CN219640446U

CN219640446U - Gas boiler

Info

Publication number: CN219640446U
Application number: CN202320052703.3U
Authority: CN
Inventors: 姜仁善
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-09-05
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a gas boiler, which comprises a boiler shell, a heat exchange pipe system, a boiler liner and a quincuncial heat absorber, wherein the boiler shell is provided with a combustion chamber, and a fire inlet and a flue which are communicated with the combustion chamber; the heat exchange pipe system is arranged in the combustion chamber and is positioned above the combustion chamber, and the heat exchange pipe system is communicated with the outside; the boiler liner is arranged in the combustion chamber, is positioned below the heat exchange tube system and is arranged adjacent to the heat exchange tube system, a closed heat exchange loop is formed in the boiler liner, and a circulating heat exchange medium is arranged in the closed heat exchange loop; the plum blossom heat absorber is arranged in the combustion chamber and positioned below the boiler liner and communicated with the closed heat exchange loop. The boiler has the advantages of simple structure and strong practicability, can effectively prevent scaling in the liner and the quincuncial heat absorber, and prolongs the service life and heat exchange efficiency of the boiler.

Description

Gas boiler

Technical Field

The utility model relates to the technical field of boilers, in particular to a gas boiler.

Background

The gas boiler comprises a gas boiled water boiler, a gas hot water boiler, a gas steam boiler and the like, wherein the gas hot water boiler is also called a gas heating boiler and a gas bathing boiler, the gas boiler is the boiler with fuel as the name meaning, and the gas boiler, the fuel oil boiler and the electric boiler are more economical, so that most people select the gas boiler as boiler equipment for steam, heating and bathing.

With the gradual increase of environmental protection consciousness, coal-fired boilers are gradually replaced, and the application of the gas-fired boilers is more and more extensive. The existing gas boiler has low heating efficiency mainly due to insufficient fuel combustion and low heat exchange efficiency, and water used in the boiler is mostly waste water, impurities exist in the water, and long-time deposition can cause blockage of a water pipe and influence on water circulation; when the boiler is used, tap water is directly introduced into the boiler, and the tap water contains calcium ions and magnesium ions, so that the heating surface of the boiler can be scaled, the heat transfer efficiency of the boiler is greatly reduced, pipes are blocked, the metal of the heating surface is overheated and damaged, such as bulges and pipe explosion, and the like, and in addition, metal corrosion can be generated, so that the service life of the boiler is reduced.

Disclosure of Invention

The utility model mainly aims to provide a gas boiler, which aims to solve the technical problems that the inside of the existing boiler is easy to scale and the heat transfer efficiency is low.

In order to achieve the above object, the present utility model provides a gas boiler, comprising:

a boiler housing having a combustion chamber, a fire inlet in communication with the combustion chamber, and a flue;

the heat exchange pipe system is arranged in the combustion chamber and is positioned above the combustion chamber, and the heat exchange pipe system is communicated with the outside;

the boiler liner is arranged in the combustion chamber, is positioned below the heat exchange tube system, is arranged adjacent to the heat exchange tube system, is internally provided with a closed heat exchange loop, and is internally provided with a circulating heat exchange medium;

the quincuncial heat absorber is arranged in the combustion chamber and is positioned below the boiler liner and communicated with the closed heat exchange loop.

In an embodiment, the plum blossom heat absorber comprises a plurality of rapid heat absorption pipes and a connecting base, wherein the connecting base is connected with the boiler liner, and the plurality of rapid heat absorption pipes are connected to the connecting base in a plum blossom shape.

In one embodiment, the rapid heat absorbing tube comprises a closed end and an open end, wherein the open end is connected with the connecting base, and the closed end extends towards the center of the combustion chamber.

In one embodiment, the quincuncial heat absorber is arranged obliquely downwards in a direction towards the center of the combustion chamber.

In an embodiment, the boiler liner further comprises an inner sleeve heat absorption water pipe, wherein the inner sleeve heat absorption water pipes are arranged in a plurality of rows and are uniformly arranged below the heat exchange pipeline, two adjacent rows of the inner sleeve heat absorption water pipes are arranged in a staggered mode, and two ends of the inner sleeve heat absorption water pipe are respectively communicated with the closed heat exchange loop.

In an embodiment, the boiler comprises a boiler shell, wherein the boiler shell is attached to the inner peripheral wall of the boiler shell, an outer shell cavity is formed in the boiler shell, and a cooling medium is arranged in the outer shell cavity and used for cooling the boiler shell.

In an embodiment, the heat exchange tube system is wound in a stacked manner along the peripheral side disc of the flue, and the boiler further comprises a water inlet tube and a water outlet tube, wherein the water inlet tube and the water outlet tube are communicated with two ends of the heat exchange tube system.

