High-efficiency energy-saving gas stove

Abstract

The application discloses a kind of high-efficiency energy-saving gas furnace, belongs to industrial hot air heating equipment technical field, and its technical scheme main points include shell, linear burner is installed in the inside of the shell, hot air frequency conversion oxygen supply mechanism, proportional motor, waste heat recovery assembly, high-temperature circulating fan, wind belt, heat storage air outlet pipeline and oxygen supply high-pressure fan;The waste heat recovery assembly includes waste heat recovery tank, and a plurality of heat-conducting high-aluminum balls are fixedly connected in the inside of the waste heat recovery tank, can solve the problem that the heat loss of the existing conventional gas furnace is generally large, and the waste heat cannot be recycled;Excess heat generated during combustion is directly wasted, and the thermal efficiency is low;At the same time, the combustion air is usually normal temperature cold air directly into, resulting in insufficient combustion, high energy consumption;Gas supply is mostly fixed opening, cannot be accurately adjusted according to load, and is prone to unstable combustion and large temperature fluctuations.

Description

Technical Field

[0001] This invention relates to the field of industrial hot air heating equipment technology, and in particular to a high-efficiency and energy-saving gas furnace. Background Technology

[0002] A high-efficiency and energy-saving gas furnace refers to an industrial heating device that uses gas as fuel, achieves stable combustion through a linear burner, and integrates waste heat recovery, hot air preheating and oxygen supply, proportional regulation, and automatic control.

[0003] Existing traditional gas stoves generally suffer from significant heat loss and the inability to recover and utilize waste heat. Excess heat generated during combustion is directly wasted, resulting in low thermal efficiency. At the same time, the combustion air is often cold air at room temperature, leading to incomplete combustion and high energy consumption. The gas supply is mostly at a fixed opening degree, making it impossible to accurately adjust the ratio according to the load, which easily leads to unstable combustion and large temperature fluctuations.

[0004] Therefore, a high-efficiency and energy-saving gas stove is proposed. Summary of the Invention

[0005] The purpose of this invention is to provide a high-efficiency and energy-saving gas stove that can solve the problems of large heat loss and inability to recover and utilize waste heat that are common in existing traditional gas stoves. Excess heat generated during combustion is directly wasted, resulting in low thermal efficiency. At the same time, the combustion air is often cold air at room temperature, which leads to incomplete combustion and high energy consumption. The gas supply is mostly at a fixed opening degree, which cannot be accurately adjusted according to the load, and is prone to unstable combustion and large temperature fluctuations.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency and energy-saving gas furnace, comprising a shell, wherein a linear burner, a hot air variable frequency oxygen supply mechanism, a proportional motor, a waste heat recovery component, a high-temperature circulating fan, an air belt, a heat storage air outlet duct, and an oxygen supply high-pressure fan are installed inside the shell. The waste heat recovery assembly includes a waste heat recovery box, and several thermally conductive high-alumina balls are fixedly connected inside the waste heat recovery box. The waste heat recovery box is located inside the linear burner.

[0007] Preferably, the proportional motor is mounted on the gas inlet end of the linear burner, and the proportional motor is used to regulate the gas inlet flow rate to achieve precise adjustment of the gas supply.

[0008] Preferably, the outlet end of the oxygen supply high-pressure blower is connected to the inlet end of the hot air variable frequency oxygen supply mechanism, and the oxygen supply high-pressure blower is used to deliver atmospheric pressure combustion air into the hot air variable frequency oxygen supply mechanism.

[0009] Preferably, the outlet end of the hot air variable frequency oxygen supply mechanism is connected to the inlet end of the linear burner, and the preheated air can be sent into the linear burner to participate in the combustion reaction.

[0010] Preferably, an insulation sleeve is fixedly connected to the surface of the linear burner body.

[0011] Preferably, the cavity inside the linear burner is a waste heat accumulation and storage cavity, with several thermally conductive high-alumina balls arranged in close contact with the inner wall of the cavity to absorb excess heat generated by combustion and store it inside the cavity.

[0012] Preferably, the heat storage air outlet duct is equipped with a blower, which can draw out the hot air stored in the cavity.

