Full-premixing wall-mounted condensing furnace

Abstract

The utility model belongs to the technical field of condensing furnaces, and particularly relates to a full-premixing wall-mounted condensing furnace. A flue gas temperature sensor is arranged below the furnace shell, a fuel gas filter is arranged on the other side below the furnace shell, the inner side of the fuel gas filter is connected with a mixer, the other side of the mixer is connected with a fan, a condensation drain pipe is arranged on the outer side of the fuel gas filter, and a conveying assembly is arranged above the fan. According to the wall-mounted condensation furnace, a wall-mounted structure is adopted, the wall-mounted condensation furnace only needs to be directly hung during installation, the wall-mounted condensation furnace is very convenient to install, and compared with a floor type condensation furnace, the wall-mounted condensation furnace is small in overall size and compact in internal structure, manufacturing cost can be saved, and meanwhile space is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of condensing furnaces and relates to a full-premix wall-mounted condensing furnace. Background Art

[0002] Condensing furnaces utilize efficient condensing waste heat recovery devices to absorb the sensible heat from the boiler's high-temperature flue gas and the latent heat released by condensed water vapor, thereby improving the boiler's thermal efficiency. Existing condensing furnaces are typically floor-standing. Due to their large size and complex structure, they occupy a large area during installation and are costly to manufacture. Therefore, a fully premixed wall-mounted condensing furnace has been proposed to address these issues. Utility Model Content

[0003] The purpose of the utility model is to provide a full premix wall-mounted condensing furnace in view of the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A fully premixed wall-mounted condensing furnace comprises a furnace shell, a support frame assembly is provided at the upper part of the furnace shell, and a display is provided below the front of the furnace shell, and a main board assembly is provided at the back of the display, a flue gas temperature sensor is provided on one side of the bottom of the furnace shell, and a gas filter is provided on the other side of the bottom of the furnace shell, fans are provided on the upper and lower parts of the back wall of the furnace shell, and a mixer is provided on the front side of the fan, and a condensation drain pipe is provided between the other side of the mixer and the gas filter, a main heat exchanger is provided in the support frame assembly, and a conveying assembly is provided between one side of the main heat exchanger and one side of the fan, a heating outlet pipe and a heating return pipe are respectively provided on the front of the main heat exchanger, and the heating outlet pipe and the heating return pipe are both inserted at the bottom of the furnace shell, a gas inlet pipe is provided on one side of the gas filter, and the gas inlet pipe is inserted at the bottom of the furnace shell, and an air filter is provided on the top side of the furnace shell.

[0006] In the above-mentioned fully premixed wall-mounted condensing furnace, an opening is provided at the lower front side of the furnace shell, and a display is fixedly connected in the opening, while the back side of the display is fixedly connected to a main board component. A support frame assembly is fixedly connected to the upper part of the furnace shell, and a main heat exchanger is fixedly connected inside the support frame assembly, and an ignition and fire detection pin is provided inside the main heat exchanger.

[0007] In the above-mentioned fully premixed wall-mounted condensing boiler, one side of the bottom of the furnace shell is inserted and fixedly connected to the bottom of the flue gas temperature sensor, and the bottom of the flue gas temperature sensor is connected to the outside, the other side of the bottom of the furnace shell is fixedly connected to the gas filter, and the inner side of the gas filter is fixedly connected to one end of the gas inlet pipe, while the other end of the gas inlet pipe passes through the bottom of the furnace shell.

[0008] In the above-mentioned fully premixed wall-mounted condensing furnace, a fan is fixedly connected to the back wall below the furnace shell, and the front side of the fan is fixedly connected to one side of the mixer. One end of a condensation drain pipe is inserted and fixedly connected into the other side of the mixer, and the other end of the condensation drain pipe is inserted and fixedly connected into the outside of the gas filter.

[0009] In the above-mentioned fully premixed wall-mounted condensing furnace, the outer side of the fan is fixedly connected to the bottom of the conveying assembly, and the top of the conveying assembly is fixedly connected to the lower side of the outer side of the main heat exchanger. At the same time, the fan and the conveying assembly are connected to the main heat exchanger, and the main heat exchanger is respectively spaced apart from the top of the furnace shell and the top of the mixer.

[0010] In the above-mentioned full premix wall-mounted condensing boiler, a fixedly connected pressure-limiting valve is inserted above the middle of the front face of the main heat exchanger, and the pressure-limiting valve is communicated with the interior of the main heat exchanger.

[0011] In the above-mentioned fully premixed wall-mounted condensing furnace, the lower side of the middle part of the front of the main heat exchanger is inserted into the top of the fixedly connected heating water outlet pipe, and the bottom of the heating water outlet pipe penetrates into the bottom of the fixedly connected furnace shell.

