CN116518369A

CN116518369A - Premixing system

Info

Publication number: CN116518369A
Application number: CN202310533630.4A
Authority: CN
Inventors: 李静师
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-08-01

Abstract

The invention discloses a premixing system, which relates to the technical field of gas stoves and comprises a bottom shell and a stove frame assembly, wherein a base is arranged in the bottom shell, the bottom of a three-ring stove head is connected with a magnetic field fan, the top of an air inlet is connected with a nozzle, the surface of the bottom shell is provided with a panel, the stove frame assembly is arranged on the surface of the panel, the top of a bottom air inlet heat insulation plate is provided with an inner semi-closed energy collection plate, the inner bottom of the inner semi-closed energy collection plate is provided with a positioning groove, the inner bottom of the bottom air inlet heat insulation plate is provided with a through hole, and the bottom of the bottom air inlet heat insulation plate is connected with a blower. This premixing system, when flame heats the pan, heat through bottom air inlet insulating disc, middle level insulating disc, the semi-closed energy collection dish of inlayer descend downwards in proper order, and the secondary air is heated when the heat-retaining disc of bottom air inlet is inside, and the secondary air after being heated carries out the oxygen suppliment for the flame of burning, from this accelerates flame combustion to improve combustion temperature.

Description

Premixing system

Technical Field

The invention relates to the technical field of gas stoves, in particular to a premixing system.

Background

The gas stove is kitchen utensil, and during operation, gas gets into the kitchen from the intake pipe, and through the regulation of gas valve (the user adjusts through the knob) gets into in the furnace end, mixes a part of air (this part of air is called primary air) simultaneously, and these mixed gases are spouted from the fire hole of distributor and are lighted by ignition device simultaneously and form flames (the air that needs during the burning is called secondary air), and these flames are used for heating the cooking utensil of placing on the pot support.

When the secondary air is supplemented to the existing gas stove, the temperature of the secondary air is much lower than that of the burner, so that the temperature of the flame is easily influenced due to the fact that the temperature of the air is lower when the secondary air is used for supporting the flame of the burner.

Accordingly, in view of the above, research and improvement have been made on the conventional structure and the conventional drawbacks, and a premixing system has been proposed.

Disclosure of Invention

In view of the shortcomings of the prior art, the present invention provides a premixing system that addresses the problems set forth in the background art described above.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the premixing system comprises a bottom shell and a furnace frame component, wherein a base is arranged in the bottom shell, a positioning column is inserted in the base, the top of the positioning column is connected with a three-ring furnace end, the surface of the three-ring furnace end is sequentially provided with a first fire cover, a second fire cover and a third fire cover from inside to outside, the side surface of the three-ring furnace end is provided with an air inlet, the inside of the three-ring furnace end is provided with a slow climbing air passage, the bottom of the three-ring furnace end is connected with a magnetic field fan, the top of the air inlet is connected with a nozzle, the surface of the bottom shell is provided with a panel, the surface of the panel is provided with a control knob, the furnace frame component is arranged on the surface of the panel, the furnace frame component comprises a bottom air inlet heat insulation disc, a middle heat insulation disc, an inner semi-closed energy collecting disc, a through hole, a blower and a positioning groove, the middle part of the inner wall of the bottom air inlet heat insulation disc is provided with the inner semi-closed energy collecting disc, the positioning groove is formed in the bottom of the inner side of the inner semi-closed energy collecting disc, the bottom of the bottom air inlet heat insulation disc is provided with the bottom of the bottom heat insulation disc, and the bottom of the bottom heat insulation disc is provided with the air inlet heat insulation disc is connected with the bottom of the air inlet heat insulation disc.

Furthermore, the three-ring fire furnace end is connected with the base in an inserting way through the positioning columns, and the three positioning columns are arranged in total.

Furthermore, the three-ring fire furnace end is communicated with the gas pipe through the gas inlet, and the number of the gas inlets is three.

Further, the slow climbing air passage comprises a first air passage, a second air passage and a third air passage, and the first air passage, the second air passage and the third air passage are distributed in the three-ring burner from inside to outside in sequence.

Further, the first air passage, the second air passage and the third air passage are respectively communicated with the first fire cover, the second fire cover and the third fire cover, and gaps are reserved among the first air passage, the second air passage and the third air passage.

Further, ignition needles are arranged on two sides of the first fire cover, and the top of each ignition needle is lower than the top of the inner-layer semi-closed energy-gathering disc.