In an embodiment, the boiler comprises a water pump arranged outside the boiler housing for pumping cooling medium to the heat exchange piping.

In an embodiment, the boiler further comprises a water tank and an air pipe, the water tank is arranged at the top end of the boiler shell, an open end is arranged at the upper end of the water tank, the air pipe is arranged at the upper end face of the boiler shell, one end of the air pipe is communicated with the outer liner cavity, and the other end of the air pipe is opposite to the open end of the water tank and is used for storing cooling medium in the outer liner cavity.

In an embodiment, the heat exchange tubing comprises at least one of copper tubing, hotel, or stainless steel tubing.

The boiler comprises a boiler shell, a heat exchange pipe system, a boiler liner and a quincuncial heat absorber, wherein the boiler shell is provided with a combustion chamber, and a fire inlet and a flue which are communicated with the combustion chamber; the heat exchange pipe system is arranged in the combustion chamber and is positioned above the combustion chamber, and the heat exchange pipe system is communicated with the outside; the boiler liner is arranged in the combustion chamber, is positioned below the heat exchange tube system and is arranged adjacent to the heat exchange tube system, a closed heat exchange loop is formed in the boiler liner, and a circulating heat exchange medium is arranged in the closed heat exchange loop; the plum blossom heat absorber is arranged in the combustion chamber and positioned below the boiler liner and communicated with the closed heat exchange loop. According to the utility model, the closed heat exchange loop is formed in the boiler inner container, the closed heat exchange loop is utilized to carry out circulation heat exchange between the combustion chamber and the heat exchange tube system, the circulation heat exchange medium in the closed heat exchange loop only circulates in the boiler inner container in the operation process of the boiler, and the circulation heat exchange medium is a heat conducting medium which is fully deoxidized and softened and is not in medium exchange with the outside, so that the boiler inner container cannot be scaled, the service life of the boiler is prolonged, and meanwhile, the plum blossom heat absorber is arranged, the heat exchange area of the boiler inner container is enlarged, the heat generated by the combustion chamber is fully utilized, and the heat exchange efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a boiler according to an embodiment of the present utility model;

FIG. 2 is a top view of the boiler of FIG. 1;

FIG. 3 is a cross-sectional view at A-A in FIG. 2;

FIG. 4 is a cross-sectional view at B-B in FIG. 3;

fig. 5 is a schematic structural diagram of the quincuncial heat absorber in fig. 1.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a gas boiler.

In an embodiment of the present utility model, as shown in fig. 1 to 4, the boiler 100 includes a boiler housing 110, a heat exchange pipe 140, a boiler liner 130 and a quincuncial heat absorber 150, the boiler housing 110 having a combustion chamber 111 and a fire inlet 112 and a flue 113 communicating with the combustion chamber 111; the heat exchange pipe system 140 is arranged in the combustion chamber 111 and is positioned above the combustion chamber 111, and the heat exchange pipe system 140 is communicated with the outside; the boiler liner 130 is arranged in the combustion chamber 111, the boiler liner 130 is positioned below the heat exchange pipe system 140 and is arranged adjacent to the heat exchange pipe system 140, a closed heat exchange loop 131 is formed in the boiler liner 130, and a circulating heat exchange medium is arranged in the closed heat exchange loop 131; the quincuncial heat absorber 150 is disposed in the combustion chamber 111, and is located below the boiler liner 130 and is communicated with the closed heat exchange circuit 131. According to the utility model, the boiler liner 130 is provided, the closed heat exchange loop 131 is formed in the boiler liner 130, the closed heat exchange loop 131 is utilized to perform circulation heat exchange between the combustion chamber 111 and the heat exchange tube system 140, the circulation heat exchange medium in the closed heat exchange loop 131 only circulates in the boiler liner 130 in the operation process of the boiler 100, and is a heat conducting medium which is fully deoxidized and softened, and the heat exchange medium is not exchanged with the outside, so that the boiler liner 130 is not scaled, the service life of the boiler 100 is prolonged, and meanwhile, the plum blossom heat absorber 150 is arranged, the heat exchange area of the boiler liner 130 is enlarged, the heat generated by the combustion chamber 111 is fully utilized, and the heat exchange efficiency is improved.

Specifically, in the embodiment of the present utility model, the boiler 100 includes a boiler housing 110, where the boiler housing 110 is generally arranged in a direction cabinet, and of course, in other embodiments, the boiler housing 110 may also be arranged in a column or sphere shape, a combustion chamber 111 is disposed inside the boiler housing 110, a cavity for providing fuel combustion is disposed inside the combustion chamber 111, a plurality of fire inlets 112 may be disposed on a circumferential side of the combustion chamber 111, and the plurality of fire inlets 112 are arranged along an axis of the boiler housing 110 or circumferentially, and a flue 113 is disposed at an upper end of the boiler housing 110 for discharging smoke in the combustion chamber 111. The circulating heat exchange medium may be water, heat conducting oil, etc., and is not particularly limited herein.

