Firepower separate control combustion furnace

Abstract

The invention relates to the technical field of combustors, and discloses a firepower separate control combustion furnace which comprises a combustor, the interior of the combustor is divided into a first gas mixing chamber and a second gas mixing chamber, the top side of the combustor is provided with a plurality of first fire outlet holes communicated with the first gas mixing chamber, the first fire outlet holes are formed around the center of the combustor, and the second fire outlet holes are communicated with the second gas mixing chamber; a plurality of second fire outlet holes communicating with the second gas mixing chamber are formed in the top side of the combustor and surround the center of the combustor; the gas distribution assembly can supply gas to the first gas mixing chamber and / or the second gas mixing chamber, fire outlet subareas which can be independently controlled are formed, different positions of the cookware can be heated, and therefore different fire power requirements can be met, and the use flexibility and the heat efficiency are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of burners, in particular to a firepower-controlled combustion furnace. Background Art

[0002] Current combustion furnaces can usually only uniformly control the fire output of the entire area when working. When the combustion furnace needs to heat a pot with two chambers, since the boiling points of the liquids in the two chambers are different, the required fire power is also different. At this time, uniformly controlling the fire output of the entire area is difficult to meet the use needs of the two chambers at the same time. Therefore, there is an urgent need for a combustion furnace that can control the fire power in different zones. Summary of the Invention

[0003] The object of the present invention is to provide a combustion furnace with separately controlled firepower to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0004] The solution of the present invention to solve its technical problems is:

[0005] A fire-power-controlled combustion furnace comprises: a burner, which is internally divided into a first gas mixing chamber and a second gas mixing chamber, a first fire outlet hole connected to the first gas mixing chamber is provided on the top side of the burner, and a plurality of the first fire outlet holes are provided around the center of the burner, a second fire outlet hole connected to the second gas mixing chamber is provided on the top side of the burner, and a plurality of the second fire outlet holes are provided around the center of the burner; and a gas distribution component, which can supply gas to the first gas mixing chamber and / or the second gas mixing chamber.

[0006] This technical solution has at least the following beneficial effects: a plurality of first fire holes on the top side of the burner form a first fire zone, and a plurality of second fire holes form a second fire zone. When in use, the working states of the first fire zone and the second fire zone can be controlled separately according to different usage needs. Specifically, the gas distribution component only supplies gas to the first mixing chamber, and the gas in the first mixing chamber is dispersed outward through the plurality of first fire holes and burns only in the area covered by the plurality of first fire holes; or the gas distribution component only supplies gas to the second mixing chamber, and the gas in the second mixing chamber is dispersed outward through the plurality of second fire holes and burns only in the area covered by the plurality of second fire holes; or the gas distribution component supplies gas to the first mixing chamber and the second mixing chamber at the same time, and the plurality of first fire holes and the plurality of second fire holes discharge gas and burn at the same time, thus forming independently controllable fire zones, which can heat different positions of the cookware separately, thereby adapting to different firepower requirements and improving usage flexibility and thermal efficiency.

[0007] As a further improvement of the above technical solution, the gas distribution assembly includes a gas distribution valve, an intake pipe, a first air distribution pipe and a second air distribution pipe. The gas distribution valve includes a valve seat and a valve core rotatably connected to the valve seat. A first channel and a first flow channel perpendicular to and connected to the first channel are provided in the valve seat. One end of the first channel is connected to the first gas mixing chamber through the first air distribution pipe, and the other end of the first channel is connected to the second gas mixing chamber through the second air distribution pipe. The intake pipe is connected to the first flow channel, and the valve core is located at the intersection of the first channel and the first flow channel. A second channel is provided at the position of the valve core corresponding to the first channel, and a second flow channel is provided at the position of the valve core corresponding to the first flow channel.

[0008] As a further improvement of the above technical solution, a first ejector pipe is formed on the outside of the burner at a position corresponding to the first mixing chamber, and the first gas distribution pipe is connected to an end of the first ejector pipe away from the burner. A second ejector pipe is formed on the outside of the burner at a position corresponding to the second mixing chamber, and the second gas distribution pipe is connected to an end of the second ejector pipe away from the burner.

[0009] As a further improvement of the above technical solution, the first ejector pipe and the second ejector pipe are respectively located on both sides of the burner.

