Energy-saving and efficiency-improving heat pipe type gas-fired boiler

By installing a flue gas duct in a heat pipe gas boiler, the high-temperature flue gas is used to preheat the water, solving the problem of waste heat from the exhaust gas and achieving more efficient water heating and energy saving.

CN223726577UActive Publication Date: 2025-12-26LUOYANG XINAO ENERGY DEV CO LTD
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Patent Information

Application Number
CN202423282194.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing heat pipe gas boilers directly discharge exhaust gas after combustion, resulting in heat waste and failure to effectively utilize the heat in the exhaust gas.

Method used

An energy-saving and efficiency-enhancing heat pipe gas boiler was designed. By setting a flue between the combustion chamber and the insulation chamber, the high-temperature flue gas is used to preheat the water, reducing heat loss and improving heating efficiency.

Benefits of technology

It effectively utilizes the heat from the exhaust gas after combustion to preheat the water, thereby increasing the heating speed, reducing energy waste, and improving the energy-saving effect of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gas-fired boilers, in particular to an energy-saving and efficiency-improving heat pipe type gas-fired boiler, which solves the problem of heat waste caused by the fact that waste gas generated after gas combustion is finished is directly discharged out of the boiler, and comprises a shell, a heat preservation chamber and a combustion chamber, the shell comprises a first end shell, a central shell and a second end shell, the central shell is fixed between the first end shell and the second end shell, an air outlet pipe penetrates through the side face of the first end shell, a water inlet pipe penetrates through the side face of the central shell, a first inner plate is fixed in the second end shell, second smoke guide pipes are fixed to the side face of the first inner plate in an arc array mode, and the second smoke guide pipes abut against the side face of the first end shell. According to the utility model, high-temperature flue gas discharged after flames are sprayed out by the combustor is reasonably utilized, and water is preheated by utilizing heat of the high-temperature flue gas, so that the water can be quickly heated by the combustion chamber, and the heat energy waste of the high-temperature flue gas is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gas boiler technical field, concretely relates to a kind of energy-saving and efficiency type heat pipe type gas boiler. BACKGROUND

[0002] Gas boiler includes gas boiling water boiler, gas hot water boiler, gas steam boiler etc., wherein gas hot water boiler is also called gas heating boiler and gas bath boiler, gas boiler is as its name implies refers to the boiler of fuel gas, gas boiler and fuel oil boiler, electric boiler are compared most economically, so most people have chosen gas boiler as steam, heating, bath boiler equipment;

[0003] Heat pipe type gas boiler is a kind of gas boiler, it is a kind of heat pipe technology is used for heat transfer gas boiler, with high efficiency, energy saving, simple structure, low manufacturing cost and installation and use convenient etc., its basic structure includes container, heat pipe with container common bottom, burner, combustion chamber, heat insulation layer, controller and support;

[0004] But existing heat pipe type gas boiler has some defects, for example:

[0005] The exhaust gas produced after gas combustion is directly discharged from the boiler, and there is still heat in this part of exhaust gas, and direct discharge will cause heat waste. INVENTION CONTENTS

[0006] In view of the above situation, in order to overcome the defects of prior art, the utility model provides a kind of energy-saving and efficiency type heat pipe type gas boiler, to solve the problems in the above.

[0007] In order to realize the above purpose, the technical scheme that the utility model takes is:

[0008] A kind of energy-saving and efficiency type heat pipe type gas boiler, including shell, heat preservation room and combustion chamber;

[0009] Shell: the shell includes first end shell, center shell and second end shell, the center shell is fixed between first end shell and second end shell, the side of first end shell is passed through with gas outlet pipe, the side of center shell is passed through with water inlet pipe, first inner plate is fixed in second end shell, the side of first inner plate is fixed with second smoke pipe with arc array, the side of second smoke pipe is in contact with first end shell, the inside of second smoke pipe is communicated with first end shell and second end shell;

[0010] Heat preservation room: one end of the heat preservation room is fixed in first end shell, the other end of the heat preservation room is located in center shell, gap exists between heat preservation room and first inner plate, heat preservation room is located in the middle of second smoke pipe with arc array, water outlet pipe is passed through in the side of heat preservation room, the other end of water outlet pipe is passed through center shell.

[0011] The combustion chamber is fixed at one end of the first end shell, the combustion chamber and the first end shell are penetrated by the burner, the combustion chamber is located in the heat preservation chamber, and the first smoke guide pipe in a circular array is arranged between the combustion chamber and the first inner plate and communicates the combustion chamber with the interior of the second end shell.