Further, the nozzle is located above the magnetic field fan, and the magnetic field fan is communicated with the first air passage, the second air passage and the third air passage.

Further, the air blower is embedded in the bottom shell, and the air blower penetrates through the panel to be communicated with the bottom air inlet heat insulation disc.

Further, the three-ring fire furnace end is connected with the inner semi-closed energy-collecting disc in a clamping way through the positioning groove, and a gap is formed between the bottom of the three-ring fire furnace end and the panel.

Further, the bottom of the bottom air inlet heat insulation plate is provided with an arc-shaped circumference bottom, and the bottom of the arc-shaped circumference bottom is contacted with the surface of the panel.

The invention provides a premixing system, which has the following beneficial effects:

1. this premixing system, the gas gets into inside first air flue, second air flue and the third air flue through air inlet, nozzle to pass first fire lid, second fire lid, third fire lid outflow, the ignition needle starts to ignite the gas simultaneously and produces the flame, thereby heats the pan, and in the air flue is injected into as primary air to the magnetic field fan with the external air when the gas gets into the air flue through the nozzle, make air and gas advance and evenly mix in the air flue along wavy, the combustion-supporting is carried out to the flame in this convenience, make the gas fully burn.

2. The premixing system is characterized in that gaps are reserved among the first air passage, the second air passage and the third air passage, so that small fire generated by the first air passage and the first fire cover cannot rob oxygen with the second air passage and the third air passage.

3. According to the premixing system, the air blower injects external air into the bottom air inlet heat insulation disc to serve as secondary air, the secondary air passes through the through hole to supply oxygen for burning flame from gaps among the first air passage, the second air passage and the third air passage, and oxygen is supplied to the burning flame through secondary oxygen supply.

4. This premixing system, when flame heats the pan, heat through bottom air inlet insulating disc, middle level insulating disc, the semi-closed energy collection dish of inlayer descend downwards in proper order, and the secondary air is heated when the heat-retaining disc of bottom air inlet is inside, and the secondary air after being heated carries out the oxygen suppliment for the flame of burning, from this accelerates flame combustion to improve combustion temperature.

Drawings

FIG. 1 is a schematic view of a first fire cover perspective of the premixing system of the present invention;

FIG. 2 is a schematic diagram of the front internal structure of a bottom shell of the premixing system according to the present invention;

FIG. 3 is an enlarged schematic view of the premixing system of FIG. 2 at A in accordance with the present invention;

FIG. 4 is a schematic view of a three-dimensional structure of a slow ramp airway of the premixing system of the present invention;

FIG. 5 is a schematic diagram of the side view of the internal structure of the bottom shell of the premixing system according to the present invention.

In the figure: 1. a bottom case; 2. a base; 3. positioning columns; 4. a three-ring burner; 5. a first fire cover; 6. a second fire cover; 7. a third fire cover; 8. an air inlet; 9. slowly climbing the slope air passage; 901. a first airway; 902. a second airway; 903. a third airway; 10. a magnetic field fan; 11. a nozzle; 12. a panel; 13. a control knob; 14. a hob assembly; 1401. a bottom layer air inlet heat insulation plate; 1402. a middle layer heat insulation plate; 1403. an inner layer semi-closed energy collecting disc; 1404. a through hole; 1405. a blower; 1406. a positioning groove; 15. an ignition needle; 16. an arc-shaped circumference bottom.

Description of the embodiments

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.