[0010] As a further improvement of the above technical solution, a partition plate is provided in the burner, which divides the interior of the burner into the first mixing chamber and the second mixing chamber. The partition plate is located on both sides of the center of the burner to form a first arc portion and a second arc portion respectively. The opening of the first arc portion is opposite to the opening direction of the second arc portion. The exhaust direction of the first ejector tube is tangent to the side of the first arc portion away from the center of the burner, and the exhaust direction of the second ejector tube is tangent to the side of the second arc portion away from the center of the burner.

[0011] As a further improvement of the above technical solution, a first guide plate is provided in the first gas mixing chamber, one side of the first guide plate is opposite to the first ejector pipe, and the other side of the first guide plate extends to the middle of the first gas mixing chamber and is spirally arranged.

[0012] As a further improvement of the above technical solution, a second guide plate is provided in the second gas mixing chamber, one side of the second guide plate is opposite to the second ejector pipe, and the other side of the second guide plate extends to the middle of the second gas mixing chamber and is spirally arranged.

[0013] As a further improvement of the above technical solution, a first mixing tube is provided in the first ejector tube, and the first mixing tube can form a rotating airflow in the first ejector tube.

[0014] As a further improvement of the above technical solution, a second mixing tube is provided in the second ejector tube, and the second mixing tube can form a rotating airflow in the second ejector tube.

[0015] As a further improvement of the above technical solution, a control valve is provided on the air intake pipe.

[0016] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly describes the drawings required for describing the embodiments. Obviously, the drawings described only illustrate some embodiments of the present invention, not all embodiments. Those skilled in the art can derive other design solutions and drawings based on these drawings without inventive effort.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a schematic diagram of the connection structure of the burner and the gas distribution component of the present invention.

[0020] Figure 3 This is a schematic diagram of the internal ventilation structure of the gas distribution valve of the present invention. Figure 1 , where the arrows indicate the direction of airflow.

[0021] Figure 4 This is a schematic diagram of the internal ventilation structure of the gas distribution valve of the present invention. Figure 2 , where the arrows indicate the direction of airflow.

[0022] Figure 5 3 is a top view of the burner of the present invention, wherein the dotted lines indicate the partition plate, the first guide vane and the second guide vane, and the arrows indicate the airflow direction.

[0023] Figure 6 Schematic diagram of the internal structure of the first ejector tube of the present invention, wherein the arrows indicate the direction of airflow.

[0024] In the accompanying drawings: 100-burner, 110-first fire outlet, 120-second fire outlet, 130-first ejector pipe, 131-first mixing tube, 132-first straight section, 133-first narrowed section, 134-first connecting rib, 135-first guide groove, 140-second ejector pipe, 150-partition plate, 160-first guide plate, 170-second guide plate, 210-gas distribution valve, 211-valve seat, 212-valve core, 213-first channel, 214-first flow channel, 215-second channel, 216-second flow channel, 220-inlet pipe, 230-first gas distribution pipe, 240-second gas distribution pipe, 250-control valve. DETAILED DESCRIPTION

[0025] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0026] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0027] In the description of the present invention, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0029] Reference Figure 1 and Figure 2, a fire-power-controlled combustion furnace includes a burner 100 and a gas distribution assembly, wherein the burner 100 is internally divided into a first gas mixing chamber and a second gas mixing chamber, and a first fire outlet 110 connected to the first gas mixing chamber is provided on the top side of the burner 100, and a plurality of first fire outlet holes 110 are arranged around the center of the burner 100, and a second fire outlet hole 120 connected to the second gas mixing chamber is provided on the top side of the burner 100, and a plurality of second fire outlet holes 120 are arranged around the center of the burner 100. In actual application, the plurality of first fire outlet holes 110 are arranged in an arc shape on the top side of the burner 100, and similarly, the plurality of second fire outlet holes 120 are arranged in an arc shape on the top side of the burner 100; the gas distribution assembly can supply gas to the first gas mixing chamber, or to the second gas mixing chamber, or to the first gas mixing chamber and the second gas mixing chamber at the same time.

[0030] From the above, it can be seen that the multiple first fire holes 110 on the top side of the burner 100 form a first fire zone, and the multiple second fire holes 120 form a second fire zone. When in use, the working states of the first fire zone and the second fire zone can be controlled separately according to different usage needs. Specifically, the gas distribution component only supplies gas to the first mixing chamber. At this time, the gas in the first mixing chamber is dispersed outward through the multiple first fire holes 110 and burns only in the area covered by the multiple first fire holes 110; or the gas distribution component only supplies gas to the second mixing chamber. At this time, the gas in the second mixing chamber is dispersed outward through the multiple second fire holes 120 and burns only in the area covered by the multiple second fire holes 120; or the gas distribution component supplies gas to the first mixing chamber and the second mixing chamber at the same time. At this time, the multiple first fire holes 110 and the multiple second fire holes 120 emit gas and burn at the same time, thus forming independently controllable fire zones, which can heat different positions of the cookware separately, thereby adapting to different firepower requirements and improving usage flexibility and thermal efficiency.

