Underground flue heating furnace capable of observing fire from three sides

Abstract

The utility model discloses a three-side fire observation underground flue heating furnace, which relates to the technical field of heating furnaces, and comprises a smoke exhaust base and a smoke exhaust adsorption mechanism, one side of the smoke exhaust base is fixedly connected with the smoke exhaust adsorption mechanism, and the smoke exhaust adsorption mechanism comprises a smoke exhaust port fixedly connected to one side of the smoke exhaust base. An adsorption layer is arranged on one side of the smoke outlet, a filter screen is arranged on one side of the adsorption layer, the outer surface of the smoke outlet is connected with a smoke exhaust pipeline in a sleeving mode, the inner surface of the smoke exhaust pipeline is in threaded connection with a threaded bolt, when smoke is exhausted from the smoke outlet and passes through the filter screen, large-particle smoke is filtered, and then in the adsorption layer, the smoke in the smoke outlet passes through the threaded bolt. In addition, the filter screen and the adsorption layer can be detached, so that cleaning is convenient, and the filtering and adsorption effects are maintained. Compared with an existing common heating furnace, the three-side fire observing underground flue heating furnace has the advantages that smoke dust is effectively filtered and adsorbed, indoor air pollution is reduced, fuel combustion efficiency and heat transfer efficiency are improved, and energy waste is reduced.

Description

Technical Field

[0001] This utility model relates to the field of heating stove technology, specifically a three-sided underground flue heating stove. Background Technology

[0002] A fireplace is a device used for heating, cooking, and other purposes, and is widely used in daily life. Its basic structure typically includes a furnace body, a combustion chamber, and a flue system. The furnace body provides support and protection, the combustion chamber is the core area where fuel combustion releases heat, and the flue system is responsible for removing the exhaust gases produced during combustion. Based on the fuel used, fireplaces come in various types, including coal-fired, wood-fired, gas-fired, and electric. With technological advancements, modern fireplaces not only meet basic heating needs but also incorporate features such as automatic ignition, temperature regulation, and intelligent control. For example, the three-sided underground flue fireplace mentioned in the text features innovative designs such as multi-sided fire viewing and waste heat recovery, balancing practicality and aesthetics to provide users with a superior experience. Currently, fireplaces on the market still have many shortcomings.

[0003] A multifunctional heated coffee table, as described in application number CN202120522400.4, includes a detachable frame, a transparent tempered glass tabletop, and a heating cloth. This creates a relatively sealed space beneath the table, consuming only one-third the energy of a traditional fireplace. The heat is easily visible and can be controlled. The tempered glass tabletop is highly heat-resistant and will not break when heated. The heat reflected from the heater is also kept low, ensuring safe use. A drying rack is included under the table, which, together with the heating cloth and tempered glass tabletop, effectively dries clothes. The frame is detachable, making it easy to assemble, disassemble, and transport. This product, utilizing a utility model, allows for easy observation and ignition of the heat in winter. When not in use, the heating cloth is easily removed, allowing the table to function as a regular coffee table. It is multifunctional, versatile, and suitable for various occasions. However, the heat transfer efficiency of this type of stove is low, the heat generated by fuel combustion is not fully utilized, resulting in energy waste, and the treatment of smoke and dust is not perfect, which can easily cause indoor pollution.

[0004] Therefore, in view of this, we studied and improved the existing structure to propose a three-sided underground flue stove for heating. Utility Model Content

[0005] The purpose of this invention is to provide a three-sided underground flue stove for heating, in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a three-sided underground flue stove for heating, comprising a smoke exhaust base and a smoke exhaust adsorption mechanism. The smoke exhaust base is fixedly connected to one side of the smoke exhaust adsorption mechanism, and the smoke exhaust adsorption mechanism includes a smoke exhaust port fixedly connected to one side of the smoke exhaust base. An adsorption layer is provided on one side of the smoke exhaust port, and a filter screen is provided on one side of the adsorption layer. A smoke exhaust pipe is sleeved on the outer surface of the smoke exhaust port, and a threaded bolt is threadedly connected to the inner surface of the smoke exhaust pipe.

[0007] Preferably, the outer surface of the exhaust duct is fixedly connected to a waste heat recovery mechanism, and the waste heat recovery mechanism includes a waste heat collection pipe fixed at the position of the outer surface of the exhaust duct, and an exhaust fan is provided at the top of the waste heat collection pipe. A heat-conducting plate is provided on one side of the exhaust fan, and heat dissipation holes are opened on the inner surface of the heat-conducting plate.

[0008] Preferably, the top of the flue gas base is fixedly connected to the furnace body, and the interior of the furnace body is fixedly connected to the combustion chamber.

[0009] Preferably, a mesh screen is fixedly connected inside the combustion chamber, and a viewing glass is rotatably connected to the outer surface of the combustion chamber.

[0010] Preferably, the combustion chamber is equipped with an oven, and the interior of the furnace body is slidably connected to a dust collection drawer.

[0011] Preferably, an air inlet is provided on one side of the furnace body, and a board table is fixedly connected to the top of the furnace body.