The utility model is described by taking the fire inlet 112 as a gas fire inlet 112 as an example, namely, the boiler 100 is a gas boiler, and the gas boiler can be divided into a natural gas boiler, a city gas boiler, a coke oven gas boiler, a liquefied petroleum gas boiler, a biogas boiler and the like according to fuel; the boiler can be divided into KS-Q gas boiled water boiler, CLHS/CWNS gas hot water boiler (comprising gas heating boiler and gas bathing boiler), LHS/WNS gas steam boiler and the like according to functions; the gas-fired boiler can be divided into a vertical gas-fired boiler and a horizontal gas-fired boiler according to the structure; the flue gas flow can be divided into a single-return gas boiler, a three-return gas boiler and the like.

Referring to fig. 3 to 5, in an embodiment, the quincuncial heat absorber 150 includes a plurality of rapid heat absorbing pipes 151 and a connection base 152, the connection base 152 is connected to the boiler liner 130, and the plurality of rapid heat absorbing pipes 151 are quincuncially connected to the connection base 152. It can be understood that in this embodiment, the contact surface of the quincuncial heat absorber 150 in the combustion chamber 111 is enlarged by providing a plurality of rapid heat absorbing pipes 151, the heat exchange area is enlarged, the heat generated by the combustion chamber 111 is fully utilized, so that the heat exchange efficiency is improved, and the connection base 152 is used for connecting the plurality of rapid heat absorbing pipes 151 to the inner container. The number of the rapid thermal absorption tubes 151 may be set as needed, and is not particularly limited.

Specifically, the rapid thermal absorption tube 151 includes a closed end 151a and an open end 151b, the open end 151b is connected to the connection base 152, and the closed end 151a is disposed to extend toward the center of the combustion chamber 111. The quincuncial heat absorber 150 is disposed obliquely downward toward the center of the combustion chamber 111. Thus, the distance between the plum blossom heat absorber 150 and the high temperature center of the combustion chamber 111 is reduced, and the heat exchange efficiency is improved.

Referring to fig. 3 and 4, in an embodiment, the boiler liner 130 further includes an inner heat absorbing water pipe 132, the inner heat absorbing water pipes 132 are arranged in a plurality of rows and are uniformly arranged below the heat exchange tube system 140, two adjacent rows of the inner heat absorbing water pipes 132 are arranged in a staggered manner, and two ends of the inner heat absorbing water pipes 132 are respectively communicated with the closed heat exchange loop 131. The middle upper part in the combustion chamber 111 is provided with a plurality of rows of inner sleeve heat absorbing water pipes 132 which are transversely and crosswise arranged, and two ends or one end of each heat absorbing water pipe is communicated with the boiler liner 130, so that the heat exchange capacity of the boiler liner 130 is improved, and the heat energy generated by the combustion chamber 111 is fully utilized.

Referring to fig. 3 and 4, in an embodiment, the boiler outer container 120 is further included, the boiler outer container 120 is attached to an inner peripheral wall of the boiler shell 110, an outer container cavity 121 is disposed in the boiler outer container 120, and a cooling medium is disposed in the outer container cavity 121, so as to be used for cooling the boiler shell 110. It can be appreciated that by providing the boiler outer case 120 and circulating cooling the boiler housing 110 with the cooling medium, the combustion chamber 111 or the fire outlet can be burned out, and reliability and service life of the boiler 100 can be improved.

Referring to fig. 4, in an embodiment, the boiler 100 includes a water pump 180, and the water pump 180 is disposed outside the boiler housing 110 for pumping the cooling medium into the bladder cavity 121.

Referring to fig. 3, in an embodiment, the heat exchange tube system 140 is wound around the outer circumference of the flue 113, and the boiler 100 further includes a water inlet tube 160 and a water outlet tube 170, and the water inlet tube 160 and the water outlet tube 170 are connected to both ends of the heat exchange tube system 140. Specifically, the heat exchange tube system 140 is coiled around the outer periphery of the inner outlet of the flue 113, and two ends of the heat exchange tube system 140 are respectively communicated with the water inlet tube 160 and the water outlet tube 170, so as to be communicated with the outside water. The disc stack winding arrangement can improve the heat exchange efficiency between the heat exchange tube system 140 and the boiler liner 130, and improve the heat absorption.