[0031] As a specific structural form of the gas distribution component, such as Figure 3 、 Figure 4As shown, in this embodiment, the gas distribution assembly includes a gas distribution valve 210, an air intake pipe 220, a first air distribution pipe 230 and a second air distribution pipe 240. The gas distribution valve 210 includes a valve seat 211 and a valve core 212 rotatably connected to the valve seat 211. A first channel 213 and a first flow channel 214 perpendicular to and connected to the first channel 213 are provided in the valve seat 211. One end of the first channel 213 is connected to the first gas mixing chamber through the first air distribution pipe 230, and the other end of the first channel 213 is connected to the second gas mixing chamber through the second air distribution pipe 240. The air intake pipe 220 is connected to the first flow channel 214. The valve core 212 is located at the intersection of the first channel 213 and the first flow channel 214. The position of the valve core 212 corresponding to the first channel 213 is provided with a second channel 215, and the position of the valve core 212 corresponding to the first flow channel 214 is provided with a second flow channel 216.

[0032] In this embodiment, when the second channel 215 is opposite to the first channel 213 and the second flow channel 216 is opposite to the first flow channel 214, when the air inlet pipe 220 is ventilated, the air flow enters the second flow channel 216 from the first flow channel 214, is divided into the two ends of the second channel 215 within the valve core 212, and flows into the two ends of the first channel 213 respectively, and finally enters the first and second air mixing chambers through the first and second air distribution pipes 230 and 240 respectively. This is a state in which air is supplied to the first and second air mixing chambers at the same time. When it is necessary to supply air only to the first mixing chamber, the valve core 212 is rotated so that the second flow channel 216 is opposite to the first diverter pipe. At this time, one end of the second channel 215 is opposite to the first flow channel 214, and the other end is opposite to the inner wall of the valve seat 211 and is closed. The air inlet pipe 220 is ventilated, and the air flows through the first flow channel 214, the second channel 215, the second flow channel 216, and the first channel 213 in sequence and then enters the first diverter pipe. When it is necessary to supply air only to the second mixing chamber, the valve core 212 is rotated so that the first flow channel 214 is opposite to the second diverter pipe. Flow pipe, at this time, one end of the second channel 215 is opposite to the second flow channel 216, and the other end is opposite to the inner wall of the valve seat 211 and is closed, the air inlet pipe 220 is ventilated, and the air flows through the first flow channel 214, the second channel 215, the second flow channel 216, the first channel 213 in sequence and then enters the second diverter pipe. In actual application, the valve core 212 can also be rotated to change the connecting area between the first flow channel 214 and the second channel 215, thereby changing the air intake volume to achieve the purpose of controlling the size of the fire. For example, the valve core 212 can be rotated to adjust the flow rate. 12 When the communicating area between the first flow channel 214 and the second channel 215 is reduced, the air intake can be reduced, thereby reducing the fire output; conversely, the valve core 212 is rotated to increase the communicating area between the first flow channel 214 and the second channel 215, which can increase the air intake and thereby increase the fire output; when the entire burner 100 needs to be closed, the valve core 212 is rotated so that the second flow channel 216 is opposite to the inner wall of the valve seat 211 and the first flow channel 214 is opposite to the outer side of the valve core 212, and air cannot be ventilated into the valve core 212 to achieve the closing of the fire output.

[0033] When the air intake pipe 220 only supplies gas, a structure for introducing air needs to be provided on the burner 100. Specifically, a first ejector pipe 130 is formed on the outside of the burner 100 at a position corresponding to the first mixing chamber, and the first gas distribution pipe 230 is connected to the end of the first ejector pipe 130 away from the burner 100. Naturally, a first air inlet for outside air to enter is provided at the end of the first ejector pipe 130 away from the burner 100, and a second ejector pipe 140 is formed on the outside of the burner 100 at a position corresponding to the second mixing chamber, and the second gas distribution pipe 240 is connected to the end of the second ejector pipe 140 away from the burner 100. Similarly, a second air inlet for outside air to enter is provided at the end of the second ejector pipe 140 away from the burner 100. When the intake pipe 220 inputs gas and enters the first gas distribution pipe 230, the gas first enters the first ejector pipe 130, mixes with the air entering the first ejector pipe 130, and then is injected into the first gas mixing chamber for further mixing, thereby improving the mixing effect of the gas and air; similarly, when the intake pipe 220 inputs gas and enters the second gas distribution pipe 240, the gas first enters the second ejector pipe 140, mixes with the air entering the second ejector pipe 140, and then is injected into the second gas mixing chamber for further mixing.

