CN212456839U - Premixing type porous combustor capable of increasing combustion surface and gas stove - Google Patents
Premixing type porous combustor capable of increasing combustion surface and gas stove Download PDFInfo
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- CN212456839U CN212456839U CN202021081750.3U CN202021081750U CN212456839U CN 212456839 U CN212456839 U CN 212456839U CN 202021081750 U CN202021081750 U CN 202021081750U CN 212456839 U CN212456839 U CN 212456839U
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Abstract
The utility model discloses a can increase formula porous burner and gas kitchen range in advance of combustion face belongs to kitchen range technical field, and it includes the base, characterized in that: the base is provided with a flame stabilizing disc, a premixing chamber is defined between the flame stabilizing disc and the base and is communicated with a mixing gas pipe, the flame stabilizing disc is provided with a plurality of gas holes, one end of each gas hole is communicated with the premixing chamber, and the other end of each gas hole is communicated with the combustion chamber. The combustor can enable most of the flame stabilizing disc to be a blind plate area, mixed gas of gas and air enters the premixing chamber from the mixed gas pipe, collides with the blind plate area of the flame stabilizing disc in the upward moving process, is broken up by collision, and enters the combustion chamber through the gas holes after being fully mixed, so that the gas can be fully combusted, and the purposes of environmental protection and energy conservation are achieved; and the flame stabilizing disc is distributed in the whole combustion chamber, so that the area of the cooker contacting with flame is increased.
Description
Technical Field
The utility model belongs to the technical field of the kitchen range, concretely relates to can increase formula porous burner and gas kitchen range in advance of combustion face.
Background
In China with Chinese food as the main part, hotels, dining halls and central kitchens are all equipped with commercial gas stoves for cooking Chinese food. The existing commercial gas cookers are mainly composed of a combustion chamber and a burner installed in the combustion chamber. The existing gas stove is divided into a post-mixing type and a pre-mixing type according to the mixing mode of gas and air, wherein the post-mixing type is a mode that gas is mixed with air in the combustion process and the gas is mixed and combusted at the same time; the premix method is to mix the fuel gas with air before combustion and then burn the mixed gas. The post-mixing method is gradually replaced by the pre-mixing method because the post-mixing method is not easy to control the mixing degree, and easily causes the phenomenon of insufficient combustion due to nonuniform mixing.
Therefore, in order to make the gas combustion more sufficient and to make it more energy-saving and environment-friendly, people want to improve the mixing effect of the gas and the air by various methods. The utility model discloses a 201220187426.9 provides a porous waste heat control energy-conserving furnace end that mixes in advance of compound material multilayer energy storage economic benefits and social benefits heating, its is equipped with the gas air inlet on the air-supply line, and the tip of air-supply line is equipped with mixes the pipe in advance, connects above mixing the pipe in advance and mixes the room in advance, mixes the room upper end cap in advance and be equipped with the burning dish the outer cover of room in advance is equipped with the energy storage chamber, and energy storage chamber upper end covers there is multilayer energy storage board, is equipped with in the energy storage chamber periphery with the sealed complex stove circle of cooking utensil, is equipped with the intensive through-. Although the burner can be premixed fully to enable the burning to be more sufficient, the area of the burning disc is too small, and the rest part of the burner can only utilize the reflected heat of the energy storage plate, so that the bottom of the cooker is heated unevenly, and the cooking taste is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem that a can increase formula porous burner and gas kitchen range in advance of combustion face is provided, when can intensive mixing air and gas, increased combustion area.
In order to solve the technical problem, the technical scheme of the utility model is that: the design one kind can increase the porous burner of premixing of the combustion surface, including the base, its characterized in that: the base is provided with a flame stabilizing disc, a premixing chamber is defined between the flame stabilizing disc and the base and is communicated with a mixing gas pipe, the flame stabilizing disc is provided with a plurality of gas holes, one end of each gas hole is communicated with the premixing chamber, and the other end of each gas hole is communicated with the combustion chamber.
