CN210921828U

CN210921828U - Gas water heater with preheat function

Info

Publication number: CN210921828U
Application number: CN201920975532.5U
Authority: CN
Inventors: 陈伟招
Original assignee: Shanghai Yanmai Industrial Co ltd
Current assignee: Shanghai Yanmai Industrial Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-07-03
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a gas heater with preheat function belongs to gas heater technical field. The utility model provides a gas heater with preheat function, including setting up in the heat transfer post in the gas heater outside, the utility model discloses a be central symmetry on the heat transfer post and be provided with two heat transfer subassemblies, utilize the mode of cold water and waste gas convection to increase heat exchange rate, simultaneously, still utilize the special construction of heat transfer panel, make cold water form cross flow when passing through the through groove of two heat transfer panel inner, reduced the velocity of flow of cold water, and utilize the recess on the heat transfer panel, make the cold water down the in-process of circulating form the cross flow by the recess restriction, thereby make cold water be heated evenly; in addition, still set the double-deck baffling pipeline of many bends to through the honeycomb duct with heat transfer panel for contain a large amount of thermal waste gas can be by make full use of, prolong its circulation distance in the pipeline, increase heat exchange efficiency.

Description

Gas water heater with preheat function

Technical Field

The utility model relates to a gas heater technical field, more specifically say, relate to a gas heater with preheat function.

Background

The gas water heater is also called as a gas water heater, and refers to a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water. Chinese patent that patent number is CN201820635508.2 among the prior art provides a gas heater intelligence preheating device, the device is through adding the water tank, first baffle, sleeve and paddle, cold water gets into from the inlet tube, because the inlet tube winding is on the heating cabinet, give the water heating in the cold water pipe with the heat that the heating cabinet dispels, consequently not only can preheat for cold water, simultaneously can also give fixed incasement cooling, meanwhile, cold water gets into the water tank, paddle can be strikeed to rapid rivers, thereby can drive the sleeve and rotate, thereby can make water be mixxed, make cold water can be by the hot even heating that the chimney dispels. Although beneficial, the following problems still exist: the device mainly improves the heat exchange rate of cold water by arranging the heating box which is convenient for heat exchange outside the chimney and utilizing the rotation of the sleeve, but waste gas containing a large amount of heat in the chimney is still discharged without being effectively utilized, so that the conversion of heat energy is reduced, and the device for effectively improving the heat energy conversion rate of the waste gas is particularly important.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a gas heater with preheat function to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

The utility model provides a gas heater with preheat function, is including setting up in the heat transfer post in the gas heater outside, the heat transfer post is hollow cylinder structure, both ends communicate respectively about the heat transfer post has inlet channel and outlet conduit, it is central symmetry on the heat transfer post and is provided with two heat exchange assemblies, is located the heat exchange assembly outside intercommunication of heat transfer post upper end has the blast pipe, is located the heat exchange assembly outside intercommunication of heat transfer post lower extreme has the intake pipe, and two heat exchange assemblies passes through the fixed intercommunication of connecting pipe.

Preferably, the heat exchange assembly comprises a mounting seat integrally formed with the outer wall of the heat exchange column, a heat exchange panel is tightly welded on the inner side of the mounting seat, the heat exchange panel is of a disc body structure matched with the inner ring of the heat exchange column in a radius mode, a through groove is formed in the inner end of the heat exchange panel, the through groove is of an arc-shaped structure, and a plurality of grooves are further formed in the upper surface of the heat exchange panel in a linear equidistant mode.

Preferably, the inside honeycomb duct that is equipped with of inlaying of heat transfer panel, the honeycomb duct includes the connecting pipe, it passes heat transfer panel inner wall and mount pad upper end inside extension to the outside in proper order to go up the connecting pipe outer end, it is provided with the pipeline main part to go up connecting pipe inner, pipeline main part one end and the inner fixed intercommunication of last connecting pipe.

Preferably, the pipeline main part is the double-deck baffling pipeline of many bends, the pipeline main part other end intercommunication has lower connecting pipe, the connecting pipe outer end passes heat transfer panel inner wall and mount pad upper end inside extension to the outside in proper order down.