[0012] Preferably, the top of the board tabletop is fixedly connected to a heating element, and the bottom of the smoke exhaust base is fixedly connected to a support bracket, and the bottom of the smoke exhaust base is fixedly connected to a heat dissipation fin.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model, through its smoke extraction and adsorption mechanism, can accurately intercept large particles of smoke and dust, such as incompletely burned carbon particles and ash clumps, effectively preventing them from being released into the atmosphere. The smoke enters an adsorption layer filled with honeycomb activated carbon. The activated carbon's huge specific surface area and abundant pore structure give it a strong adsorption capacity for harmful gases such as sulfur dioxide and nitrogen oxides, as well as tiny dust particles, achieving deep purification. It can be quickly connected to smoke extraction equipment of different specifications, whether it's an upwardly extending vertical smoke extraction pipe or a laterally bent flexible smoke extraction hose, ensuring a tight fit. This design not only allows for flexible adjustment of the smoke extraction method according to different usage environments, but also allows for the disassembly and storage of excess smoke extraction components when not in use, greatly saving floor space while maintaining a simple and aesthetically pleasing overall appearance.

[0015] 2. This utility model, through the setting of the waste heat recovery mechanism, works closely with the exhaust mechanism to build an efficient heat circulation system. When the exhaust mechanism is in operation, and the high-temperature flue gas is discharged from the combustion chamber through the exhaust pipe, the waste heat collection pipe immediately comes into play. Its structural design closely fits the exhaust pipe, enabling it to efficiently capture the heat in the flue gas. While ensuring smooth exhaust, it maximizes the recovery and reuse of heat, thereby improving energy efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the overall front view structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the smoke extraction and adsorption mechanism 2 of this utility model;

[0019] Figure 4 This is a schematic diagram of the waste heat recovery mechanism 3 of this utility model.

[0020] In the diagram: 1. Smoke exhaust base; 2. Smoke exhaust adsorption mechanism; 201. Smoke exhaust port; 202. Adsorption layer; 203. Filter screen; 204. Smoke exhaust pipe; 205. Threaded bolt; 3. Waste heat recovery mechanism; 301. Waste heat collection pipe; 302. Exhaust fan; 303. Heat conduction plate; 304. Heat dissipation hole; 4. Furnace body; 5. Combustion chamber; 6. Strainer; 7. Observation glass; 8. Oven; 9. Dust collection drawer; 10. Air inlet; 11. Panel tabletop; 12. Heating area; 13. Support; 14. Heat dissipation fins. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1-3As shown, a three-sided underground flue-type heating stove includes a smoke exhaust base 1 and a smoke exhaust adsorption mechanism 2. The smoke exhaust base 1 is fixedly connected to one side of the smoke exhaust adsorption mechanism 2, which includes a smoke exhaust port 201 fixedly connected to one side of the smoke exhaust base 1. An adsorption layer 202 is provided on one side of the smoke exhaust port 201, and a filter screen 203 is provided on one side of the adsorption layer 202. A smoke exhaust pipe 204 is sleeved on the outer surface of the smoke exhaust port 201, and a threaded bolt 205 is threaded onto the inner surface of the smoke exhaust pipe 204. Smoke is discharged from the smoke exhaust port 201. When the exhaust gas passes through the filter screen 203, large particles of smoke and dust are filtered out. Subsequently, in the adsorption layer 202, harmful gases and fine particles are adsorbed. The filter screen 203 and the adsorption layer 202 are removable for easy cleaning and to maintain the filtration and adsorption effect. The threaded bolt 205 connects the exhaust pipe 204 to the exhaust port 201. A sealing ring is provided at the connection between the exhaust pipe 204 and the exhaust port 201. A threaded bolt 205 is also provided at one end of the exhaust pipe 204, which facilitates the connection of different exhaust equipment according to different environments, saves space, and improves aesthetics.

[0023] like Figures 3-4 As shown, the outer surface of the exhaust duct 204 is fixedly connected to the waste heat recovery mechanism 3, and the waste heat recovery mechanism 3 includes a waste heat collection pipe 301 fixed on the outer surface of the exhaust duct 204, and an exhaust fan 302 is provided on the top of the waste heat collection pipe 301. A heat conduction plate 303 is provided on one side of the exhaust fan 302, and heat dissipation holes 304 are opened on the inner surface of the heat conduction plate 303. The heat of the high-temperature flue gas discharged from the exhaust duct 204 is absorbed by the waste heat collection pipe 301, and the heat conduction is accelerated through the heat conduction plate 303. After the exhaust fan 302 is started, the heat in the waste heat collection pipe 301 is blown out, which can be used to heat the surrounding air or for other purposes, realizing the recovery and reuse of heat and improving energy utilization.

[0024] Furthermore, the top of the flue base 1 is fixedly connected to the furnace body 4, and the inside of the furnace body 4 is fixedly connected to the combustion chamber 5. The inside of the combustion chamber 5 is fixedly connected to the mesh 6, and the outer surface of the combustion chamber 5 is rotatably connected to the viewing glass 7. The furnace body 4 is made of high-strength heat-resistant material and has an overall box structure. The combustion chamber 5 is used for fuel combustion, the mesh 6 is used to screen out the dust generated after combustion, and the three-sided viewing glass 7 allows for viewing the flames from different angles.