[0013] Preferably, a control box is bolted to the left side of the outer casing, and a touch screen is installed inside the control box.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. This application achieves full mixing of fuel gas and hot oxygen through hot air frequency conversion oxygen supply and proportional regulation combustion, which significantly improves combustion efficiency and flame temperature, and greatly reduces energy consumption; 2. This application relies on waste heat storage and preheating reuse to further improve the thermal energy utilization rate and achieve faster start-up and heating; combined with a high-temperature circulating temperature equalization system, it ensures uniform temperature distribution inside the furnace and guarantees stable product quality. Attached Figure Description

[0015] Figure 1 This is an overall structural diagram of the high-efficiency energy-saving gas furnace of the present invention; Figure 2 This is a schematic diagram of the waste heat recovery component of the present invention; Figure 3 This is a cross-sectional schematic diagram of the outer casing of the present invention; Figure 4 This is a schematic diagram of the structure of a partial component of the present invention; Figure 5 This is a cross-sectional schematic diagram of the linear burner of the present invention.

[0016] In the diagram, 1. Outer shell; 2. Linear burner; 3. Hot air variable frequency oxygen supply mechanism; 4. Proportional motor; 5. Waste heat recovery assembly; 501. Waste heat recovery box; 502. Thermally conductive high-alumina ball; 6. High-temperature circulating fan; 7. Air duct; 8. Heat storage air outlet duct; 9. Oxygen supply high-pressure fan; 10. Insulation jacket; 11. Air supply fan; 12. Control box; 13. Touch screen. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figure 1-5 The present invention provides the following technical solution: A high-efficiency and energy-saving gas furnace includes an outer shell 1, and inside the outer shell 1 are installed a linear burner 2, a hot air variable frequency oxygen supply mechanism 3, a proportional motor 4, a waste heat recovery component 5, a high-temperature circulating fan 6, an air belt 7, a heat storage air outlet pipe 8, and an oxygen supply high-pressure fan 9. The waste heat recovery assembly 5 includes a waste heat recovery box 501, and several thermally conductive high-alumina balls 502 are fixedly connected inside the waste heat recovery box 501. The waste heat recovery box 501 is located inside the linear burner 2.

[0019] In this embodiment: The outer shell 1 serves as the external protective casing for the entire gas furnace, enclosing all internal components and providing protection, heat insulation, and structural stability. The linear burner 2, the core combustion component, mixes and burns the gas and combustion air to generate high-temperature hot air, which is the main heat source of the equipment. The variable frequency oxygen supply mechanism 3 regulates and delivers the combustion air and can utilize waste heat to preheat the incoming air, providing stable and controllable hot air for combustion. The proportional motor 4 precisely controls the gas intake volume, ensuring the gas and air burn in the optimal ratio, achieving energy saving, constant temperature, and stable combustion. By setting up a waste heat recovery component 5, excess heat during combustion is collected, stored, and reused to improve energy efficiency. A high-temperature circulating fan 6 is set up to extract high-temperature hot air from the furnace, pressurize and transport it to provide power for external heating. A wind belt 7 is set up to evenly transport the hot air delivered by the high-temperature circulating fan 6 to the production station to achieve external heating or drying. A heat storage air outlet pipe 8 is set up to connect the waste heat recovery box 501 and the hot air variable frequency oxygen supply mechanism 3 to conduct the stored waste heat to preheat the combustion air. A high-pressure oxygen supply fan 9 is set up to provide basic combustion air to the hot air variable frequency oxygen supply mechanism 3 to ensure the air supply required for combustion.

[0020] Specifically, such as Figure 3 As shown, the proportional motor 4 is installed at the gas inlet end of the linear burner 2. The proportional motor 4 is used to regulate the gas inlet flow rate to achieve precise adjustment of the gas supply.

[0021] Specifically, such as Figure 3As shown, the outlet of the oxygen supply high-pressure blower 9 is connected to the inlet of the hot air variable frequency oxygen supply mechanism 3. The oxygen supply high-pressure blower 9 is used to deliver atmospheric pressure combustion air into the hot air variable frequency oxygen supply mechanism 3.

[0022] Specifically, such as Figure 3 As shown, the outlet of the hot air variable frequency oxygen supply mechanism 3 is connected to the inlet of the linear burner 2, and the preheated air can be sent into the interior of the linear burner 2 to participate in the combustion reaction.

[0023] Specifically, such as Figure 5 As shown, an insulation sleeve 10 is fixedly connected to the surface of the linear burner 2 body.

[0024] Specifically, such as Figure 3 As shown, the cavity inside the linear burner 2 is a waste heat accumulation and storage cavity. Several thermally conductive high-alumina balls 502 are arranged in close contact with the inner wall of the cavity to absorb the excess heat generated by combustion and store it inside the cavity.

