Oxygenation type firewood stove

Abstract

The utility model discloses an oxygenation type firewood stove, and belongs to cooking stoves. The utility model discloses a cooking stove, and aims to provide a cooking stove which is sufficient in oxygen supply, fuel-saving and convenient to manufacture and maintain. The furnace comprises a furnace body with a furnace bridge and a furnace core positioned in the furnace body, the furnace body is formed by fixedly butting a furnace stack (6) with a conical barrel-shaped structure and a furnace bottom (12) with a disc-shaped structure, a slag discharging hole is formed in the center of the furnace bottom (12), a plurality of air supplementing holes (11) are distributed around the slag discharging hole, and a furnace bridge (13) is detachably arranged at the slag discharging hole; the furnace core is composed of a conical barrel-shaped core body (1) and an annular sealing plate (2), wherein a plurality of oxygenation holes (10) are distributed in the surface of the conical barrel-shaped core body (1), and the annular sealing plate (2) is fixed to an upper end opening of the core body and turned outwards. The energy-saving stove is good in combustion effect, little in smoke and convenient to add fuel; the cooking stove is suitable for being used in remote mountainous areas.

Description

Technical Field

[0001] The utility model relates to a civil stove, in particular to a cooking stove which takes firewood as main fuel. Background Art

[0002] Some families in remote mountainous rural areas still use cooking stoves that use firewood as fuel (such as CN201273594Y). The stove is mainly composed of a furnace body with a furnace bridge fixed at the bottom and a refractory insulation layer laid in the furnace body. This traditional wood stove structure is only ventilated by the gap at the furnace bridge, so it not only has insufficient oxygen supply, incomplete combustion of firewood, and large smoke, but also has the defects of difficult production and processing and easy cracking and damage of the furnace because the furnace is composed of refractory insulation materials laid on the inner wall of the furnace body. Improvement is urgently needed. Utility Model Content

[0003] In view of the above-mentioned defects in the prior art, the utility model aims to provide an oxygen-enhanced wood stove which has sufficient oxygen supply, saves fuel, and is easy to manufacture and maintain.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following scheme: it includes a furnace body with a furnace bridge and a furnace core located in the furnace body; the furnace body is formed by a furnace body with a conical cylindrical structure and a furnace bottom with a disc-shaped structure fixedly connected, and a slag discharge hole is provided in the central position of the furnace bottom, and a plurality of air supply holes are distributed around the slag discharge hole, and the furnace bridge is arranged at the slag discharge hole; the furnace core is composed of a conical cylindrical core body with a plurality of oxygen increase holes distributed on the surface, and a circular ring-shaped sealing plate fixed at the upper end of the core body and turned outward.

[0005] A notch is provided at the upper end of the core body, a door frame in a concave shape is fixed at the notch and connected with a sealing plate to form a charging port, and a charging door is installed on the furnace body corresponding to the charging port.

[0006] At least three limiting blocks are fixed on the outer surface of the core body.

[0007] Three supporting legs are fixed at the lower end of the furnace body.

[0008] A pot support is fixed on the surface of the sealing plate.

[0009] Compared with the prior art, the utility model has the following advantages due to the adoption of the above technical solution:

[0010] 1) Replacing the refractory layer with an iron furnace core can effectively overcome the defect that the furnace is prone to cracking and damage.

[0011] 2) Add air supply holes at the bottom of the furnace body and open oxygen increase holes on the wall of the furnace core, so that a sandwich air inlet duct connected to the furnace can be formed between the furnace core and the furnace body, which can not only effectively increase the oxygen supply to the furnace, but also the cold air is preheated through the sandwich air inlet duct before entering the furnace, which has a better combustion-supporting effect.

[0012] 3) Since a feeding port is provided, fuel can be added during the cooking process without removing the cooking pot, which is simple, convenient and safe to operate.

[0013] 4) The furnace body, furnace bridge and furnace core are all detachably connected, so it is not only easy to carry, but also convenient to assemble, maintain and discharge slag. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

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

[0016] Figure 3 It is a three-dimensional structural diagram of the furnace core of the utility model.

