CN211316524U

CN211316524U - Gas water heater

Info

Publication number: CN211316524U
Application number: CN201921800242.3U
Authority: CN
Inventors: 张淇
Original assignee: Tianjin Jiujiuhe Energy Technology Co ltd
Current assignee: Tianjin Jiujiuhe Energy Technology Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-08-21
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a gas hot water system, which comprises a housin, the inside of casing is provided with the cylindricality cover, the bottom surface fixedly connected with heating kitchen of cylindricality cover, be provided with the heat conduction piece in the cylindricality cover, wear to be equipped with the raceway that is S-shaped in the heat conduction piece, one side of casing is provided with and has the outlet pipe with the raceway connection, the top of cylindricality cover is fixed with the gas collecting channel, be provided with the exhaust fan in the gas collecting channel, the inside upper end fixedly connected with preheating cabinet of casing, it preheats the chamber to have seted up in the preheating cabinet, the outlet flue with preheating the chamber intercommunication is seted up to one side of gas collecting channel. The utility model relates to the technical field of household appliances, this gas hot water system can realize carrying out thermal exchange with the running water of the heat in the flue gas and getting into, preheats the running water, and then reduces the waste of heat energy, can reduce the gas volume that follow-up heating consumes to the running water again.

Description

Gas water heater

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a gas hot water system.

Background

The water heater is a device which can increase the temperature of cold water to hot water in a certain time, and comprises an electric water heater, a gas water heater, a solar water heater, an air energy water heater and the like.

The gas water heater needs to discharge the flue gas generated in the gas combustion process in the using process, however, the discharged flue gas contains a large amount of heat, the direct discharge can cause waste of heat energy, and the national policy of energy conservation and emission reduction is not met.

To this end, we propose a gas-fired water heating apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a gas water heating device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a gas water heater comprises a shell, wherein a cylindrical cover is arranged inside the shell, a heating stove is fixedly connected to the bottom surface of the cylindrical cover, a heat conducting block is arranged inside the cylindrical cover, an S-shaped water delivery pipe is arranged in the heat conducting block in a penetrating mode, a water outlet pipe connected with the water delivery pipe is arranged on one side of the shell, a gas collecting cover is fixed above the cylindrical cover, a suction fan is arranged in the gas collecting cover, a preheating box is fixedly connected to the upper end inside the shell, a preheating cavity is formed in the preheating box, a smoke outlet communicated with the preheating cavity is formed in one side of the gas collecting cover, a smoke outlet pipe is fixedly connected to the upper end of the shell, the lower end of the smoke outlet pipe is communicated with the inside of the preheating box, fixing plates which are symmetrically arranged are fixedly connected to two side walls of the preheating cavity, flow guide pipes which are transversely arranged are fixedly connected to, the two guide pipes are communicated with each other through the flow dividing pipe, a water inlet pipe communicated with the guide pipes is arranged at the upper end of one side of the shell, a conveying pipe is arranged in the shell, one end of the conveying pipe is communicated with the guide pipes close to the gas collecting hood, and the other end of the conveying pipe is connected with the water inlet end of the water conveying pipe.

Furthermore, the heat conducting block is made of any one of copper, aluminum or copper-aluminum alloy.

Further, the inner diameter ratio between the shunt pipe and the flow guide pipe is 4: 1.

furthermore, a heat insulation layer is arranged in the cylindrical cover, and heat insulation cotton is filled in the heat insulation layer.

Furthermore, the shunt pipe is made of any one of copper, aluminum or copper-aluminum alloy.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this gas hot water system, through setting up the preheating cabinet, can carry out the heat exchange to the water that gets into after the flue gas that the gas burning produced gets into the preheating cabinet, realizes preheating, and then reduces the energy consumption for the heating of follow-up water, realizes the cyclic utilization of the energy.

2. This gas hot water system through set up shunt tubes and honeycomb duct in preheating the incasement, the shunt tubes shunts the water of honeycomb duct, improves water and the effect of heat exchange in the flue gas, and then improves the preheating effect of water.

Drawings

Fig. 1 is an overall structure diagram of a gas water heater according to the present invention;

fig. 2 is a schematic top view of the connection between the shunt tube and the flow guide tube of the gas water heater of the present invention.

In the figure: the device comprises a shell 1, a cylindrical cover 2, a preheating box 3, a heating stove 4, a water outlet pipe 5, a water delivery pipe 6, a heat conduction block 7, a gas collection cover 8, a fan 9, a smoke outlet 10, a fixing plate 11, a smoke outlet pipe 12, a preheating cavity 13, a water inlet pipe 14, a flow division pipe 15, a delivery pipe 16 and a flow guide pipe 17.