As shown in fig. 1-3 and 5, the invention provides the technical scheme that: the premixing system comprises a bottom shell 1 and a furnace frame assembly 14, wherein the bottom shell 1 is internally provided with the bottom shell 2, a positioning column 3 is inserted into the bottom shell 2, the top of the positioning column 3 is connected with a three-ring furnace end 4, the surface of the three-ring furnace end 4 is sequentially provided with a first fire cover 5, a second fire cover 6 and a third fire cover 7 from inside to outside, the side surface of the three-ring furnace end 4 is provided with an air inlet 8, the inside of the three-ring furnace end 4 is provided with a slowly climbing air flue 9, the bottom of the three-ring furnace end 4 is connected with a magnetic field fan 10, the top of the air inlet 8 is connected with a nozzle 11, the surface of the bottom shell 1 is provided with a panel 12, the surface of the panel 12 is provided with a control knob 13, the furnace frame assembly 14 is arranged on the surface of the panel 12, the furnace frame assembly 14 comprises a bottom layer air inlet insulating disc 1401, a middle layer insulating disc 1402, an inner layer semi-closed energy accumulating disc 1403, a through hole 1404, an air blower 1405 and a positioning groove 1406, the middle layer 1405 is arranged in the middle part of the inner wall of the bottom layer insulating disc 1401, the bottom layer insulating disc 1403 is provided with an inner layer semi-closed energy accumulating disc 1403, the top of the bottom layer insulating disc is provided with an inner layer semi-closed energy accumulating disc 1403, the inner layer is provided with an inner layer inside air inlet insulating disc 1401, the bottom of the air inlet insulating disc 1401 is connected with the bottom layer inside, and the air inlet insulating disc 1401 is connected with the bottom of the bottom layer inside, and the air inlet insulating layer 1401, and the bottom of the air inlet layer is connected with the bottom, and the bottom layer inside and the air intake layer 1;

the specific operation is as follows, when the gas enters the air passage, the magnetic field fan 10 injects the external air into the air passage through the nozzle 11 as the primary air, so that the air and the gas travel and are uniformly mixed in the wavy air passage, thereby facilitating the combustion supporting of the flame, so that the gas can be fully combusted, secondly, the input amount of the gas is adjusted by rotating the control knob 13, and simultaneously, the rotating speed of the magnetic field fan 10 is adjusted, thereby adjusting the injection amount of the primary air, so that the ratio of the primary air to the gas is always kept at the optimal ratio, thereby enabling the gas to be fully combusted, and when the flame is combusted, the air blower 1405 injects the external air into the bottom air inlet heat insulation disc 1401 as the secondary air, secondary air passes through the through holes 1404 and gaps between the bottom of the three-ring burner 4 and the panel 12, oxygen is supplied to burning flames from the gaps among the first air passage 901, the second air passage 902 and the third air passage 903, oxygen is supplied to the burning flames through secondary oxygen supply to ensure sufficient combustion of the flames, the rotating speed of the blower 1405 is controlled when the input amount of fuel gas is regulated through rotating the control knob 13, so that the injection amount of secondary air is controlled, when the cooker is heated by the flames, heat is sequentially lowered downwards through the bottom-layer air inlet heat insulation disc 1401, the middle-layer heat insulation disc 1402 and the inner-layer semi-closed energy accumulation disc 1403, the secondary air is heated and heated when the secondary air passes through the inside of the bottom-layer air inlet heat insulation disc 1401, oxygen is supplied to the burning flames, and therefore flame combustion is accelerated, and the combustion temperature is improved.

As shown in fig. 2-3, the three-ring burner 4 is connected with the base 2 in an inserting way through the positioning columns 3, the three positioning columns 3 are arranged in total, the three-ring burner 4 is connected with the inner semi-closed energy collecting disc 1403 in a clamping way through the positioning grooves 1406, and a gap is reserved between the bottom of the three-ring burner 4 and the panel 12;

the operation is as follows, the locating slot 1406 of the inner side bottom of the inner layer semi-closed energy gathering disc 1403 is blocked with the three-ring fire burner 4, so that the space is reserved between the bottom of the three-ring fire burner 4 and the panel 12, the secondary air passes through, the three-ring fire burner 4 is fixedly installed by inserting the locating column 3 into the base 2, the locating column 3 can be pulled out from the base 2 only by lifting the three-ring fire burner 4 in the later stage, and meanwhile, the three-ring fire burner 4 is separated from the locating slot 1406, so that the maintenance is convenient for the maintenance in the later stage.

As shown in fig. 2 and 4, the three-ring burner 4 is communicated with a gas pipe through a gas inlet 8, three gas inlets 8 are provided, the slow-climbing gas channels 9 comprise a first gas channel 901, a second gas channel 902 and a third gas channel 903, the first gas channel 901, the second gas channel 902 and the third gas channel 903 are distributed in the three-ring burner 4 in a mode of sequentially from inside to outside, the first gas channel 901, the second gas channel 902 and the third gas channel 903 are respectively communicated with a first fire cover 5, a second fire cover 6 and a third fire cover 7, gaps are reserved among the first gas channel 901, the second gas channel 902 and the third gas channel 903, ignition needles 15 are arranged on two sides of the first fire cover 5, and the top of each ignition needle 15 is lower than the top of an inner-layer semi-closed energy-collecting disc 1403;