Preferably, the pore diameter of the air hole communicated with the premixing chamber is smaller than the pore diameter of the air hole communicated with the combustion chamber.
Preferably, the air holes form more than two air hole rings which are uniformly distributed, and the air holes in each air hole ring are uniformly distributed along the circumferential direction.
Preferably, the flame stabilizing disc is provided with a flame gathering ring, and an inner cavity of the flame gathering ring forms a combustion chamber.
Preferably, the lower part of the fire gathering ring is provided with a protective hole communicated with the combustion chamber, the flame stabilizing disc is provided with an electronic ignition needle and a main fire air supply pipe, and the electronic ignition needle and the main fire air supply pipe are positioned in the protective hole.
Preferably, a flame induction needle is fixed on the flame stabilizing disc in the protective hole and extends to the combustion chamber.
Preferably, the mixed gas pipe is communicated with an air pipe, a gas pipe penetrates through the air pipe, the gas pipe is provided with a refraction fin, a gas spray hole is formed in the wall of the gas pipe behind the refraction fin, and the refraction fin can change the flowing direction of air and gas.
Preferably, the refraction fins comprise more than two refraction fins which are uniformly distributed along the circumferential direction of the gas pipe.
Preferably, the refracting fins are inclined with respect to a radial section of the gas tube.
Preferably, the device further comprises a first tee joint, a first through opening and a second through opening of the first tee joint are located on the same straight pipe section, the first through opening is connected with the mixed gas pipe, a sealing cover is installed in the second through opening, and a third through opening of the first tee joint is communicated with the air pipe.
Preferably, the second tee bend is connected to the other end of air pipe, sets up gas pipe, another opening in the opening of second tee bend as air intlet, and the gas pipe is relative form with the air pipe and distributes.
The utility model also provides a gas kitchen range, including the combustor, its characterized in that: the combustor is the premixing type porous combustor capable of increasing the combustion surface.
Compared with the prior art, the beneficial effects of the utility model are that:
1. because the base is provided with the flame stabilizing disc, a premixing chamber is defined between the flame stabilizing disc and the base, the premixing chamber is communicated with the mixing gas pipe, the flame stabilizing disc is provided with a plurality of gas holes, one ends of the gas holes are communicated with the premixing chamber, the other ends of the gas holes are communicated with the combustion chamber, so that most of the flame stabilizing disc is a blind plate area, the mixed gas of gas and air enters the premixing chamber from the mixing gas pipe, and collides with the blind plate area of the flame stabilizing disc in the upward moving process to be collided and scattered, and enters the combustion chamber through the gas holes after being fully mixed, so that the gas and the air can be fully combusted, and the purposes of environmental protection; and the flame stabilizing disc is distributed in the whole combustion chamber, so that the area of the cooker contacting with flame is increased.
2. Because the aperture of the gas hole communicated with the premixing chamber is smaller than that of the communicated combustion chamber, the volume of the mixed gas gradually expands in the moving process of the gas hole, so that the mixed gas is buffered, more stable flame moderation is obtained, the combustion time of the gas is prolonged, and the combustion is more sufficient.
3. The air holes form more than two air hole rings which are uniformly distributed, and the air holes in each air hole ring are uniformly distributed along the circumferential direction, so that the air holes are more uniformly distributed in the flame stabilizing disc, and uniform and stable flames are obtained.
4. Because the flame holding ring is arranged on the flame stabilizing disc, and the inner cavity of the flame holding ring forms a combustion chamber, the heat loss caused by outward scattering of flame is reduced, the utilization rate of heat energy is improved, and more energy is saved.
5. Because electron ignition needle and mother fire air supply pipe are located the guard hole of holding together the fire circle, when providing the electron strike sparks that stabilize and relax, prevent in the combustion chamber that the hot water juice that falls from to the damage of electron ignition needle and mother fire air supply pipe, do benefit to its reliable work.
