Efficient heating furnace

Abstract

The utility model relates to an efficient heating furnace which comprises a hearth, a feeding port is formed in the side face of the hearth, a smoke exhaust pipeline is arranged on the side, away from the feeding port, of the hearth, an ash falling port is formed in the bottom of the hearth, a heat preservation box surrounds the outer side of the hearth, and two air outlets and an air inlet are formed in the heat preservation box. The air inlet is fixedly connected with an air inlet fan, the air inlet fan is electrically connected with a temperature control adjusting system, the air inlet fan can be controlled by the temperature control adjusting system to blow air into the heat preservation box, a sealed hollow interlayer formed between the heat preservation box and the hearth can gather hot air, and the air inlet fan arranged at the air inlet of the heat preservation box can blow air. Cold air enters the heat preservation box from the air inlet, hot air is exhausted from the air outlet, the indoor temperature is increased, warm air blown out by the device is odorless, nontoxic, safe and environmentally friendly, meanwhile, the device can be used for cooking, an oven is arranged, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of heating equipment, in particular to a multifunctional heating stove. Background Art

[0002] Due to geographical limitations in rural areas, centralized heating is not possible. Therefore, in the north, rural areas need to burn firewood or coal for heating in order to survive the cold winter. The traditional way of using coal is to place the coal in a brazier and ignite it directly. The flame cannot be restrained and may ignite flammable materials around the brazier, causing a fire.

[0003] Chinese utility model patent publication number CN220750231U discloses a wood stove with a heating device, comprising a wood stove body, a fire outlet formed on the upper surface of the wood stove body, an ash box slidably connected to the bottom of the inner wall of the wood stove, an iron mesh fixedly connected above the ash box, air exchange ports formed on both sides of the iron mesh, pin holes formed at the four corners of the upper surface of the wood stove body, a multifunctional storage plate fixedly connected to the upper left side of the wood stove body, and handle bases fixedly connected to both sides of the upper sides of the wood stove body. The wood stove with a heating device of the utility model is provided with a heating fan and a heating and combustion-supporting motor. When in use, the heating and combustion-supporting motor runs, exhausting internal hot air from the heating fan while simultaneously inputting air into the interior, thereby achieving the effect of heating and combustion-supporting, avoiding the situation in which the traditional wood stove burns internally while the external temperature remains unchanged, making it impossible for people to heat themselves. Although the above patent increases the combustion of firewood in the furnace by supplying air, the fan blows directly into the furnace, which will cause dust in the furnace to fly out of the furnace, polluting the indoor environment and being unfavorable for indoor use. Utility Model Content

[0004] The purpose of the present invention is to provide a multifunctional heating stove to solve the problems raised in the above background technology.

[0005] A high-efficiency heating furnace comprises a furnace, a feed port is provided on the side of the furnace, a smoke exhaust duct is provided on the side of the furnace away from the feed port, an ash outlet is provided at the bottom of the furnace, an insulation box is surrounded by the outside of the furnace, an air inlet and two air outlets are provided on the insulation box, the two air outlets are respectively located on both sides of the furnace, the air inlet is fixedly connected to an intake fan, the intake fan is electrically connected to a temperature control adjustment system, and the intake fan can be controlled by the temperature control adjustment system to blow air into the insulation box.

[0006] Preferably, an ash box is provided below the furnace, the ash box is slidably connected to the bottom end of the furnace, the ash box is opposite to the ash outlet, the ash outlet of the furnace is provided with movable grate bars, and a second handle is provided on the outer end surface of the ash box.

[0007] Preferably, the feed port is fixedly connected to a feed pipe, the free end of the feed pipe is inclined, the lower end size of the free end of the feed pipe is longer than the upper end size, and the lower end edge of the free end of the feed pipe is rotatably connected to a furnace cover, and a first handle is fixedly connected to the furnace cover.

[0008] Furthermore, a plurality of air inlet holes are provided on the side of the feed pipe.

[0009] Furthermore, a stove opening is provided directly above the furnace, and the stove opening is provided with a reducing ring and a furnace top cover. The stove opening and the outer ring of the reducing ring are provided with corresponding step chamfers, and the inner ring of the reducing ring and the furnace top cover are provided with corresponding step chamfers.

[0010] Preferably, the heat preservation box shares a bottom surface and a top surface with the furnace, and support legs are provided at the four corners of the bottom end of the heat preservation box.

[0011] Preferably, a baking tube is provided in the thermal insulation box, the open end of the baking tube is provided on the side of the thermal insulation box, a smoke exhaust pipe is provided above the baking tube, the baking tube is not connected to the thermal insulation box, a baking tray is provided in the baking tube, the end of the baking tray is fixedly connected to a baking end cover, the size of the baking end cover is larger than the size of the baking tube, and a push-pull handle is fixedly connected to the baking end cover.