the specific operation is as follows, the first air flue 901, the second air flue 902 and the third air flue 903 are respectively communicated with the first fire cover 5, the second fire cover 6 and the third fire cover 7, after the fuel gas and the primary air are mixed in the air flue, the fuel gas flows out from the first fire cover 5, the second fire cover 6 and the third fire cover 7, and is ignited by the ignition needle 15, the injection quantity of the fuel gas and the primary air is adjusted by rotating the control knob 13, the fuel gas is ignited to form small fire when the first air flue 901 and the first fire cover 5 independently operate, the fuel gas is discharged from the first fire cover 5 and the second fire cover 6 at the same time and is medium fire, and the fuel gas is discharged from the first air flue 901, the second fire cover 6 and the third fire cover 7 at the same time, and gaps are reserved among the first air flue 901, the second air flue 902 and the third air flue 903, so that the small fire generated by the first air flue 901 and the first fire cover 5 can not rush oxygen with the second air flue 902 and the third air flue 903.

As shown in fig. 2 and 4, the nozzle 11 is located above the magnetic field fan 10, and the magnetic field fan 10 is in communication with the first air passage 901, the second air passage 902, and the third air passage 903;

the specific operation is as follows, because the primary air is the external air with lower temperature and passes through the nozzle 11, the temperature of the nozzle 11 is reduced, and the aperture of the nozzle 11 is changed due to the high temperature of flame combustion.

As shown in fig. 2, the bottom of the bottom air inlet heat insulation plate 1401 is provided with an arc-shaped circumference bottom 16, and the bottom of the arc-shaped circumference bottom 16 is contacted with the surface of the panel 12;

the operation is as follows, the bottom of bottom air inlet heat insulation disc 1401 is provided with arc circumference end 16, and bottom air inlet heat insulation disc 1401 is settled on panel 12 surface through the arc circumference end 16 of its bottom, makes bottom air inlet heat insulation disc 1401 and panel 12 linear contact from this, through reducing area of contact, effectively reduces heat transfer downwards to through the secondary air separation heat transfer of flowing, thereby avoid heat transfer to panel 12 surface.

To sum up, as shown in fig. 1-5, when the premixing system is used, first air passage 901, second air passage 902 and third air passage 903 are respectively communicated with first fire cover 5, second fire cover 6 and third fire cover 7, after mixing the fuel gas and the primary air in the air passages, the fuel gas flows out from first fire cover 5, second fire cover 6 and third fire cover 7, and is ignited by ignition needle 15, the injection amount of the fuel gas and the primary air is adjusted by rotating control knob 13, when first air passage 901 and first fire cover 5 are operated independently, the fuel gas is ignited to form small fire, when first fire cover 5 and second fire cover 6 are operated simultaneously, the fuel gas is discharged simultaneously to form medium fire, and when first fire cover 5, second fire cover 6 and third fire cover 7 are operated simultaneously, the fuel gas is big fire, and gaps are reserved between first air passage 901, second air passage 902 and third air passage 903, so as to ensure that the small fire generated by first air passage 901 and first fire cover 5 cannot rush oxygen with second air passage 902 and third air passage 903;

the magnetic field fan 10 injects external air into the air passage through the nozzle 11 as primary air while the fuel gas enters the air passage, so that the air and the fuel gas travel and are uniformly mixed in the wavy air passage, thereby facilitating combustion supporting of the flame, enabling the fuel gas to be fully combusted, and secondly, adjusting the input amount of the fuel gas by rotating the control knob 13, and simultaneously adjusting the rotating speed of the magnetic field fan 10, thereby adjusting the injection amount of the primary air, and enabling the ratio of the primary air to the fuel gas to be always kept at an optimal ratio, thereby enabling the fuel gas to be fully combusted;

during flame combustion, the air blower 1405 injects external air into the bottom air inlet heat insulation disc 1401 to serve as secondary air, the secondary air passes through the through holes 1404 and gaps between the bottom of the three-ring burner 4 and the panel 12 to supply oxygen to the burning flame from the gaps among the first air passage 901, the second air passage 902 and the third air passage 903, oxygen supplement is provided for the burning flame through secondary oxygen supply to ensure that the flame is fully combusted, and the rotating speed of the air blower 1405 is controlled when the input amount of fuel gas is adjusted through rotating the control knob 13, so that the injection amount of the secondary air is controlled;

