Gas distribution and blasting structure and gas stove

Abstract

The present invention provides a gas distribution and blasting structure, comprising a burner head, an ejector mixing pipe, an air intake pipe and a blower, the ejector mixing pipe is installed at the outer ring air intake of the burner head, the air intake pipe is located at the air intake end of the ejector mixing pipe, a gas distribution ring is arranged between the ejector mixing pipe and the air intake pipe, the gas distribution ring and the air intake end of the ejector mixing pipe form a first air cavity connected to a second air pipe, the gas distribution ring and the air intake pipe form a second air cavity, the second air cavity is respectively connected to the blower and the air intake pipe to blow air to the ejector pipe, a nozzle connected to the first air pipe is arranged at the air intake of the air intake pipe, a plurality of air holes connected to the inner wall of the gas distribution ring are arranged on the first air cavity, the mixed gas of the burner can be fully burned through the cooperation of the air intake pipe, the ejector mixing pipe, the gas distribution ring and the blower when a large fire occurs.

Description

Technical Field

[0001] The invention relates to a gas distribution and blowing structure and a gas stove. Background Art

[0002] Existing stoves are prone to produce yellow flames and red flames due to incomplete combustion, resulting in a waste of gas. At the same time, due to the promotion of energy conservation and environmental protection, many stoves have insufficient firepower and cannot meet the needs of users. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide a gas distribution and blowing structure and a gas stove to solve at least one of the problems of insufficient combustion of a stove burner and insufficient stove firepower.

[0004] In order to achieve the above object, the present invention adopts the following scheme:

[0005] A gas distribution and blasting structure comprises a burner head, an ejector mixing pipe, an air intake pipe and a blower, the ejector mixing pipe is installed at the outer ring air intake of the burner head, the air intake pipe is located at the air intake end of the ejector mixing pipe, a gas distribution ring is arranged between the ejector mixing pipe and the air intake pipe, the gas distribution ring and the air intake end of the ejector mixing pipe form a first air cavity connected to a second air pipe, the gas distribution ring and the air intake pipe form a second air cavity, the second air cavity is respectively connected to the blower and the air intake pipe for blowing, a nozzle connected to the first air pipe is arranged at the air intake of the air intake pipe, a plurality of air holes connected to the inner wall of the gas distribution ring are arranged on the first air cavity, and air is blown through the air intake pipe, the ejector mixing pipe, the gas distribution ring and the blower The cooperation ensures that when the fire is high, the mixed gas of the burner can be fully burned. The gas ejected from the nozzle brings the air into the air inlet end of the air pipe to form a primary mixed gas. When the primary mixed gas exits the air inlet pipe and enters the valve ring, the air of the blower mixes with the primary mixed gas to form a secondary mixed gas. Under the action of the rotating air of the blower, the secondary mixed gas is quickly mixed and enters the induced mixing pipe to reach the burner head for combustion. When the fire is fierce, when the secondary mixed gas passes through the first air cavity section, the gas of the first air cavity enters the secondary mixed gas to form a tertiary mixed gas, which is mixed through the induced mixing pipe to reach the burner head for fierce combustion. This structure can be applied to existing burners, has strong versatility, and is easy and convenient to install.

[0006] In one or more embodiments, a solenoid valve is provided on the second gas pipe, and the solenoid valve is controlled to connect or close the second gas pipe to achieve a fierce fire or a large fire.

[0007] In one or more embodiments, the air inlet end of the ejector mixing pipe extends outward to form an air inlet cap, the air distribution ring is installed in the air inlet cap, and a partition plate extending outward is provided at the lower end of the air distribution ring, and the partition plate and the air inlet cap are combined to form a first air cavity.

[0008] In one or more embodiments, the intake pipe forms a conical intake port, the partition plate, the outer wall of the intake port and the inner wall of the intake pipe are combined to form a second air cavity, the intake port of the valve ring forms a funnel shape, and the intake port of the valve ring corresponds to the outlet of the intake pipe.

[0009] In one or more embodiments, the air inlet on the second air cavity is arranged along the inner wall of the second air cavity to form a cyclone so as to quickly mix air and gas to form mixed gas, thereby improving combustion efficiency and combustion effect.