[0012] Preferably, a furnace tongue is provided at the connection between the furnace and the smoke exhaust pipe.

[0013] Compared with the prior art, the present invention has the following beneficial effects: the present invention adopts an insulation box to be sleeved outside the furnace, and the heat of the furnace can quickly diffuse into the insulation box. The insulation box is relatively sealed, and the insulation box is provided with an air inlet and two air outlets. The air inlet is arranged on the bottom end surface of the insulation box away from the furnace, so that the air intake fan installed at the air inlet can be away from high temperature, which is beneficial to the stable operation of the air intake fan and prevents it from being damaged due to high temperature. The two air outlets are respectively arranged on both sides of the furnace, and the air intake fan blows cold air into the insulation box. After the cold air enters the insulation box, it is heated and converted into hot air, and the hot air in the insulation box is discharged through the two air outlets by the air intake fan. The energy in the furnace can be efficiently dissipated into the room, rapidly raising the indoor temperature. The heat preservation box is not connected to the furnace, so the hot air blown out from the heat preservation box is non-toxic, odorless, and dust-free, making it safe and environmentally friendly. The firewood or coal burning in the furnace is fed into the furnace through a feed port, which can be sealed by a furnace cover. The ash outlet at the bottom of the furnace is also sealed by an ash box below it. An exhaust duct is provided on the side of the furnace away from the feed port. The waste generated by the fuel combustion in the furnace is discharged to the outside through the exhaust duct. The lower part of the exhaust duct is a baking tube, which can insulate the heat and protect the intake fan below it. At the same time, the baking tube can accumulate high temperature to bake food. Ashes produced by the fuel combustion in the furnace can fall through the ash outlet into the ash box below for centralized collection. A movable grate bar is installed between the ash box and the furnace to prevent unburned fuel from falling into the ash box. The grate bar is inserted and fixed to the bottom of the furnace and can be removed and replaced if damaged, which is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the utility model from a top view;

[0017] Figure 4 This is a structural diagram of the side where the baking tray is located in the utility model;

[0018] Figure 5 This is a schematic diagram of the specific structure of the side where the ash box is located in the utility model.

[0019] In the figure: 1. Furnace; 2. Insulation box; 21. Intake fan; 22. Air outlet; 23. Support leg; 3. Feed inlet; 31. Feed pipe; 311. Air inlet; 32. Furnace cover; 33. First handle; 4. Smoke exhaust duct; 5. Ash outlet; 51. Movable grate bar; 52. Ash box slot; 53. Second handle; 54. Ash box; 6. Stove mouth; 61. Regulator ring; 62. Furnace top cover; 7. Furnace tongue; 8. Baking tube; 81. Baking tray; 82. Push-pull handle. DETAILED DESCRIPTION

[0020] The following will be combined with specific embodiments and attached Figure 1-5 , clearly and completely describe the technical solutions in the embodiments of the present utility model.

[0021] A high-efficiency heating stove includes a furnace 1, which has a cubic structure. An insulation box 2 is surrounded by the outside of the furnace 1. The internal space of the insulation box 2 is not connected to the furnace 1. The heat generated by the combustion in the furnace 1 can be transferred to the insulation box 2 without generating dust pollution. Therefore, clean and warm gas can be obtained in the insulation box 2. By blowing out the air in the insulation box 2, the effect of raising the indoor temperature can be achieved.

[0022] A feed port 3 is provided on one side of the furnace 1, and a feed pipe 31 is fixedly connected to the feed port 3. The feed port 3 extends the length of the furnace 1, making it convenient to put long and narrow fuels such as firewood into the furnace 1. The free end of the feed pipe 31 is an inclined surface with a lower end dimension longer than the upper end dimension. A furnace cover 32 is rotatably connected to the lower end edge of the free end of the feed pipe 31. When the furnace cover 32 is rotated upward to fit into the port of the feed pipe 31, it is in an inclined state. At this time, the center of gravity of the furnace cover 32 tends to fit into the feed pipe 31, so the furnace cover 32 can be naturally closed under the action of gravity. The size of the furnace cover 32 is larger than the feed pipe. The port size of 31 is large, and the furnace cover 32 can completely seal the feed pipe 31 after it is closed, preventing the smoke generated by incomplete combustion of the fuel in the furnace 1 from flowing back into the room through the feed pipe 31. The cross-section of the feed pipe 31 is rectangular, and six air inlet holes 311 are opened in the vertical direction on both sides of the feed pipe 31. When the furnace door is closed, the furnace 1 is only connected to the smoke exhaust pipe 4 with the outside world. The entire passage of the smoke exhaust pipe 4 is narrow and long, which is not conducive to the outside air entering the furnace 1 along the smoke exhaust pipe 4. The air inlet holes 311 are opened on the feed pipe 31 near the furnace 1 to enable the furnace 1 to obtain sufficient oxygen so that the fuel put into the furnace 1 can be fully burned. A first handle 33 is fixedly connected to the furnace cover 32, which is used to rotate the furnace cover 32 to prevent burns. The first handle 33 is annular and can be used to open and close the first handle 33 using tools such as fire hooks.