[0034] To reduce interference between the first and second ejector tubes 130, 140 when air is introduced, in this embodiment, the first and second ejector tubes 130, 140 are located on either side of the burner 100. During operation, the first and second ejector tubes 130, 140 draw air into the burner 100 from either side, thereby ensuring a consistent air supply to the first and second ejector tubes 130, 140.

[0035] The burner 100 is provided with a structure for separating the internal space, which can be a flat plate. In order to cooperate with the first ejector pipe 130 to intake air into the burner 100 and improve the intake efficiency, Figure 5As shown, in this embodiment, a partition plate 150 is provided in the burner 100, and the partition plate 150 divides the interior of the burner 100 into the first mixing chamber and the second mixing chamber. The partition plate 150 is located on both sides of the center of the burner 100 to form a first arc portion and a second arc portion respectively. The opening of the first arc portion is opposite to the opening direction of the second arc portion. The exhaust direction of the first ejector pipe 130 is tangent to the side of the first arc portion away from the center of the burner 100, and the exhaust direction of the second ejector pipe 140 is tangent to the side of the second arc portion away from the center of the burner 100. When the first ejector tube 130 supplies the mixed gas into the first mixing chamber and the second ejector tube 140 supplies the mixed gas into the second mixing chamber, since the gas outlet direction of the first ejector tube 130 is tangent to the side of the first curved portion away from the center of the burner 100 and the gas outlet direction of the second ejector tube 140 is tangent to the side of the second curved portion away from the center of the burner 100, the mixed gas can flow along the first curved portion and the second curved portion, which is conducive to the mixed gas smoothly entering the first mixing chamber and the second mixing chamber, and forming a rotating airflow in the first mixing chamber and the second mixing chamber, thereby enhancing the effect of further diffusion and mixing of the mixed gas in the first mixing chamber and the second mixing chamber.

[0036] To further enhance the diffusion and mixing of the mixed gas within the first mixing chamber, in this embodiment, a first guide vane 160 is provided within the first mixing chamber. One side of the first guide vane 160 faces the first ejector tube 130, while the other side of the first guide vane 160 extends to the center of the first mixing chamber and is arranged in a spiral pattern. A guide gap is formed between the first guide vane 160 and the first curved portion. When the mixed gas enters the first mixing chamber, a portion enters the guide gap and flows to a position near the second curved portion of the first mixing chamber. Another portion, guided by the first guide vane 160, flows to the center of the first mixing chamber. Further upward, the mixed gas rises and mixes as the spiral first guide vane 160 rotates. As the mixed gas flows upward out of the first guide vane 160 and toward the inner top of the first mixing chamber, it is dispersed and distributed in all directions. This facilitates further mixing of the mixed gas within the first mixing chamber and allows it to be evenly and quickly directed to the multiple first ignition holes 110.

[0037] To further enhance the diffusion and mixing of the mixed gas within the first mixing chamber, in this embodiment, a second guide vane 170 is provided within the second mixing chamber. One side of the second guide vane 170 faces the second ejector tube 140, while the other side of the second guide vane 170 extends to the middle of the second mixing chamber and is arranged in a spiral pattern. A guide gap is formed between the second guide vane 170 and the second curved portion. When the mixed gas enters the second mixing chamber, a portion of the mixed gas enters the guide gap and flows to a position in the second mixing chamber near the first curved portion. Another portion of the mixed gas flows under the guidance of the second guide vane 170 to the middle of the second mixing chamber, where it further rises and mixes as the spiral second guide vane 170 rotates. As the mixed gas flows upward out of the second guide vane 170 and toward the inner top of the second mixing chamber, it is dispersed and flows in all directions. This facilitates further mixing of the mixed gas within the second mixing chamber and allows it to be evenly and quickly directed to the multiple second ignition holes 120.

[0038] In order to improve the mixing effect of air and gas in the first ejector tube 130, Figure 6 As shown, in this embodiment, a first mixing tube 131 is disposed within the first ejector tube 130. The first mixing tube 131 can generate a swirling airflow within the first ejector tube 130. The swirling airflow can promote premixing of air and combustion within the first ejector tube 130, thereby improving the gas utilization rate and thermal efficiency during the final exhaust.