[0017] In the figure: core 1, sealing plate 2, pot rack 3, door frame 4, charging door 5, furnace body 6, ash basin 7, supporting feet 8, handle 9, oxygen increase hole 10, air supply hole 11, furnace bottom 12, furnace bridge 13, limit block 14, air inlet duct 15. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] like Figures 1 to 3 As shown: the furnace body is formed by butt welding a furnace body 6 of a conical cylindrical structure and a furnace bottom 12 of a disc-shaped structure, a slag discharge hole (not shown in the figure) is opened in the central position of the furnace bottom 12, and a plurality of air supply holes 11 are distributed around the slag discharge hole, and a furnace bridge 13 is detachably placed at the slag discharge hole. The furnace core positioned in the furnace body is composed of a conical cylindrical core body 1 with a plurality of oxygen increase holes 10 distributed on the surface, and a circular annular sealing plate 2 fixed at the upper end of the core body and turned outward.

[0020] In order to facilitate the addition of fuel, a notch (not shown in the figure) is opened at the upper end of the core 1, and a door frame 4 with a concave structure is welded at the notch and connected to the sealing plate 2 to form a charging port (not shown in the figure), and a charging door 5 is installed on the furnace body 6 corresponding to the charging port.

[0021] In order to prevent the furnace core from shifting and shaking, at least three limiting blocks 14 are welded on the outer surface of the core body 1 .

[0022] For ease of use, three supporting legs 8 are welded to the lower end of the furnace body 6 .

[0023] In order to facilitate the collection of slag, an ash basin 7 is arranged below the furnace bridge.

[0024] For ease of use, a pot support 3 is welded to the surface of the sealing plate 2 .

[0025] In order to facilitate transportation, a handle 9 is welded on the outer surface of the furnace body 6 .

[0026] When in use, the furnace core is placed in the furnace body, and the furnace core is positioned using the annular sealing plate 2 and three positioning blocks 14 welded to the surface of the core body 1 to ensure that the feeding port is aligned with the feeding door 5; then the furnace bridge 13 support is placed at the slag discharge hole, and the ash basin 7 is placed under the furnace bridge 13 to complete the furnace assembly.

[0027] Working principle: Due to the limiting effect of the annular sealing plate 2 and the three positioning blocks 14, a conical ring-shaped sandwich air inlet duct 15 can be formed between the outer wall of the core 1 and the furnace body. When the fuel burns in the core 1, under the suction effect of the hot air flow in the furnace, the cold air enters the air inlet duct 15 from the multiple air supply holes 11 opened on the disc-shaped (or dish-shaped) furnace bottom 12 for preheating, and then enters the furnace through the oxygen increase hole 10 to assist combustion. Therefore, the furnace is adequately supplied with oxygen, the firewood is fully burned, the thermal efficiency is high, the smoke is less, and fuel is saved.

[0028] If the holes in the air inlet duct 15 are clogged by ash due to long-term use, the furnace core can be cleaned by simply taking it out of the furnace body, which is very convenient.

Claims

1. An oxygen-enhanced wood stove, comprising a furnace body with a furnace bridge and a furnace core located in the furnace body, characterized in that: The furnace body is formed by a furnace body (6) with a conical cylindrical structure and a furnace bottom (12) with a disc-shaped structure fixedly connected to each other. The furnace bottom (12) has a slag discharge hole at the central position, and a plurality of air supply holes (11) are distributed around the slag discharge hole. The furnace bridge (13) is detachably arranged at the slag discharge hole. The furnace core is composed of a conical cylindrical core body (1) with a plurality of oxygen increase holes (10) distributed on the surface, and a circular ring-shaped sealing plate (2) fixed at the upper end of the core body and turned outward.

2. The oxygen-enhanced wood stove according to claim 1, characterized in that: A notch is provided at the upper end of the core body (1); a door frame (4) having a concave structure is fixed at the notch and connected to the sealing plate (2) to form a charging port; a charging door (5) is installed on the furnace body (6) corresponding to the charging port.

3. The oxygen-enhanced wood stove according to claim 1 is characterized in that: At least three limit blocks (14) are fixed on the outer surface of the core (1).

4. The oxygen-enhanced wood stove according to claim 1 is characterized in that: Three supporting legs (8) are fixed to the lower end of the furnace body (6).

5. The oxygen-enhanced wood stove according to any one of claims 1 to 4, characterized in that: A pot support (3) is fixed on the surface of the sealing plate (2).

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