[0023] An ash outlet 5 is provided at the bottom of the furnace 1, and an ash box 54 is provided directly below the ash outlet 5. The ash box 54 is slidably connected to the bottom end of the furnace 1 through the ash box 54 groove 52, and the ash box 54 groove 52 is fixedly connected to the bottom of the furnace 1. The sliding direction of the ash box 54 is on the side perpendicular to the direction of the feed pipe 31, and ash is discharged from the side, which will not interfere with the feeding of the furnace 1. After the ash box 54 slides into the ash box 54 groove 52, its top is opposite to the ash outlet 5. The ash outlet 5 of the furnace 1 is provided with a movable grate bar 51, which can be pulled out and moved, and each bar can be easily replaced at any time, so that the furnace can be used normally and lasts longer. A second handle 53 is provided on the outer end surface of the ash box 54 for easy gripping for ash discharge.

[0024] A stove opening 6 is provided directly above the furnace 1. The stove opening 6 is a circular opening, and a reducing ring 61 and a stove top cover 62 are provided at the stove opening 6. The stove opening 6 and the outer ring of the reducing ring 61 are provided with corresponding step chamfers, so that the reducing ring 61 can be limited to the stove opening 6, thereby changing the opening diameter of the stove opening 6, and then the stove opening 6 can be placed on cookware of different sizes, which is convenient for cooking. The inner ring of the reducing ring 61 and the stove top cover 62 are provided with corresponding step chamfers, so that the stove cover 32 can be limited and fixed on the reducing ring 61, thereby completely covering the reducing ring 61, preventing smoke generated by combustion from drifting into the room from the stove opening 6.

[0025] A smoke exhaust pipe 4 is provided on the side of the furnace 1 away from the feed port 3, and the smoke exhaust pipe 4 passes through the insulation box 2. A furnace tongue 7 is provided at the connection between the furnace 1 and the smoke exhaust pipe 4. The furnace tongue 7 is convex from the smoke exhaust pipe 4 to the side of the feed port 3. When the fuel in the furnace 1 is burned, the flame will extend from the furnace 1 to the smoke exhaust channel. The existence of the furnace tongue 7 can make the flame first impact the stove mouth 6 along the inclination angle of the furnace tongue 7, so cooking or boiling water through the stove mouth 6 is more efficient and faster.

[0026] The insulation box 2 shares the bottom and top surfaces with the furnace 1. The two side surfaces of the furnace 1 and the side away from the feed port 3 are separated from the insulation box 2 by a wall, but the insulation box 2 is not connected to the furnace 1. A hollow interlayer is formed between the furnace 1 and the insulation box 2. The furnace 1 transfers heat to the hollow interlayer without polluting the air in the insulation box 2 with dust. The shape of the hollow interlayer is irregular. When a fire is burning in the furnace 1, a large amount of heat will be transferred from the side wall of the furnace 1 to the hollow interlayer. The insulation box 2 is provided with two air outlets 22 and an air inlet. The air inlet is arranged on the bottom end surface of the insulation box 2 and is located on the side away from the furnace 1. An air intake fan 21 is fixedly connected to the air inlet. The air inlet is away from the furnace 2 to prevent excessive temperature from affecting the operation of the air intake fan 21. The two air outlets 22 are arranged on the upper part of the side surface of the insulation box 2, and the air outlet 22 is located at a position far away from the air inlet so as to allow the air to enter The cold air entering the hollow interlayer from the air outlet can fully contact the outer wall of the furnace to increase the air temperature. The intake fan 21 can blow air into the insulation box 2 to increase the air flow speed, thereby increasing the exhaust efficiency of the high-temperature air in the hollow interlayer, which is conducive to rapid indoor temperature increase. The intake fan 21 is electrically connected to a temperature control adjustment system. The intake fan 21 and the temperature control adjustment system are both existing technologies. The temperature control adjustment system includes a temperature sensor and a controller. The temperature sensor can sense the indoor temperature. The controller adjusts the speed of the intake fan 21 according to the difference between the sensed data of the temperature sensor and the preset temperature. When the indoor temperature does not reach the preset temperature, the controller will control the intake fan 21 to work at high speed and blow the warm air in the insulation box 2 out through the air outlet 22, which can quickly increase the indoor temperature. It is safe, environmentally friendly, convenient and practical. The two air outlets 22 can be diverted into two rooms through connecting pipes, which is easy to use.