[0012] According to the technical scheme, the flame discharged by the burner is combusted in the combustion chamber, water between the combustion chamber and the heat preservation chamber is heated, high-temperature flue gas enters the first smoke guide pipe, the first smoke guide pipe preheats water between the heat preservation chamber and the first inner plate, and then the heating speed of water between the combustion chamber and the heat preservation chamber is accelerated, flue gas flows to the second smoke guide pipe after passing through the second end shell, the second smoke guide pipe preheats water between the center shell and the heat preservation chamber, and preheated water is arranged between the external environment and the heat preservation chamber, so that the temperature difference is reduced, the heat dissipation speed of water in the heat preservation chamber is reduced, and then the heating speed of water between the combustion chamber and the heat preservation chamber is ensured.

[0013] Preferably, the water inlet pipe is arranged at one end of the center shell away from the second end shell.

[0014] According to the technical scheme, the flowing distance of the preheated water is longer, the contact time between the preheated water and the second smoke guide pipe is longer, and the heat in the second smoke guide pipe is used to the maximum extent.

[0015] Preferably, the heat preservation chamber comprises a first inner shell, a first inner recess and a third inner shell, the first inner recess is fixed between the first inner shell and the third inner shell, the middle end of the first inner recess is recessed towards the middle, the other end of the third inner shell is fixed in the end of the first end shell, and a gap is formed between the other end of the first inner shell and the first inner plate.

[0016] Preferably, the combustion chamber comprises a second inner plate, a second inner shell, a second inner recess and a fourth inner shell, the second inner recess is fixed between the second inner shell and the fourth inner shell, the middle end of the second inner recess is recessed towards the middle, the second inner recess is located in the first inner recess, the other end of the fourth inner shell is fixed in the end of the first end shell, the burner is fixed between the fourth inner shell and the first end shell, the second inner plate is movably arranged in the other end of the second inner shell, and the end of the first smoke guide pipe is fixed between the second inner plate and the second inner shell by screws, and the other end of the first smoke guide pipe abuts against the side surface of the first inner plate.

[0017] According to the technical scheme, the end of the first smoke guide pipe is fixed between the second inner plate and the second inner shell by screws, the second inner plate can be disassembled after the screws are disassembled, and the inner wall of the second inner shell is conveniently cleaned.

[0018] Preferably, the gap between the third inner shell and the fourth inner shell is larger than the gap between the first inner shell and the second inner shell.

[0019] By the above technical solution, more water is contained between the third inner shell and the fourth inner shell, that is, the content of water directly heated by the combustion chamber is more, and the content of preheated water is less.

[0020] Preferably, the end of the second end shell is fixed to the end of the center shell by screw connection.

[0021] By the above technical solution, the second end shell can be detached, and the second smoke guide pipe can also be detached.

[0022] The beneficial effects of the utility model are:

[0023] In summary, the device can use the flame discharged by the burner to burn in the combustion chamber, heat the water between the combustion chamber and the heat preservation chamber, and make the high-temperature flue gas enter the first smoke guide pipe. The first smoke guide pipe preheats the water between the heat preservation chamber and the first inner plate, thereby accelerating the heating speed of the water between the combustion chamber and the heat preservation chamber. After the flue gas flows through the second end shell, it flows to the second smoke guide pipe, which preheats the water between the center shell and the heat preservation chamber. The preheated water between the external environment and the heat preservation chamber is isolated, that is, the temperature difference is reduced, which can reduce the speed of heat dissipation of the water in the heat preservation chamber, thereby ensuring the heating speed of the water between the combustion chamber and the heat preservation chamber.

[0024] In summary, the device reasonably utilizes the high-temperature flue gas discharged after the burner sprays the flame, preheats the water using the heat of the high-temperature flue gas, so as to quickly heat the water in the combustion chamber, and reduces the waste of heat energy of the high-temperature flue gas. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a perspective view of the utility model.

[0026] Figure 2 It is a top view of the utility model.

[0027] Figure 3 It is Figure 2 A-A cross-sectional structure schematic view.

[0028] Figure 4 It is a side view of the utility model.

[0029] Figure 5 It is Figure 4 B-B cross-sectional structure schematic view.