[0039] There are many ways for the first mixing tube 131 to form a rotating airflow in the first ejector tube 130. For example, a plurality of spirally extending grooves are directly provided on the inner wall of the first ejector tube 130. When the gas and air pass through the grooves, they will be guided to rotate and mix. In order to further improve the efficiency of mixing of air and gas in the first ejector tube 130, in this embodiment, the first ejector tube 130 includes a first straight section 132 and a first narrowed section 133 connected to each other, a first connecting rib 134 is connected between the outer side of the first mixing tube 131 and the inner side of the first straight section 132, a first swirl gap is formed between the first mixing tube 131 and the first straight section 132, a plurality of first guide grooves 135 are provided on the outer side of the first mixing tube 131, and the plurality of first guide grooves 135 extend spirally on the outer side of the first mixing tube 131. When air and gas enter the first straight section 132, part of the mixed gas enters the first mixing tube 131, and part of the mixed gas enters the first swirl gap formed between the outer side of the first mixing tube 131 and the inner side of the first straight section 132. This part of the mixed gas forms an airflow rotating around the outer side of the first mixing tube 131 under the guidance of multiple first guide grooves 135. The first mixing tube 131 is used to spatially separate the mixed gas, so that a laminar flow with a stronger flow rate can be formed on the outer side of the first mixing tube 131, thereby enhancing the disturbance and mixing of the airflow at the external position. When flowing out of the first swirl gap, the mixed gas in the first mixing tube 131 can also be driven to rotate and mix. When reaching the first narrowed section 133, the swirling mixed gas can be further compressed toward the axis of the first narrowed section 133, thereby enhancing the disturbance and mixing of the mixed gas at the middle position. Finally, it flows out of the first narrowed section 133, thereby forming an airflow with a higher speed and a better mixing effect.

[0040] To enhance the mixing of air and gas within the second ejector tube 140, in this embodiment, a second mixing tube is provided within the second ejector tube 140. The second mixing tube can create a swirling airflow within the second ejector tube 140. The swirling airflow promotes premixing of air and gas within the second ejector tube 140, thereby improving gas utilization and thermal efficiency during final exhaust.

[0041] Similarly, the second mixing tube can form a rotating airflow in the second ejector tube 140 in a variety of ways. For example, a plurality of spirally extending grooves are directly provided on the inner wall of the second ejector tube 140. When the gas and air pass through the grooves, they will be guided to rotate and mix. In order to further improve the efficiency of mixing of air and gas in the second ejector tube 140, in this embodiment, the second ejector tube 140 includes a second straight section and a second narrowed section connected to each other, a second connecting rib is connected between the outer side of the second mixing tube and the inner side of the second straight section, a second swirl gap is formed between the second mixing tube and the second straight section, a plurality of second guide grooves are provided on the outer side of the second mixing tube, and the plurality of second guide grooves extend spirally on the outer side of the second mixing tube. When air and gas enter the second straight section, part of the mixed gas enters the second mixing tube, and part of the mixed gas enters the second swirl gap formed by the outside of the second mixing tube and the inside of the second straight section. This part of the mixed gas forms an airflow rotating around the outside of the second mixing tube under the guidance of multiple second guide grooves. The second mixing tube is used to spatially separate the mixed gas, so that a laminar flow with a stronger flow rate can be formed on the outside of the second mixing tube, and the disturbance and mixing of the airflow at the external position can be enhanced. When flowing out of the second swirl gap, the mixed gas from the second mixing tube can also be driven to rotate and mix. When reaching the second narrowed section, the swirling mixed gas can be further compressed toward the axis of the second narrowed section, so as to enhance the disturbance and mixing of the mixed gas at the middle position, and finally flow out from the second narrowed section, forming an airflow with a higher speed and better mixing effect.

[0042] In the above embodiment, the gas flow to the plurality of first ignition holes 110 and the plurality of second ignition holes 120 can be stopped by rotating the valve core 212. To improve safety, the air inlet pipe 220 is provided with a control valve 250. The control valve 250 can directly close and open the air inlet pipe 220, thereby improving the flexibility and safety of the overall control.

[0043] In actual application, the burner 100 is also provided with a flame sensing needle. When the burner 100 is working, the flame can heat the sensing end of the flame sensing needle. When there is fire, a signal to open the control valve 250 is output, and when the fire is extinguished, a signal to close the control valve 250 is output.