[0027] Support legs 23 are provided at the four corners of the bottom of the heat preservation box 2. The support legs 23 lift the heat preservation box 2 away from the ground so that the ground of the device can also dissipate heat into the air, thereby increasing its heat release efficiency.

[0028] The baking tray 81 is provided in the baking tube 8, and the baking tube 8 is connected with the furnace tongue 7 on both sides. The furnace tongue 7 extends to the inner wall of the baking box 2. The baking tube 8 is connected to the side of the baking box 2 away from the furnace 1 through a partition. The baking tube 8 is completely separated from the hollow interlayer by the partition, the baking tube 8 and the furnace tongue. The exhaust duct and the hollow interlayer are completely separated. The baking tube 8 has an air inlet below. The baking tube 8 separates the air inlet from the exhaust duct 4, further protecting the intake fan 21 from high temperature. A baking tray 81 is provided in the baking tube 8, and a baking end cover is fixedly connected to the end of the baking tray 81. The size of the baking end cover is larger than the size of the baking tube 8. When the baking tray 81 is fully extended into the baking tube 8, the baking end cover completely blocks the baking tube 8 to form a closed space in the baking tube 8, thereby increasing the internal heat accumulation and facilitating the rapid cooking of the baked food. A push-pull handle 82 is provided on the outside of the baking end cover.

[0029] Except for the technical features described in the specification, all other technical features are known technologies to those skilled in the art.

[0030] In the present invention, "up", "down", "left", "right", "front" and "back" are relative positions used to conveniently describe positional relationships, and therefore cannot be understood as absolute positions to limit the scope of protection.

[0031] The above content is merely an example and explanation of the structure of the present utility model. Technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the scope of protection of the present utility model.

Claims

1. A high-efficiency heating stove, characterized in that: The invention comprises a furnace, a feeding port is provided on the side of the furnace, a smoke exhaust pipe is provided on the side of the furnace away from the feeding port, an ash drop port is provided at the bottom of the furnace, an insulation box is surrounded by the outside of the furnace, an air inlet and two air outlets are provided on the insulation box, the two air outlets are respectively located on both sides of the furnace, an air inlet is fixedly connected to the air inlet fan, the air inlet fan is electrically connected to a temperature control adjustment system, the air inlet fan can be controlled by the temperature control adjustment system to blow air into the insulation box, a baking tube is provided in the insulation box, and the baking The open end of the baking tube is arranged on the side of the insulation box, and there is a smoke exhaust pipe above the baking tube. The baking tube is not connected to the insulation box. A baking tray is provided in the baking tube, and a baking end cover is fixedly connected to the end of the baking tray. The size of the baking end cover is larger than the size of the baking tube, and a push-pull handle is fixedly connected to the baking end cover. A furnace tongue is provided at the connection between the furnace chamber and the smoke exhaust pipe. The furnace tongue is convex from the smoke exhaust pipe to the side of the feed port. The top side of the baking tube is connected to the furnace tongue, and both sides of the furnace tongue extend to the inner wall of the insulation box.

2. A high-efficiency heating stove according to claim 1, characterized in that: An ash box is provided below the furnace and is slidably connected to the bottom end of the furnace. The ash box faces the ash outlet. A movable grate bar is provided at the ash outlet of the furnace, and a second handle is provided on the outer end surface of the ash box.

3. A high-efficiency heating stove according to claim 1 or 2, characterized in that: The feed port is fixedly connected to a feed pipe, the free end of the feed pipe is inclined, the lower end size of the free end of the feed pipe is longer than the upper end size, the lower end edge of the free end of the feed pipe is rotatably connected to a furnace cover, and the furnace cover is fixedly connected to a first handle.

4. A high-efficiency heating stove according to claim 3, characterized in that: A plurality of air inlet holes are provided on the side of the feed pipe.

5. The high-efficiency heating stove according to claim 4, characterized in that: A stove opening is provided directly above the furnace, and the stove opening is provided with a reducing ring and a stove top cover. The stove opening and the outer ring of the reducing ring are provided with corresponding step chamfers, and the inner ring of the reducing ring and the stove top cover are provided with corresponding step chamfers.

6. A high-efficiency heating stove according to claim 1 or 5, characterized in that: The heat preservation box and the furnace share the same bottom surface and top surface, and the four corners of the bottom end of the heat preservation box are provided with supporting feet.

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