when flames heat the cookware, heat is sequentially lowered downwards through the bottom air inlet heat insulation disc 1401, the middle heat insulation disc 1402 and the inner semi-closed energy collection disc 1403, secondary air is heated and warmed when passing through the inside of the bottom air inlet heat insulation disc 1401, and the heated secondary air supplies oxygen for burning flames, so that flame burning is accelerated, and the burning temperature is increased;

the bottom of bottom air inlet heat insulation disc 1401 is provided with arc circumference end 16, and bottom air inlet heat insulation disc 1401 is settled in panel 12 surface through the arc circumference end 16 of its bottom, makes bottom air inlet heat insulation disc 1401 and panel 12 linear contact from this, through reducing area of contact, effectively reduces heat transfer downwards to through the secondary air separation heat transfer of flowing, thereby avoid heat transfer to panel 12 surface.

The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Premixing system comprising a bottom shell (1) and a hob assembly (14), characterized in that: the inside of drain pan (1) is provided with base (2), and the inside grafting of base (2) has reference column (3), the top of reference column (3) is connected with three-ring fire furnace end (4), and the surface of three-ring fire furnace end (4) has set gradually first fire lid (5), second fire lid (6), third fire lid (7) from interior to exterior, the side of three-ring fire furnace end (4) is provided with air inlet (8), and the inside of three-ring fire furnace end (4) is provided with slowly climbs air flue (9), the bottom of three-ring fire furnace end (4) is connected with magnetic field fan (10), the top of air inlet (8) is connected with nozzle (11), the surface of drain pan (1) is provided with panel (12), and the surface mounting of panel (12) has control knob (13), stove frame subassembly (14) set up in the surface of panel (12), stove frame subassembly (14) include bottom air inlet insulating disc (1401), insulating disc (1402), inlayer semi-closed energy accumulating disc (1403), air inlet disc (1403) and air inlet disc (1406) can be provided with middle layer (1403) and air inlet disc (1406) top semi-insulating disc (1406), and positioning grooves (1406) are formed in the bottom of the inner side of the inner layer semi-closed energy-gathering disc (1403), through holes (1404) are formed in the bottom of the inner side of the bottom air inlet heat insulation disc (1401), and a blower (1405) is connected to the bottom of the bottom air inlet heat insulation disc (1401).

2. The premixing system according to claim 1, wherein: the three-ring fire furnace end (4) is connected with the base (2) in an inserting way through the positioning columns (3), and the three positioning columns (3) are arranged in total.

3. The premixing system according to claim 1, wherein: the three-ring burner (4) is communicated with the gas pipe through the gas inlet (8), and the three gas inlets (8) are arranged in total.

4. The premixing system according to claim 1, wherein: the slow climbing air passage (9) comprises a first air passage (901), a second air passage (902) and a third air passage (903), and the first air passage (901), the second air passage (902) and the third air passage (903) are distributed in the three-ring burner (4) from inside to outside in sequence.

5. The premixing system according to claim 4, wherein: the first air passage (901), the second air passage (902) and the third air passage (903) are respectively communicated with the first fire cover (5), the second fire cover (6) and the third fire cover (7), and gaps are reserved among the first air passage (901), the second air passage (902) and the third air passage (903).

6. The premixing system according to claim 1, wherein: ignition needles (15) are arranged on two sides of the first fire cover (5), and the top of each ignition needle (15) is lower than the top of the inner-layer semi-closed energy collecting disc (1403).

7. The premixing system according to claim 4, wherein: the nozzle (11) is positioned above the magnetic field fan (10), and the magnetic field fan (10) is communicated with the first air passage (901), the second air passage (902) and the third air passage (903).

8. The premixing system according to claim 1, wherein: the air blower (1405) is embedded in the bottom shell (1), and the air blower (1405) penetrates through the panel (12) to be communicated with the bottom air inlet heat insulation disc (1401).

9. The premixing system according to claim 1, wherein: the three-ring burner (4) is connected with the inner semi-closed energy-collecting disc (1403) in a clamping way through the positioning groove (1406), and a gap is reserved between the bottom of the three-ring burner (4) and the panel (12).

10. The premixing system according to claim 1, wherein: the bottom of the bottom air inlet heat insulation disc (1401) is provided with an arc-shaped circumference bottom (16), and the bottom of the arc-shaped circumference bottom (16) is contacted with the surface of the panel (12).