Preferably, the outer end of an upper connecting pipe positioned at the upper end of the heat exchange column is fixedly communicated with the end part of the exhaust pipe, the outer end of a lower connecting pipe positioned at the lower end of the heat exchange column is fixedly communicated with the end part of the air inlet pipe, and the upper connecting pipe positioned at the lower end of the heat exchange column is fixedly communicated with the lower connecting pipe positioned at the upper end of the heat exchange column through a connecting pipe.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a be central symmetry on the heat transfer post and be provided with two heat transfer subassemblies, utilize cold water and the mode of waste gas convection to increase heat exchange rate, simultaneously, still utilize the special construction of heat transfer panel, make cold water form the cross flow when passing through the through groove of two heat transfer panel inner, reduced the velocity of flow of cold water, and utilize the recess on the heat transfer panel, make the cold water form the cross flow by the recess restriction in the course of circulating downwards, thus make cold water be heated evenly; in addition, still set the double-deck baffling pipeline of many bends to through the honeycomb duct with heat transfer panel for contain a large amount of thermal waste gas can be by make full use of, prolong its circulation distance in the pipeline, increase heat exchange efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the upper end of the overall structure of the present invention;

FIG. 3 is a schematic structural view of a heat exchange assembly of the present invention;

fig. 4 is the utility model discloses well heat exchange assemblies's structure split sketch map.

The reference numbers in the figures illustrate: 1. a heat exchange column; 2. a water inlet pipe; 3. a water outlet pipeline; 4. a heat exchange assembly; 401. a heat exchange surface; 402. a through groove; 403. a groove; 404. a flow guide pipe; 405. an upper connecting pipe; 406. a pipe body; 407. a lower connecting pipe; 408. a mounting seat; 5. an exhaust pipe; 6. an air inlet pipe; 7. and (4) connecting the pipes.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a gas heater with preheat function, including setting up in the heat transfer post 1 in the gas heater outside, heat transfer post 1 is hollow cylinder structure, both ends communicate respectively about heat transfer post 1 has inlet channel 2 and outlet conduit 3, it is centrosymmetric to be provided with two heat exchange assemblies 4 on the heat transfer post 1, the 4 outside intercommunications of heat exchange assembly who is located the 1 upper end of heat transfer post have blast pipe 5, the 4 outside intercommunications of heat exchange assembly who is located the 1 lower extreme of heat transfer post have intake pipe 6, and two heat exchange assemblies 4 are through the fixed intercommunication of connecting pipe 7.

The heat exchange assembly 4 comprises a mounting seat 408 integrally formed with the outer wall of the heat exchange column 1, a heat exchange panel 401 is tightly welded on the inner side of the mounting seat 408, the heat exchange panel 401 is of a disc body structure matched with the inner ring of the heat exchange column 1 in radius, a through groove 402 is formed in the inner end of the heat exchange panel 401, the through groove 402 is of an arc-shaped structure, and a plurality of grooves 403 are further formed in the upper surface of the heat exchange panel 401 at equal intervals linearly.

The honeycomb duct 404 is embedded in the heat exchange panel 401, the honeycomb duct 404 comprises an upper connecting pipe 405, the outer end of the upper connecting pipe 405 sequentially penetrates through the inner wall of the heat exchange panel 401 and the upper end of the mounting seat 408 and extends to the outside, a pipeline body 406 is arranged at the inner end of the upper connecting pipe 405, and one end of the pipeline body 406 is fixedly communicated with the inner end of the upper connecting pipe 405.

The duct main body 406 is a multi-turn double-layer baffling duct, the other end of the duct main body 406 is communicated with a lower connecting pipe 407, and the outer end of the lower connecting pipe 407 sequentially penetrates through the inner wall of the heat exchange panel 401 and the inside of the upper end of the mounting seat 408 to extend to the outside.