Referring to fig. 1 to 4, in an embodiment, the boiler 100 further includes a water tank 190 and an air pipe 200, the water tank 190 is disposed at the top end of the boiler housing 110, an open end 191 is disposed at the upper end of the water tank 190, the air pipe 200 is disposed at the upper end surface of the boiler housing 110, one end of the air pipe 200 is communicated with the outer container cavity 121, and the other end is disposed opposite to the open end 191 of the water tank 190, for storing the cooling medium in the outer container cavity 121. It will be appreciated that, when the cooling medium circulates in the outer container cavity 121, air may be retained, so as to facilitate the circulation of the cooling medium into the outer container cavity 121, to prevent the pressure difference from causing negative pressure or high pressure to be generated in the outer container cavity 121, thereby providing the air pipe 200 on the upper end surface of the boiler housing 110, and simultaneously, to prevent the cooling medium overflowing from the air pipe 200 from overflowing, the other end of the air pipe 200 is disposed opposite to the open end 191 of the water tank 190, so as to recover the cooling medium overflowing from the air pipe 200, wherein the cooling medium may be water or other cooling medium, and is not limited herein.

In one embodiment, the heat exchange tubing 140 comprises at least one of copper tubing, hotel, or stainless steel tubing. It is understood that the heat exchange tubing 140 may be spirally wound from copper, stainless steel or aluminum tubing. The heat exchange capability of the heat exchange tube system 140 can be improved by utilizing the characteristic that the copper tube, the stainless steel tube or the aluminum tube conducts heat quickly.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A gas boiler (100), characterized by comprising:

a boiler housing (110), the boiler housing (110) having a combustion chamber (111), a fire inlet (112) in communication with the combustion chamber (111), and a flue (113);

the heat exchange pipe system (140) is arranged in the combustion chamber (111) and is positioned above the combustion chamber (111), and the heat exchange pipe system (140) is communicated with the outside;

the boiler liner (130) is arranged in the combustion chamber (111), the boiler liner (130) is positioned below the heat exchange tube system (140) and is arranged adjacent to the heat exchange tube system (140), a closed heat exchange loop (131) is formed in the boiler liner (130), and a circulating heat exchange medium is arranged in the closed heat exchange loop (131);

the quincuncial heat absorber (150) is arranged in the combustion chamber (111), and is positioned below the boiler liner (130) and communicated with the closed heat exchange loop (131).

2. The boiler (100) according to claim 1, wherein the quincuncial heat absorber (150) comprises a plurality of rapid heat absorbing pipes (151) and a connecting base (152), the connecting base (152) is connected with the boiler liner (130), and the plurality of rapid heat absorbing pipes (151) are connected to the connecting base (152) in a quincuncial shape.

3. The boiler (100) according to claim 2, wherein the shock absorbing tube (151) comprises a closed end (151 a) and an open end (151 b), the open end (151 b) being connected to the connection base (152), the closed end (151 a) being arranged extending towards the centre of the combustion chamber (111).

4. A boiler (100) according to claim 3, wherein the quincuncial heat absorber (150) is arranged obliquely downwards in a direction towards the centre of the combustion chamber (111).

5. The boiler (100) according to claim 4, wherein the boiler liner (130) further comprises an inner sleeve heat absorbing water pipe (132), the inner sleeve heat absorbing water pipes (132) are arranged in a plurality of rows and are uniformly arranged below the heat exchange tube system (140), two adjacent rows of the inner sleeve heat absorbing water pipes (132) are arranged in a staggered manner, and two ends of the inner sleeve heat absorbing water pipes (132) are respectively communicated with the closed heat exchange loop (131).

6. The boiler (100) according to claim 1, further comprising a boiler outer liner (120), wherein the boiler outer liner (120) is attached to an inner peripheral wall of the boiler housing (110), an outer liner cavity (121) is provided in the boiler outer liner (120), and a cooling medium is provided in the outer liner cavity (121) for cooling the boiler housing (110).

7. The boiler (100) according to any of the claims 1-6, wherein the heat exchanging tubing (140) is wound around the periphery of the flue (113), the boiler (100) further comprising a water inlet pipe (160) and a water outlet pipe (170), the water inlet pipe (160) and the water outlet pipe (170) being in communication with both ends of the heat exchanging tubing (140).

8. The boiler (100) according to claim 7, wherein the boiler (100) comprises a water pump (180), the water pump (180) being arranged outside the boiler housing (110) for pumping cooling medium to the heat exchange piping (140).

9. The boiler (100) according to claim 6, wherein the boiler (100) further comprises a water tank (190) and an air pipe (200), the water tank (190) is disposed at the top end of the boiler housing (110), the upper end of the water tank (190) is provided with an open end (191), the air pipe (200) is disposed at the upper end surface of the boiler housing (110), one end of the air pipe (200) is communicated with the outer container cavity (121), and the other end is disposed opposite to the open end (191) of the water tank (190) for storing the cooling medium in the outer container cavity (121).

10. The boiler (100) of claim 1, wherein the heat exchange tubing (140) comprises at least one of copper tubing, hotel, or stainless steel tubing.