[0012] In the above-mentioned fully premixed wall-mounted condensing furnace, the other side below the middle of the front face of the main heat exchanger is inserted into the top of the fixedly connected heating return pipe, and the bottom of the heating return pipe is inserted into the bottom of the fixedly connected furnace shell.

[0013] In the above-mentioned full premix wall-mounted condensing furnace, a plurality of outlets are provided above the furnace shell, and the outlets are communicated with the interior of the furnace shell.

[0014] In the above-mentioned full premix wall-mounted condensing boiler, an air filter is provided below the outlet portion, and the outlet portion on the other side is inserted into the top of the main heat exchanger.

[0015] Compared with the existing technology, the advantages of this utility model are:

[0016] The utility model is provided with a flue gas temperature sensor under the furnace shell, a gas filter is provided on the other side under the furnace shell, and the inner side of the gas filter is connected to the mixer, while the other side of the mixer is connected to the fan, a condensation drain pipe is provided on the outer side of the gas filter, a conveying assembly is provided above the fan, and the top of the conveying assembly is connected to the main heat exchanger, a heating outlet pipe and a heating return pipe are provided on the front of the main heat exchanger, and the top of the main heat exchanger passes through the top of the furnace shell, adopting a wall-mounted structure, which only needs to be hung directly during installation, which is very convenient. Compared with the floor-standing type, the condensing furnace has a small overall size and a compact internal structure, which can save manufacturing costs and save space.

[0017] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is one of the schematic diagrams of the overall internal structure of the utility model;

[0020] Figure 3 This is the second schematic diagram of the overall internal structure of the utility model;

[0021] Figure 4 This is the third schematic diagram of the overall internal structure of the utility model;

[0022] Figure 5 It is a bottom view schematic diagram of the overall internal structure of the present invention.

[0023] In the figure: 1. furnace shell; 101. opening; 102. outlet; 2. support frame assembly; 3. main board assembly; 4. display; 5. flue gas temperature sensor; 6. gas filter; 7. fan; 8. mixer; 9. conveying assembly; 10. main heat exchanger; 11. heating return pipe; 12. air filter; 13. heating outlet pipe; 14. condensate drain pipe; 15. gas inlet pipe; 16. pressure limiting valve. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] like Figure 1-5 As shown, a full premixed wall-mounted condensing boiler includes a furnace shell 1, a support frame assembly 2 is provided at the top of the furnace shell 1, and a display 4 is provided at the bottom of the front of the furnace shell 1, and a main board assembly 3 is provided at the back of the display 4, a flue gas temperature sensor 5 is provided on one side of the bottom of the furnace shell 1, and a gas filter 6 is provided on the other side of the bottom of the furnace shell 1, a fan 7 is provided on the upper and lower sides of the back wall of the furnace shell 1, and a mixer 8 is provided on the front side of the fan 7, and a condensation drain pipe 14 is provided between the other side of the mixer 8 and the gas filter 6, a main heat exchanger 10 is provided in the support frame assembly 2, and a conveying assembly 9 is provided between one side of the main heat exchanger 10 and one side of the fan 7, a heating outlet pipe 13 and a heating return pipe 11 are respectively provided on the front of the main heat exchanger 10, and the heating outlet pipe 13 and the heating return pipe 11 are both inserted at the bottom of the furnace shell 1, a gas inlet pipe 15 is provided on one side of the gas filter 6, and the gas inlet pipe 15 is inserted at the bottom of the furnace shell 1, and an air filter 12 is provided on the top side of the furnace shell 1.

[0026] An opening 101 is opened at the lower front side of the furnace shell 1, and a display 4 is fixedly connected in the opening 101. At the same time, the back side of the display 4 is fixedly connected to the main board component 3. The upper part of the furnace shell 1 is fixedly connected to the support frame assembly 2, and the main heat exchanger 10 is fixedly connected in the support frame assembly 2. The main heat exchanger 10 is provided with ignition and fire detection needles inside.

[0027] A main heat exchanger 10 is provided in the support frame assembly 2 above the furnace shell 1. Since the main heat exchanger 10 is provided with ignition and fire detection needles, it can supply heat to the interior and detect the degree of heating.

[0028] The bottom of the flue gas temperature sensor 5 is inserted and fixedly connected through one side of the bottom of the furnace shell 1, and the bottom of the flue gas temperature sensor 5 is connected to the outside. The other side of the bottom of the furnace shell 1 is fixedly connected to the gas filter 6, and the inner side of the gas filter 6 is fixedly connected to one end of the gas inlet pipe 15. At the same time, the other end of the gas inlet pipe 15 passes through the bottom of the furnace shell 1.