The outer end of an upper connecting pipe 405 positioned at the upper end of the heat exchange column 1 is fixedly communicated with the end part of the exhaust pipe 5, the outer end of a lower connecting pipe 407 positioned at the lower end of the heat exchange column 1 is fixedly communicated with the end part of the air inlet pipe 6, and the upper connecting pipe 405 positioned at the lower end of the heat exchange column 1 is fixedly communicated with the lower connecting pipe 407 positioned at the upper end of the heat exchange column 1 through a connecting pipe 7.

The utility model relates to a gas heater with preheat function, because the waste gas that contains a large amount of heat energy among the prior art in the chimney still can not effectively be utilized just is discharged, make the conversion efficiency of heat energy lower, therefore we are provided with two heat exchange assemblies 4 through being central symmetry on heat transfer post 1, the mode that utilizes cold water and waste gas convection increases heat exchange rate, simultaneously, we still utilize the special construction of heat transfer panel 401, make cold water form the cross flow when passing through the through groove 402 of two heat transfer panels 401 inner, the velocity of flow of cold water has been reduced, and utilize recess 403 on the heat transfer panel 401, make the cold water form the cross flow by recess 403 restriction in the downward process of circulating, thereby make cold water be heated evenly; in addition, the guide pipe 404 of the heat exchange panel 401 is set to be a multi-turn double-layer baffling pipeline, so that waste gas containing a large amount of heat can be sufficiently utilized, the circulation distance of the waste gas in the pipeline is prolonged, and the heat exchange efficiency is increased.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model. Furthermore, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. Several of the elements recited in the product claims may also be implemented by one element in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.

Claims

1. The utility model provides a gas heater with preheat function, is including setting up in heat exchange post (1) in the gas heater outside, its characterized in that: the heat exchange column (1) is of a hollow cylindrical structure, the upper end and the lower end of the heat exchange column (1) are respectively communicated with a water inlet pipeline (2) and a water outlet pipeline (3), the heat exchange column (1) is provided with two heat exchange assemblies (4) in central symmetry, the outer side of the heat exchange assembly (4) positioned at the upper end of the heat exchange column (1) is communicated with an exhaust pipe (5), the outer side of the heat exchange assembly (4) positioned at the lower end of the heat exchange column (1) is communicated with an air inlet pipe (6), the two heat exchange assemblies (4) are fixedly communicated through a connecting pipe (7), each heat exchange assembly (4) comprises a mounting seat (408) integrally formed with the outer wall of the heat exchange column (1), a heat exchange panel (401) is tightly welded on the inner side of the mounting seat (408), the heat exchange panel (401) is of a disc body structure matched with the radius of the inner ring of the heat exchange column (1), and a through groove (, the through groove (402) is of an arc-shaped structure, the upper surface of the heat exchange panel (401) is also provided with a plurality of grooves (403) at equal intervals in a linear manner, a guide pipe (404) is embedded in the heat exchange panel (401), the guide pipe (404) comprises an upper connecting pipe (405), the outer end of the upper connecting pipe (405) sequentially passes through the inner wall of the heat exchange panel (401) and the inner part of the upper end of the mounting seat (408) and extends to the outside, the inner end of the upper connecting pipe (405) is provided with a pipeline main body (406), one end of the pipeline main body (406) is fixedly communicated with the inner end of the upper connecting pipe (405), the pipeline main body (406) is a multi-bend double-layer baffling pipeline, the other end of the pipeline main body (406) is communicated with a lower connecting pipe (407), the outer end of the lower connecting pipe (407) sequentially penetrates through the inner wall of the heat exchange panel (401) and the inner part of the upper end of the mounting seat (408) and extends to the outside.

2. The gas water heater with preheating function according to claim 1, characterized in that: the heat exchange column is characterized in that the outer end of an upper connecting pipe (405) at the upper end of the heat exchange column (1) is fixedly communicated with the end of an exhaust pipe (5), the outer end of a lower connecting pipe (407) at the lower end of the heat exchange column (1) is fixedly communicated with the end of an air inlet pipe (6), and the upper connecting pipe (405) at the lower end of the heat exchange column (1) is fixedly communicated with a lower connecting pipe (407) at the upper end of the heat exchange column (1) through a connecting pipe (7).