[0044] An anti-dry-burning sensing needle and a pot weight sensing needle are also provided on the top side of the burner 100. When the anti-dry-burning sensing needle detects a high temperature of dry burning, it outputs a signal to close the control valve 250. When the pot weight sensing needle detects that there is no pot within the duration, it outputs a signal to close the control valve 250.

[0045] The above specifically describes the preferred embodiments of the present invention, but the invention is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A combustion furnace with separately controlled firepower, characterized in that: include: A burner (100) is provided with a first gas mixing chamber and a second gas mixing chamber formed therein. A first fire outlet (110) communicating with the first gas mixing chamber is provided on the top side of the burner (100), and a plurality of the first fire outlets (110) are provided around the center of the burner (100). A second fire outlet (120) communicating with the second gas mixing chamber is provided on the top side of the burner (100), and a plurality of the second fire outlets (120) are provided around the center of the burner (100). The gas distribution component can supply gas to the first gas mixing chamber and / or the second gas mixing chamber.

2. A combustion furnace with separately controlled firepower according to claim 1, characterized in that: The gas distribution assembly comprises a gas distribution valve (210), an air intake pipe (220), a first gas distribution pipe (230) and a second gas distribution pipe (240); the gas distribution valve (210) comprises a valve seat (211), a valve core (212) rotatably connected to the valve seat (211); a first channel (213) and a first flow channel (214) perpendicular to and connected to the first channel (213) are provided in the valve seat (211); one end of the first channel (213) is connected to the first gas mixing chamber through the first gas distribution pipe (230) The other end of the first channel (213) is connected to the second gas mixing chamber through the second gas distribution pipe (240), the intake pipe (220) is connected to the first flow channel (214), the valve core (212) is located at the intersection of the first channel (213) and the first flow channel (214), the valve core (212) is provided with a second channel (215) at a position corresponding to the first channel (213), and the valve core (212) is provided with a second flow channel (216) at a position corresponding to the first flow channel (214).

3. The fire-power-controlled combustion furnace according to claim 2, characterized in that: A first ejector pipe (130) is formed on the outside of the burner (100) at a position corresponding to the first gas mixing chamber, and the first gas distribution pipe (230) is connected to an end of the first ejector pipe (130) away from the burner (100). A second ejector pipe (140) is formed on the outside of the burner (100) at a position corresponding to the second gas mixing chamber, and the second gas distribution pipe (240) is connected to an end of the second ejector pipe (140) away from the burner (100).

4. The combustion furnace with separately controlled firepower according to claim 3, characterized in that: The first ejector tube (130) and the second ejector tube (140) are respectively located on two sides of the burner (100).

5. The combustion furnace with separately controlled firepower according to claim 3, characterized in that: A partition plate (150) is provided in the burner (100), and the partition plate (150) divides the interior of the burner (100) into the first gas mixing chamber and the second gas mixing chamber. The partition plate (150) is located on both sides of the center of the burner (100) to form a first arc portion and a second arc portion respectively. The opening of the first arc portion is opposite to the opening direction of the second arc portion. The gas outlet direction of the first ejector tube (130) is tangent to the side of the first arc portion away from the center of the burner (100), and the gas outlet direction of the second ejector tube (140) is tangent to the side of the second arc portion away from the center of the burner (100).

6. The combustion furnace with separately controlled firepower according to claim 5, characterized in that: A first guide plate (160) is provided in the first gas mixing chamber, one side of the first guide plate (160) is opposite to the first ejector tube (130), and the other side of the first guide plate (160) extends to the middle of the first gas mixing chamber and is spirally arranged.

7. The combustion furnace with separately controlled firepower according to claim 5, characterized in that: A second guide plate (170) is provided in the second gas mixing chamber, one side of the second guide plate (170) is opposite to the second ejector tube (140), and the other side of the second guide plate (170) extends to the middle of the second gas mixing chamber and is spirally arranged.

8. The combustion furnace with separately controlled firepower according to claim 3, characterized in that: A first mixing tube (131) is provided in the first ejector tube (130), and the first mixing tube (131) can form a rotating airflow in the first ejector tube (130).

9. The combustion furnace with separately controlled firepower according to claim 3, characterized in that: A second mixing tube is provided in the second ejector tube (140), and the second mixing tube can form a rotating airflow in the second ejector tube (140).

10. The combustion furnace with separately controlled firepower according to claim 2, characterized in that: A control valve (250) is provided on the air intake pipe (220).

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