[0029] The flue gas temperature sensor 5 provided in the furnace shell 1 monitors the entire interior to prevent internal overload and burning and can quickly alarm. The gas filter 6 provided in the furnace shell 1 supplies gas to the outside through the gas inlet pipe 15.

[0030] Furthermore, a fan 7 is fixedly connected to the back wall below the furnace shell 1, and the front side of the fan 7 is fixedly connected to one side of the mixer 8, one end of the condensation drain pipe 14 is inserted and fixedly connected into the other side of the mixer 8, and the other end of the condensation drain pipe 14 is inserted and fixedly connected into the outside of the gas filter 6.

[0031] Furthermore, the outer side of the fan 7 is fixedly connected to the bottom of the conveying component 9, and the upper side of the conveying component 9 is fixedly connected to the outer side of the main heat exchanger 10. At the same time, the fan 7 and the conveying component 9 are connected to the main heat exchanger 10, and the main heat exchanger 10 is respectively spaced apart from the top of the furnace shell 1 and the top of the mixer 8.

[0032] A fan 7, a mixer 8 and a gas filter 6 are provided in the furnace shell 1. After the fan 7 is connected to the main heat exchanger 10, energy is supplied from the gas filter 6 to the mixer 8, and then to the main heat exchanger 10 through the fan 7, and then enters the main heat exchanger 10 for conversion.

[0033] Furthermore, a pressure-limiting valve 16 is inserted and fixedly connected above the middle of the front side of the main heat exchanger 10 , and the pressure-limiting valve 16 is communicated with the interior of the main heat exchanger 10 .

[0034] The pressure limiting valve 16 provided on the front side of the main heat exchanger 10 can adjust the pressure inside the main heat exchanger 10 .

[0035] Furthermore, one side of the lower middle portion of the front face of the main heat exchanger 10 is inserted and fixedly connected to the top of the heating water outlet pipe 13 , and the bottom of the heating water outlet pipe 13 is inserted and fixedly connected to the bottom of the furnace shell 1 .

[0036] Furthermore, the other side below the middle of the front face of the main heat exchanger 10 is inserted into the top of the fixedly connected heating return pipe 11 , and the bottom of the heating return pipe 11 is passed through the bottom of the fixedly connected furnace shell 1 .

[0037] A heating water outlet pipe 13 and a heating water return pipe 11 are provided on the front face of the main heat exchanger 10 , and the two pipes are used to perform supply conversion inside the main heat exchanger 10 .

[0038] Furthermore, a plurality of outlets 102 are provided above the furnace shell 1 , and the outlets 102 are communicated with the interior of the furnace shell 1 .

[0039] Furthermore, an air filter 12 is provided below the outlet portion 102 , and the outlet portion 102 on the other side is inserted into the top of the main heat exchanger 10 .

[0040] An air filter 12 is provided in the outlet portion 102 above the furnace shell 1 to prevent dust from being adsorbed into the entire condensing furnace. The top of the main heat exchanger 10 is provided in the outlet portion 102 provided on the other side above the furnace shell 1, so that the main heat exchanger 10 is connected to the outside for transporting the outside.

[0041] Working principle:

[0042] A flue gas temperature sensor 5 is provided below the furnace shell 1, so that the flue gas temperature sensor 5 can monitor the entire condensing furnace in real time to prevent internal overload. A gas filter 6 is provided on the other side of the furnace shell 1, and the inner side of the gas filter 6 is connected to the mixer 8, and the other side of the mixer 8 is connected to the fan 7. In this way, the gas filter 6, the mixer 8 and the fan 7 are connected and can work with each other. A condensation drain pipe 14 is provided on the outside of the gas filter 6 so that the water produced by liquefaction in the gas filter 6 can be discharged. A conveying component 9 is provided above the fan 7, and the conveying component 9 is connected to the main heat exchanger 10 above. In this way, the gas filter 6 is connected to the mixer 8, and then to the fan 7 and the main heat exchanger 10 to form an integrated supply structure. A heating water outlet pipe 13 and a heating return water pipe 11 are provided on the front of the main heat exchanger 10, so that a water inlet and outlet circulation is formed in the main heat exchanger 10. Finally, the main heat exchanger 10 supplies water to the outside through the outlet portion 102 at the top, so that the entire internal structure is wrapped in one piece by the furnace shell 1 and can be directly hung for installation.

[0043] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them with similar methods, without departing from the spirit of the present invention.