[0010] In one or more embodiments, the burner head and the ejector mixing pipe, the air intake pipe and the gas distribution ring combination can form a vertical combination or a horizontal combination. When it is a vertical combination, the burner head is provided with a central furnace cavity and an annular outer ring furnace cavity. The outer ring furnace cavity and the central furnace cavity are connected by a plurality of bridges. The outer ring furnace cavity is provided with a combustible gas inlet connected to the ejector mixing pipe.

[0011] In one or more embodiments, the lower end of the central furnace cavity is open, and a conical guide protrusion is provided on the lower side of the center of the central furnace cavity; a central air outlet is provided on the connecting bridge, and the central air outlet is connected to the central furnace cavity through the connecting bridge to extend the mixing length, reduce the volume of a single mixing gas, and improve the mixing effect, thereby improving the combustion efficiency and combustion effect of the center.

[0012] In one or more embodiments, the air inlet pipe is further provided with a central air pipe, a central nozzle is provided at the lower end of the central air pipe, and a central ejector mixing pipe is provided between the central furnace cavity and the central air pipe.

[0013] In one or more embodiments, when it is a horizontal combination, a horizontally arranged central ejector tube and a horizontally arranged outer ring ejector tube are arranged on the burner head, the outer ring ejector tube is obliquely connected to the outer ring gas mixing chamber upward, and the central ejector tube is obliquely connected to the central gas mixing chamber upward.

[0014] A gas stove comprises the above-mentioned gas distribution and air blowing structure.

[0015] Beneficial effect: The present invention provides a gas distribution and blasting structure, which enables the mixed gas of the burner to burn fully during a high fire through the coordination of the air intake pipe, the ejector mixing pipe, the gas distribution ring and the blower. The gas ejected from the nozzle brings the air entering the air intake end of the air intake pipe to form a primary mixed gas. When the primary mixed gas exits the air intake pipe and enters the gas distribution ring, the air of the blower mixes with the primary mixed gas to form a secondary mixed gas. The secondary mixed gas is quickly mixed under the action of the rotating air of the blower and enters the ejector pipe to reach the burner head for combustion. When the fire is fierce, when the secondary mixed gas passes through the first air cavity section, the gas of the first air cavity enters the secondary mixed gas to form a tertiary mixed gas, which is mixed through the ejector mixing pipe to reach the burner head for fierce combustion. The structure can be applied to existing burners, has strong versatility, and is easy and convenient to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a gas distribution and air blast structure of a gas distribution and air blast structure according to an embodiment of the present invention.

[0017] Figure 2 It is a schematic cross-sectional structure diagram of a gas distribution and air blast structure of a gas distribution and air blast structure according to an embodiment of the present invention.

[0018] Figure 3 It is a partially enlarged view of the gas distribution and air blowing structure of the first embodiment of the present invention.

[0019] Figure 4 It is a structural schematic diagram of the ejector mixing pipe of the gas distribution and blast structure of the gas distribution and blast structure according to an embodiment of the present invention.

[0020] Figure 5 It is a structural schematic diagram of an air intake pipe of a gas distribution and air blast structure of an embodiment of the present invention.

[0021] Figure 6 It is a schematic diagram of the gas distribution ring structure of the gas distribution and air blast structure according to an embodiment of the present invention.

[0022] Figure 7 It is a structural schematic diagram of a burner head with a gas distribution and blast structure according to an embodiment of the present invention.

[0023] Figure 8 It is a structural schematic diagram of the gas distribution and air blast structure of the gas distribution and air blast structure according to the second embodiment of the present invention.

[0024] Fig. 9 It is a schematic cross-sectional structure diagram of a gas distribution and air blast structure of a gas distribution and air blast structure according to a second embodiment of the present invention. DETAILED DESCRIPTION

[0025] The present application scheme is further described as follows in conjunction with the accompanying drawings:

[0026] Embodiment 1:

[0027] See attached Figure 1-7A gas distribution and blasting structure comprises a burner 1, an ejector mixing pipe 2, an air intake pipe 3 and a blower 4, wherein the ejector mixing pipe 2 is installed at an outer ring air intake port 111 of the burner 1, the air intake pipe 3 is located at the air intake end of the ejector mixing pipe 2, a gas distribution ring 5 is arranged between the ejector mixing pipe 2 and the air intake pipe 3, the gas distribution ring 5 and the air intake end of the ejector mixing pipe 2 form a first air cavity 51 connected to a second air pipe 6, the gas distribution ring 5 and the air intake pipe 3 form a second air cavity 52, the second air cavity 52 is respectively connected to the blower 4 and the air intake pipe 3 for blasting, a nozzle 31 connected to a first air pipe 7 is arranged at the air intake port of the air intake pipe 3, a plurality of air holes 53 connected to the inner wall of the gas distribution ring 5 are arranged on the first air cavity 51, and a gas distribution ring 5 is arranged on the first air cavity 51 through the air intake pipe 3, the ejector mixing pipe 2 and the air intake end of the ejector mixing pipe 2 form a first air cavity 51 connected to a second air pipe 6, the gas distribution ring 5 and the air intake pipe 3 form a second air cavity 52, the second air cavity 52 is respectively connected to the blower 4 and the air intake pipe 3 for blasting. The cooperation of the gas pipe 2, the gas distribution ring 5 and the blower 4 enables the mixed gas of the burner to burn fully when the stove is on high fire. The gas sprayed from the nozzle brings the air into the air inlet end of the gas pipe 3 to form a primary mixed gas. When the primary mixed gas exits the air inlet pipe 3 and enters the gas distribution ring 5, the air of the blower 4 mixes with the primary mixed gas to form a secondary mixed gas. Under the action of the rotating air of the blower 4, the secondary mixed gas is quickly mixed and enters the induced mixing pipe 2 to reach the burner head 1 for combustion. When it is a fierce fire, when the secondary mixed gas passes through the first air cavity 51, the gas of the first air cavity 51 enters the secondary mixed gas to form a tertiary mixed gas, which is mixed through the induced mixing pipe 2 to reach the burner head for fierce fire combustion. This structure can be applied to existing burners, has strong versatility, and is easy and convenient to install.

[0028] Furthermore, a solenoid valve 8 is provided on the second gas pipe 6, and the second gas pipe 6 is connected or closed by controlling the solenoid valve 8 to achieve a fierce fire or a large fire.

[0029] Furthermore, the air inlet end of the ejector mixing pipe 2 extends outward to form an air inlet cap 21, the air distribution ring 5 is installed in the air inlet cap 21, and the lower end of the air distribution ring 5 is provided with a partition plate 54 extending outward, and the partition plate 54 is combined with the air inlet cap 21 to form a first air cavity 51.

[0030] Preferably, a mounting plate 55 is provided on the top of the valve ring 5 , and the mounting plate 55 is installed in the air intake cap 21 .

[0031] Furthermore, the intake pipe 3 forms a conical intake port 56 , the partition plate 54 and the outer wall of the intake port 56 and the inner wall of the intake pipe 3 are combined to form a second air cavity 52 , and the intake port 56 of the valve ring 5 forms a funnel shape, and the intake port 56 of the valve ring 5 corresponds to the outlet of the intake pipe 3 .

[0032] Furthermore, the air inlet on the second air cavity 52 is arranged along the inner wall of the second air cavity 52 to form a cyclone so as to quickly mix the air and the gas to form a mixed gas, thereby improving the combustion efficiency and the combustion effect.

[0033] Furthermore, the burner head 1 and the ejector mixing pipe 2, the air intake pipe 3 and the gas distribution ring 5 can form a vertical combination or a horizontal combination. When it is a vertical combination, the burner head 1 is provided with a central furnace cavity 12 and an annular outer ring furnace cavity 11. The outer ring furnace cavity 11 and the central furnace cavity 12 are connected by a plurality of bridges 13. The outer ring furnace cavity 11 is provided with a combustible gas inlet connected to the ejector mixing pipe 2.

[0034] Furthermore, the lower end of the central furnace cavity 12 is open, and a conical guide protrusion 121 is arranged at the center of the central furnace cavity 12, and a central air outlet 122 is arranged on the connecting bridge 13. The central air outlet 122 is connected to the central furnace cavity 12 through the connecting bridge 13 to extend the mixing length, reduce the single mixing volume, and improve the mixing effect, thereby improving the central combustion efficiency and combustion effect.