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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate orientations or positional relationships based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Referring to fig. 1-2, a gas water heater, which comprises a housing 1, a cylindrical cover 2 is arranged inside the housing 1, a heat insulation layer is arranged in the cylindrical cover 2, heat insulation cotton is filled in the heat insulation layer, the heat insulation layer can insulate heat of the temperature generated in a heating stove 4, so as to prevent heat from being transmitted to the housing 1 and causing injury to users, the heating stove 4 is fixedly connected to the bottom surface of the cylindrical cover 2, a heat conduction block 7 is arranged in the cylindrical cover 2, the heat conduction block 7 is made of any one of copper, aluminum or copper-aluminum alloy, so that the heat conduction block 7 has better heat conductivity, the heat generated by the heating stove 4 can be absorbed and transmitted to a water pipe 5 to be changed with the tap water inside, an S-shaped water pipe 6 is arranged in the heat conduction block 7 in a penetrating way, a water outlet pipe 5 is connected with the water pipe 6 on one side of the housing 1, and a gas collection cover 8 is, be provided with extraction fan 9 in the gas collecting channel 8, the inside upper end fixedly connected with preheating cabinet 3 of casing 1, preheating chamber 13 has been seted up in preheating cabinet 3, the outlet flue 10 with preheating chamber 13 intercommunication is seted up to one side of gas collecting channel 8, the upper end fixedly connected with outlet flue 12 of casing 1, the lower extreme and the inside intercommunication of preheating cabinet 3 of outlet flue 12, preheat the fixed plate 11 that 13 both sides wall fixedly connected with symmetry set up in chamber, the horizontal honeycomb duct 17 that sets up of fixed plate 11's fixed surface is connected with, be provided with shunt tubes 15 between two honeycomb ducts 17, shunt tubes 15 adopts copper, arbitrary one kind material of aluminium or copper-aluminum alloy is made, improve shunt tubes 15's heat conduction effect, avoid carrying out thermal exchange with the heat in the flue gas, the internal diameter ratio between shunt tubes 15 and the honeycomb duct 17 is 4: 1, shunt tubes 15 set up the water that can divide the reposition of redundant personnel in the honeycomb duct 17 and refine, make thermal exchange more abundant in water and the flue gas, the effect is preheated in the improvement, communicate through shunt tubes 15 between two honeycomb ducts 17, one side upper end of casing 1 is provided with the inlet tube 14 with honeycomb duct 17 intercommunication, be provided with conveyer pipe 16 in the casing 1, conveyer pipe 16's one end and the honeycomb duct 17 intercommunication near gas collecting channel 8, conveyer pipe 16's the other end and the end of intaking of raceway 6 are connected.

The utility model discloses, when needs heat water, at first open the water valve and make the water in the time of coming get into honeycomb duct 17 through inlet tube 14, honeycomb duct 17 refines water and carries to conveyer pipe 16 through shunt tubes 15 again, the water in the conveyer pipe 16 gets into the raceway again, heating stove 4 burning heats heat conduction block 7 this moment, heat transfer to the running water in raceway 6 after heat conduction block 7 heats, the running water that realizes the energy exchange discharges through outlet pipe 5 again, can obtain the hot water after heating, the flue gas that heating stove 4 produced in the heating process gets into gas collecting channel 8 under the effect of suction fan 9, and get into preheating cabinet 3 through outlet 10, flue gas with heat gets into preheating chamber 13 and carries out the heat exchange with the running water in shunt tubes 15 after discharging from outlet 12, this kind of design, can realize carrying out the heat exchange with the running water that gets into with the heat in the flue gas, the tap water is preheated, so that the waste of heat energy is reduced, and the subsequent gas quantity consumed by the tap water heating can be reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A gas water heating device comprises a shell (1) and is characterized in that a cylindrical cover (2) is arranged inside the shell (1), a heating stove (4) is fixedly connected to the bottom surface of the cylindrical cover (2), a heat conducting block (7) is arranged in the cylindrical cover (2), an S-shaped water conveying pipe (6) penetrates through the heat conducting block (7), a water outlet pipe (5) is connected with the water conveying pipe (6) and arranged on one side of the shell (1), a gas collecting cover (8) is fixed above the cylindrical cover (2), a smoke exhaust fan (9) is arranged in the gas collecting cover (8), a preheating box (3) is fixedly connected to the upper end inside the shell (1), a preheating cavity (13) is formed in the preheating box (3), a smoke outlet (10) communicated with the preheating cavity (13) is formed in one side of the gas collecting cover (8), a smoke outlet (12) is fixedly connected to the upper end of the shell (1), the lower extreme and the preheating cabinet (3) of play tobacco pipe (12) are inside to be linked together, preheat fixed plate (11) that chamber (13) both sides wall fixedly connected with symmetry set up, the fixed surface of fixed plate (11) is connected with honeycomb duct (17) transversely set up, two be provided with shunt tubes (15) between honeycomb duct (17), communicate through shunt tubes (15) between two honeycomb ducts (17), one side upper end of casing (1) is provided with inlet tube (14) with honeycomb duct (17) intercommunication, be provided with conveyer pipe (16) in casing (1), the one end of conveyer pipe (16) and honeycomb duct (17) intercommunication that are close to gas collecting channel (8), the other end and the end of intaking of raceway (6) of conveyer pipe (16) are connected.

2. A gas-fired water heating apparatus as claimed in claim 1, wherein said heat conducting block (7) is made of any one of copper, aluminum or copper aluminum alloy.

3. A gas-fired water heating apparatus according to claim 1, characterized in that the ratio of the internal diameters of the bypass duct (15) and the draft duct (17) is 4: 1.

4. the gas-fired water heating device according to claim 1, characterized in that a thermal insulation layer is arranged in the cylindrical cover (2), and the thermal insulation layer is filled with thermal insulation cotton.

5. A gas-fired water heating apparatus as claimed in claim 1, wherein said shunt tube (15) is made of any one of copper, aluminum or copper aluminum alloy.