[0044] Although this document frequently uses terms such as 1. furnace shell; 101. opening; 102. outlet; 2. support frame assembly; 3. main board; 4. display; 5. flue gas temperature sensor; 6. gas filter; 7. fan; 8. mixer; 9. conveying assembly; 10. main heat exchanger; 11. heating return pipe; 12. air filter; 13. heating outlet pipe; 14. condensate drain pipe; 15. gas inlet pipe; 16. pressure limiting valve, the use of other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention. Interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A full premix wall-mounted condensing furnace, comprising a furnace shell (1), characterized in that: A support frame assembly (2) is provided on the upper part of the furnace shell (1), and a display (4) is provided on the lower part of the front of the furnace shell (1), and a main board assembly (3) is provided on the back of the display (4). A flue gas temperature sensor (5) is provided on one side of the bottom of the furnace shell (1), and a gas filter (6) is provided on the other side of the bottom of the furnace shell (1). A fan (7) is provided on the upper and lower parts of the back wall of the furnace shell (1), and a mixer (8) is provided on the front side of the fan (7). A condensation drain pipe (14) is provided between the other side of the mixer (8) and the gas filter (6). A main heat exchanger (10) is provided in the component (2), and a conveying component (9) is provided between one side of the main heat exchanger (10) and one side of the fan (7). A heating water outlet pipe (13) and a heating water return pipe (11) are provided on the front of the main heat exchanger (10), and the bottoms of the heating water outlet pipe (13) and the heating water return pipe (11) are inserted into the bottom of the furnace shell (1). A gas inlet pipe (15) is provided on one side of the gas filter (6), and the bottom of the gas inlet pipe (15) is inserted into the bottom of the furnace shell (1). An air filter (12) is provided on one side of the top of the furnace shell (1).

2. The full premix wall-mounted condensing boiler according to claim 1, characterized in that: An opening (101) is provided at the lower front of the furnace shell (1), and a display (4) is fixedly connected in the opening (101), while the back of the display (4) is fixedly connected to the main board component (3). A support frame assembly (2) is fixedly connected to the upper part of the furnace shell (1), and a main heat exchanger (10) is fixedly connected in the support frame assembly (2), and an ignition and fire detection needle are provided inside the main heat exchanger (10).

3. The full premix wall-mounted condensing boiler according to claim 2, characterized in that: One side of the bottom of the furnace shell (1) is inserted and fixedly connected to the bottom of the flue gas temperature sensor (5), and the bottom of the flue gas temperature sensor (5) is connected to the outside. The other side of the bottom of the furnace shell (1) is fixedly connected to the gas filter (6), and the inner side of the gas filter (6) is fixedly connected to one end of the gas inlet pipe (15), while the other end of the gas inlet pipe (15) passes through the bottom of the furnace shell (1).

4. The full premix wall-mounted condensing boiler according to claim 3, characterized in that: A fan (7) is fixedly connected to the back wall below the furnace shell (1), and one side of the front of the fan (7) is fixedly connected to one side of the mixer (8). One end of a condensation drain pipe (14) is inserted and fixedly connected into the other side of the mixer (8), and the other end of the condensation drain pipe (14) is inserted and fixedly connected into the outside of the gas filter (6).

5. The full premix wall-mounted condensing boiler according to claim 4, characterized in that: The outside of the fan (7) is fixedly connected to the bottom of the conveying assembly (9), and the top of the conveying assembly (9) is fixedly connected to the outside of the main heat exchanger (10). At the same time, the fan (7), the conveying assembly (9) and the main heat exchanger (10) are connected. The main heat exchanger (10) is spaced apart from the top of the furnace shell (1) and the top of the mixer (8) above and below.

6. The full premix wall-mounted condensing boiler according to claim 5, characterized in that: A fixedly connected pressure limiting valve (16) is inserted above the middle of the front face of the main heat exchanger (10), and the pressure limiting valve (16) is in communication with the interior of the main heat exchanger (10).

7. The full premix wall-mounted condensing boiler according to claim 6, characterized in that: The lower side of the middle portion of the front face of the main heat exchanger (10) is inserted into the upper portion of the fixedly connected heating water outlet pipe (13), and the lower portion of the heating water outlet pipe (13) is inserted into the inner bottom portion of the fixedly connected furnace shell (1).

8. The full premix wall-mounted condensing boiler according to claim 7, characterized in that: The other side below the middle of the front face of the main heat exchanger (10) is inserted into the top of the fixedly connected heating return water pipe (11), and the bottom of the heating return water pipe (11) is penetrated into the bottom of the fixedly connected furnace shell (1).

9. The full premix wall-mounted condensing boiler according to claim 8, characterized in that: A plurality of outlets (102) are provided above the furnace shell (1), and the outlets (102) are communicated with the interior of the furnace shell (1).

10. The full premix wall-mounted condensing boiler according to claim 9, characterized in that: An air filter (12) is provided below the outlet portion (102), and the outlet portion (102) on the other side is inserted into the top of the main heat exchanger (10).

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