[0030] In the figure: 1, burner; 2, air outlet pipe; 3, water inlet pipe; 4, outer shell; 41, first end shell; 42, center shell; 43, second end shell; 5, first inner plate; 6, first smoke guide pipe; 7, first inner shell; 8, first inner recess; 9, second inner shell; 10, second smoke guide pipe; 11, second inner recess; 12, water outlet pipe; 13, third inner shell; 14, fourth inner shell; 15, second inner plate. DETAILED DESCRIPTION

[0031] The utility model will be described below with reference to the accompanying drawings. Figures 1 to 5 The utility model is described in detail. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the utility model, and are not intended to limit the protection scope of the utility model.

[0032] As shown in the accompanying drawings Figure 1 - the accompanying drawings Figure 5 As shown in the accompanying drawings, an energy-saving and efficiency-increasing hot-tube type gas boiler comprises an outer shell 4, a heat preservation chamber and a combustion chamber.

[0033] The outer shell 4 comprises a first end shell 41, a center shell 42 and a second end shell 42. The center shell 42 is fixed between the first end shell 41 and the second end shell 43. The end of the second end shell 43 is fixed to the end of the center shell 42 by screw connection, so that the second end shell 43 can be detached. The inside of the first end shell 41 is closed to form an inner cavity. The air outlet pipe 2 penetrates through the side of the first end shell 41. The water inlet pipe 3 penetrates through the side of the center shell 42, and is installed at the end of the center shell 42 away from the second end shell 43. The first inner plate 5 is fixed in the second end shell 43, so that the inside of the second end shell 43 is closed to form an inner cavity. The second smoke guide pipe 10 is fixed in an arc array on the side of the first inner plate 5. The second smoke guide pipe 10 abuts against the side of the first end shell 41. The first inner plate 5 and the side of the first end shell 41 are both provided with holes, and the second smoke guide pipe 10 communicates with the holes of the first inner plate and the first end shell 41, so that the second smoke guide pipe 10 communicates with the inside of the first end shell 41 and the second end shell 43.

[0034] The heat preservation chamber is fixed at one end in the first end shell 41, and at the other end in the center shell 42. There is a gap between the heat preservation chamber and the first inner plate 5 for water flow. The heat preservation chamber is located in the middle of the arc array of the second smoke guide pipe 10. The water outlet pipe 12 penetrates through the side of the heat preservation chamber, and the other end of the water outlet pipe 12 penetrates out of the center shell 42.

[0035] The combustion chamber is fixed at one end in the inside of the first end shell 41. The burner 1 penetrates through between the combustion chamber and the first end shell 41. The combustion chamber is located in the heat preservation chamber. There are the first smoke guide pipe 6 in a circular array between the combustion chamber and the first inner plate 5. The first smoke guide pipe 6 communicates with the inside of the combustion chamber and the second end shell 43.

[0036] In the embodiment, the heat preservation chamber comprises the first inner shell 7, the first inner recess 8 and the third inner shell 13, the first inner recess 8 is fixed between the first inner shell 7 and the third inner shell 13, the middle end of the first inner recess 8 is recessed to the middle, the other end of the third inner shell 13 is fixed in the end of the first end shell 41, and the other end of the first inner shell 7 is spaced from the first inner plate 5.

[0037] In the embodiment, the combustion chamber comprises the second inner plate 15, the second inner shell 9, the second inner recess 11 and the fourth inner shell 14, the second inner recess 11 is fixed between the second inner shell 9 and the fourth inner shell 14, the middle end of the second inner recess 11 is recessed to the middle, the second inner recess 11 is located in the first inner recess 8, the other end of the fourth inner shell 14 is fixed in the end of the first end shell 41, the burner 1 is fixed between the fourth inner shell 14 and the first end shell 41, the other end of the second inner shell 9 movably penetrates the second inner plate 15, the end of the first smoke guide pipe 6 is fixed between the second inner plate 15 and the second inner shell 9 by the screw, and the other end of the first smoke guide pipe 6 abuts against the side of the first inner plate 5.

[0038] The first inner recess 8 and the second inner recess 11 are arranged to separate the water flow between the third inner shell 13 and the fourth inner shell 14 from the water flow between the first inner shell 7 and the second inner shell 9, reduce the heat dissipation speed of the water flow between the third inner shell 13 and the fourth inner shell 14 to the water flow between the first inner shell 7 and the second inner shell 9, and ensure that the water between the third inner shell 13 and the fourth inner shell 14 is heated as soon as possible and discharged from the water outlet pipe 12.

[0039] The gap between the third inner shell 13 and the fourth inner shell 14 is greater than the gap between the first inner shell 7 and the second inner shell 9.