[0025] Furthermore, an oven 8 is provided inside the combustion chamber 5, and a dust collection drawer 9 is slidably connected inside the furnace body 4. An air inlet 10 is provided on one side of the furnace body 4, and a board table 11 is fixedly connected to the top of the furnace body 4. The oven 8 is a multi-layer oven 8, which can heat different outdoor ovens at the same time. The air inlet 10 keeps the air flowing and keeps the fire source burning continuously.

[0026] Furthermore, a heating element 12 is fixedly connected to the top of the board tabletop 11, and a support 13 is fixedly connected to the bottom of the smoke exhaust base 1. A heat dissipation fin 14 is fixedly connected to the bottom of the smoke exhaust base 1. The heating element 12 can heat tools such as kettles, realizing multi-functional operation. A rubber shock-absorbing pad is fixedly connected to the bottom of the support 13 to maintain the stability of the stove. Multiple sets of heat dissipation fins 14 increase the heat dissipation area.

[0027] Working principle: When using this three-sided viewing underground flue stove, first open the viewing glass 7 on one side of the stove body 4, place the fuel inside the combustion chamber 5, and ignite the fuel. After ignition, the air inlet 10 provides an appropriate amount of air for combustion. During combustion, the three-sided viewing glass 7 allows the user to enjoy the flames from three different directions. At the same time, the smoke exhaust adsorption mechanism 2 on one side of the smoke exhaust base 1 can quickly exhaust the smoke. The smoke is exhausted after being adsorbed and filtered by the adsorption layer 202 and the filter screen 203. The threaded bolt 205 can be removed to separate the smoke exhaust pipe 204 from the smoke exhaust port 201, and the adsorption layer 202 and the filter screen 203 can be used to further clean the smoke. The filter screen 203 is cleaned regularly. When the high-temperature flue gas heat is discharged from the exhaust pipe 204, the waste heat collection pipe 301 of the waste heat recovery mechanism 3 absorbs the heat. After the exhaust fan 302 is turned on, the hot air is discharged into the room through the heat dissipation holes 304 inside the heat conduction plate 303. The two ovens 8 can heat different foods. The kettle is heated and kept warm at the heating point 12 on the top of the board table 11. Finally, the dust collection drawer 9 is taken out and the dust filtered by the strainer 6 is removed. The rubber shock-absorbing pad at the bottom of the bracket 13 can maintain the stability of the oven. This is the working principle of the three-sided underground flue oven.

Claims

1. A three-sided fire pit for cooking underground, comprising a smoke exhaust base (1) and a smoke exhaust suction mechanism (2), characterized in that, The smoke exhaust base (1) is fixedly connected to one side by a smoke exhaust adsorption mechanism (2), and the smoke exhaust adsorption mechanism (2) includes a smoke exhaust port (201) fixedly connected to one side of the smoke exhaust base (1). An adsorption layer (202) is provided on one side of the smoke exhaust port (201), and a filter screen (203) is provided on one side of the adsorption layer (202). The outer surface of the smoke exhaust port (201) is sleeved with a smoke exhaust pipe (204), and the inner surface of the smoke exhaust pipe (204) is threaded with a threaded bolt (205).

2. A three-sided fire pit according to claim 1, wherein, The outer surface of the exhaust pipe (204) is fixedly connected to the waste heat recovery mechanism (3), and the waste heat recovery mechanism (3) includes a waste heat collection pipe (301) fixed on the outer surface of the exhaust pipe (204), and an exhaust fan (302) is provided on the top of the waste heat collection pipe (301). A heat conduction plate (303) is provided on one side of the exhaust fan (302), and heat dissipation holes (304) are opened on the inner surface of the heat conduction plate (303).

3. A three-sided fire pit according to claim 1, wherein, The top of the exhaust base (1) is fixedly connected to the furnace body (4), and the inside of the furnace body (4) is fixedly connected to the combustion chamber (5).

4. A three-sided fire pit according to claim 3, wherein, The combustion chamber (5) is fixedly connected to a mesh (6), and the outer surface of the combustion chamber (5) is rotatably connected to a viewing glass (7).

5. A three-sided fire pit according to claim 4, wherein, An oven (8) is provided inside the combustion chamber (5), and a dust collection drawer (9) is slidably connected inside the furnace body (4).

6. A three-sided fire pit according to claim 3, wherein, An air inlet (10) is provided on one side of the furnace body (4), and a board table (11) is fixedly connected to the top of the furnace body (4).

7. A three-sided fire pit according to claim 6, wherein, The top of the board tabletop (11) is fixedly connected to a heating element (12), and the bottom of the smoke exhaust base (1) is fixedly connected to a bracket (13), and the bottom of the smoke exhaust base (1) is fixedly connected to a heat dissipation fin (14).

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