[0035] Furthermore, the air inlet pipe 3 is also provided with a central air pipe 33 , a central nozzle is provided at the lower end of the central air pipe 33 , and a central ejector mixing air pipe 22 is provided between the central furnace cavity 12 and the central air pipe 33 .

[0036] A gas stove comprises the above-mentioned gas distribution and air blowing structure.

[0037] Embodiment 2:

[0038] See attached Figure 8-9 The difference between this embodiment and the first embodiment is that: when it is a horizontal combination, the furnace head 1 is provided with a horizontally arranged central ejector tube 15 and a horizontally arranged outer ring ejector tube 14, the outer ring ejector tube 14 is obliquely connected to the outer ring mixing chamber upward, and the central ejector tube 15 is obliquely connected to the central mixing chamber upward.

[0039] The above-mentioned preferred implementation modes should be regarded as illustrative examples of the implementation modes of the present application scheme. Any technical deductions, replacements, improvements, etc. that are identical or similar to the present application scheme or made based on this scheme should be regarded as within the scope of protection of this patent.

Claims

1. A gas distribution and blasting structure, characterized in that: It includes a furnace head, an ejector mixing pipe, an air intake pipe and a blower, wherein the ejector mixing pipe is installed at the outer ring air intake of the furnace head, the air intake pipe is located at the air intake end of the ejector mixing pipe, a gas distribution ring is arranged between the ejector mixing pipe and the air intake pipe, the gas distribution ring and the air intake end of the ejector mixing pipe form a first air cavity connected to a second air pipe, the gas distribution ring and the air intake pipe form a second air cavity, the second air cavity is respectively connected to the blower and the air intake pipe for blowing, a nozzle connected to the first air pipe is arranged at the air intake of the air intake pipe, and a plurality of air holes connected to the inner wall of the gas distribution ring are arranged on the first air cavity; The air inlet end of the ejector mixing pipe extends outward to form an air inlet cap, the air distribution ring is installed in the air inlet cap, and a partition plate extending outward is arranged at the lower end of the air distribution ring, and the partition plate and the air inlet cap are combined to form a first air cavity; The air intake pipe forms a conical air intake port, the partition plate, the outer wall of the air intake port and the inner wall of the air intake pipe form a second air cavity, the air intake port of the valve ring forms a funnel shape, and the air intake port of the valve ring corresponds to the air outlet of the air intake pipe; The second gas pipe is provided with a solenoid valve, and the second gas pipe is connected or closed by controlling the solenoid valve to achieve fierce fire or large fire.

2. The gas distribution and blasting structure according to claim 1, characterized in that: The air inlet on the second air cavity is arranged along the inner wall of the second air cavity to form a cyclone.

3. The gas distribution and blasting structure according to claim 1, characterized in that: The combination of the burner head, the ejector mixing pipe, the air intake pipe and the gas distribution ring can form a vertical combination or a horizontal combination; when it is a vertical combination, the burner head is provided with a central furnace cavity and an annular outer ring furnace cavity, the outer ring furnace cavity and the central furnace cavity are connected by a plurality of connecting bridges, and the outer ring furnace cavity is provided with a combustible gas inlet connected to the ejector mixing pipe.

4. The gas distribution and blasting structure according to claim 3, characterized in that: The lower end of the central furnace cavity is open, and a conical flow-guiding protrusion is arranged on the lower side of the center of the central furnace cavity; a central air outlet is arranged on the connecting bridge, and the central air outlet is connected to the central furnace cavity through the connecting bridge.

5. The gas distribution and blasting structure according to claim 3, characterized in that: The air inlet pipe is also provided with a central air pipe, a central nozzle is provided at the lower end of the central air pipe, and a central ejection mixing air pipe is provided between the central furnace cavity and the central air pipe.

6. The gas distribution and blasting structure according to claim 3, characterized in that: When it is a horizontal combination, the burner head is provided with a horizontally arranged central ejector tube and a horizontally arranged outer ring ejector tube, the outer ring ejector tube is obliquely connected to the outer ring mixing chamber upward, and the central ejector tube is obliquely connected to the central mixing chamber upward.

7. A gas stove, characterized in that: Includes the gas distribution and blowing structure described in any one of items 1-6.

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