[0040] The working principle of the device is as follows:

[0041] After the burner 1 sprays the flame, the flue gas passes through the fourth inner shell 14, the second inner recess 11, the second inner shell 9, the first smoke guide pipe 6, the second end shell 43, the second smoke guide pipe 10, the first end shell 41 and the gas outlet pipe 2 in sequence.

[0042] The water flow passes through the water inlet pipe 3, the center shell 42, the gap between the second end shell 43 and the first inner shell 7, the gap between the heat preservation chamber and the combustion chamber, and the water outlet pipe 12 in sequence, the water flow is preheated in the first stage when passing through the vicinity of the second smoke guide pipe 10, the water flow is preheated in the second stage when passing through the vicinity of the first smoke guide pipe 6, and the water flow is finally heated when passing through the outside of the fourth inner shell 14.

[0043] When disassembled for cleaning and maintenance, the second end shell 43 can be rotated to be disassembled, and the second smoke guide pipe 10 can be removed, then the screw can be rotated to remove the first smoke guide pipe 6 and the second inner plate 15, and then the cleaning and maintenance can be performed.

[0044] It should be noted that in the description of the utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0045] In addition, it should also be noted that in the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0046] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will fall within the protection scope of the utility model.

Claims

1. An energy saving and efficiency increasing heat pipe type gas boiler, characterized in that, It comprises a shell (4), a heat preservation room and a combustion chamber; The shell (4) comprises a first end shell (41), a center shell (42) and a second end shell (43), the center shell (42) is fixed between the first end shell (41) and the second end shell (43), the side of the first end shell (41) passes through an air outlet pipe (2), the side of the center shell (42) passes through a water inlet pipe (3), the second end shell (43) is fixedly provided with a first inner plate (5), the side of the first inner plate (5) is fixedly provided with a second smoke guide pipe (10) in an arc array, the second smoke guide pipe (10) abuts against the side of the first end shell (41), and the second smoke guide pipe (10) communicates the interiors of the first end shell (41) and the second end shell (43). The heat preservation room is fixed at one end in the first end shell (41) and at the other end in the center shell (42), there is a gap between the heat preservation room and the first inner plate (5), the heat preservation room is located in the middle of the arc array of the second smoke guide pipe (10), and a water outlet pipe (12) passes through the side of the heat preservation room, and the other end of the water outlet pipe (12) passes through the center shell (42). The combustion chamber is fixed at one end in the inside of the first end shell (41), the combustion chamber passes through the burner (1) between the first end shell (41), the combustion chamber is located in the heat preservation room, and the combustion chamber is circularly arrayed with the first smoke guide pipe (6) between the first inner plate (5), and the first smoke guide pipe (6) communicates the interior of the combustion chamber and the second end shell (43).

2. The energy saving and efficiency increasing heat pipe gas boiler according to claim 1, characterized in that, The water inlet pipe (3) is installed at one end of the center shell (42) away from the second end shell (43).

3. The energy saving and efficiency increasing heat pipe gas boiler according to claim 1, characterized in that, The heat preservation room comprises a first inner shell (7), a first inner recess (8) and a third inner shell (13), the first inner recess (8) is fixed between the first inner shell (7) and the third inner shell (13), the middle end of the first inner recess (8) is recessed towards the middle, the other end of the third inner shell (13) is fixed in the end of the first end shell (41), and there is a gap between the other end of the first inner shell (7) and the first inner plate (5).

4. The energy-saving and efficiency-improving heat pipe gas boiler according to claim 3, characterized in that, The combustion chamber comprises a second inner plate (15), a second inner shell (9), a second inner recess (11) and a fourth inner shell (14), the second inner recess (11) is fixed between the second inner shell (9) and the fourth inner shell (14), the middle end of the second inner recess (11) is recessed towards the middle, the second inner recess (11) is located in the first inner recess (8), the other end of the fourth inner shell (14) is fixed in the end of the first end shell (41), the burner (1) is fixed between the fourth inner shell (14) and the first end shell (41), the second inner plate (15) is movably inserted in the other end of the second inner shell (9), the end of the first smoke guide pipe (6) is fixed between the second inner plate (15) and the second inner shell (9) through screws, and the other end of the first smoke guide pipe (6) abuts against the side of the first inner plate (5).

5. The energy saving and efficiency increasing heat pipe gas boiler according to claim 4, characterized in that, The gap between the third inner shell (13) and the fourth inner shell (14) is greater than the gap between the first inner shell (7) and the second inner shell (9).

6. The energy saving and efficiency increasing heat pipe gas boiler according to claim 1, characterized in that, The end of the second end housing (43) is fixed to the end of the central housing (42) by means of a threaded connection.