[0025] Specifically, such as Figure 3 As shown, a blower 11 is installed on the heat storage air outlet duct 8, which can draw out the hot air stored in the cavity.

[0026] Specifically, such as Figure 4 As shown, a control box 12 is bolted to the left side of the outer casing 1, and a touch screen 13 is installed inside the control box 12.

[0027] In this embodiment: by setting an insulation sleeve 10 to wrap around the outer wall of the linear burner 2, heat loss is reduced, and the insulation effect and energy saving rate are improved. By setting an air supply fan 11 to be installed on the heat storage air outlet duct 8, the waste heat airflow in the waste heat recovery box 501 is actively extracted and sent to the hot air oxygen supply mechanism. By setting a control box 12, the core of the whole machine's electrical control, signals are received, logic operations are performed, and all fans, motors and burners are controlled to run automatically. By setting a touch screen 13, a human-machine interface is provided for setting temperature, air volume and operating mode, displaying equipment status in real time, and realizing manual or automatic control.

[0028] Working principle: When the equipment is working, the high-pressure oxygen supply fan 9 sends outside air into the hot air variable frequency oxygen supply mechanism 3. The proportional motor 4 synchronously adjusts the gas flow and delivers it to the linear burner 2. The air and gas mix and burn in the burner to generate high-temperature hot air. During the combustion process, the heat-conducting high-alumina balls 502 in the waste heat recovery box 501 inside the linear burner 2 continuously absorb and store excess heat. The high-temperature circulating fan 6 draws out the high-temperature hot air in the furnace and delivers it to the outside through the air belt 7 to achieve heating. After the air supply fan 11 is started, the waste heat stored in the waste heat recovery box 501 is sent back to the hot air variable frequency oxygen supply mechanism 3 through the heat storage air outlet pipe 8 to preheat the newly introduced air. The preheated air re-enters the linear burner 2 to participate in combustion, forming a complete energy-saving cycle of waste heat recovery - preheating combustion air - high-efficiency combustion - external heating. The PLC control cabinet and touch screen 13 realize the full automatic control.

[0029] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-efficiency energy-saving gas stove, comprising a shell (1), characterized in that: The interior of the outer shell (1) is equipped with a linear burner (2), a hot air variable frequency oxygen supply mechanism (3), a proportional motor (4), a waste heat recovery component (5), a high temperature circulating fan (6), a wind belt (7), a heat storage air outlet pipe (8), and an oxygen supply high pressure fan (9). The waste heat recovery assembly (5) includes a waste heat recovery box (501), and several thermally conductive high-alumina balls (502) are fixedly connected inside the waste heat recovery box (501). The waste heat recovery box (501) is located inside the linear burner (2).

2. The high-efficiency energy-saving gas stove according to claim 1, characterized in that: The proportional motor (4) is installed at the gas inlet end of the linear burner (2). The proportional motor (4) is used to regulate the gas flow rate and achieve precise adjustment of the gas supply.

3. The high-efficiency energy-saving gas stove according to claim 1, characterized in that: The outlet of the oxygen supply high-pressure blower (9) is connected to the inlet of the hot air variable frequency oxygen supply mechanism (3). The oxygen supply high-pressure blower (9) is used to deliver atmospheric pressure combustion air into the hot air variable frequency oxygen supply mechanism (3).

4. The high-efficiency energy-saving gas stove according to claim 1, characterized in that: The outlet of the hot air variable frequency oxygen supply mechanism (3) is connected to the inlet of the linear burner (2), and the preheated air can be sent into the interior of the linear burner (2) to participate in the combustion reaction.

5. A high-efficiency energy-saving gas stove according to claim 1, characterized in that: The surface of the linear burner (2) body is fixedly connected with an insulation sleeve (10).

6. The high-efficiency energy-saving gas stove according to claim 1, characterized in that: The cavity inside the linear burner (2) is a waste heat accumulation and storage cavity. Several thermally conductive high-alumina balls (502) are arranged in close contact with the inner wall of the cavity to absorb the excess heat generated by combustion and store it inside the cavity.

7. A high-efficiency energy-saving gas stove according to claim 1, characterized in that: The heat storage air outlet pipe (8) is equipped with a blower (11), which can draw out the hot air stored in the cavity.

8. A high-efficiency energy-saving gas stove according to claim 1, characterized in that: A control box (12) is bolted to the left side of the outer casing (1), and a touch screen (13) is installed inside the control box (12).

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