6. Because the mixed gas pipe communicates the air pipe, wears to be equipped with the gas pipe in the air pipe, is equipped with the refraction wing on the gas pipe, has seted up the gas orifice on the inboard gas pipe wall of refraction wing for gas orifice spun gas striking changes the moving direction after on the refraction wing, changes the flow direction of air in the air pipe simultaneously, makes gas and air realize the crossing mixture, reinforcing mixed effect.
7. Because the refraction fin includes the refraction fin more than two, the circumference evenly distributed of refraction fin along the gas pipe more than two, and the refraction fin is the slope form for the radial cross-section of gas pipe for gas and air form the whirl form and move, at the in-process continuous mixture that moves.
8. Because the first through hole and the second through hole of first tee bend are located same straight tube section, can be so that the hot water juice that gets into the combustion chamber flows down along the gas mixture pipe through premixing the room, can open the closing cap and expel liquid smoothly, avoid hot water juice to gather for a long time.
9. Because the second tee bend is connected to the other end of air pipe, sets up gas pipe, another opening in the tee bend of second, and the gas pipe is relative form distribution with the air pipe for the air will be through turning at the in-process that supplies to send, and the air after the turning is easier with gas misce bene, and the gas after the mixture mixes more evenly after turning.
10. The utility model discloses simple structure can make gas and air mixing more even to enlarge the combustion area of combustion chamber, made the bottom thermally equivalent of cooking utensil, be convenient for in industry popularize and apply.
Drawings
Fig. 1 is a perspective exploded view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a view from the direction A of FIG. 2;
fig. 4 is a sectional view B-B of fig. 3.
The labels in the figure are: 1. a fire gathering ring; 2. a combustion chamber; 3. a flame stabilizing disc; 4. air holes; 5. a main fire air supply pipe; 6. an electronic ignition needle; 7. a flame sensing needle; 8. a base; 9. a mixed gas pipe; 10. a first tee joint; 11. sealing the cover; 12. an air tube; 13. a second tee joint; 14. an air inlet; 15. spraying a gas orifice; 16. a refracting fin; 17. a gas pipe; 18. a blind plate; 19. a protective aperture; 20. a gas inlet; 21. and a premixing chamber.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses the reference is by preceding flow direction to the back, defines the one end that gas got into as the front end, correspondingly defines the other end that gas left as the rear end.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model discloses be equipped with stable flame dish 3 on base 8, enclose into between stable flame dish 3 and the base and mix chamber 21 in advance, mix chamber 21 intercommunication gas mixture pipe 9 in advance, a plurality of gas pockets 4 have been seted up on the stable flame dish 3, gas pocket 4 constitutes five gas pocket circles that evenly arrange from inside to outside in proper order, gas pocket 4 in every gas pocket circle is along circumference evenly distributed. One end of the air hole 4 is communicated with the premixing chamber 21, the other end is communicated with the combustion chamber 2, and the aperture of the air hole 4 communicated with the premixing chamber 21 is smaller than that of the air hole communicated with the combustion chamber 2. Be equipped with on the steady flame dish 3 and hold together the fire circle 1, the inner chamber that holds together the fire circle 1 forms combustion chamber 2, hold together the protection hole 19 that intercommunication combustion chamber 2 was seted up to 1 lower part of fire circle, be equipped with electronic ignition needle 6 and female fire air supply pipe 5 on the steady flame dish 3, electronic ignition needle 6 and female fire air supply pipe 5 are located protection hole 19, still be fixed with flame response needle 7 on the steady flame dish 3 in protection hole 19, flame response needle 7 extends combustion chamber 2, can be through the true condition of 7 perception flames of flame response needle, thereby the confession of automatic control gas and air is sent, avoid the gas not really and the fuel waste that causes.
The specific gas supply pipeline of the combustor is as follows: set up first tee bend 10 and second tee bend 13 in the pipeline, first tee bend 10's first opening and second opening are two mouths of pipe of same straight tube, and the gas mixing pipe 9 is connected to first opening, installs closing cap 11 in the second opening, and first tee bend 10's third opening intercommunication air hose 12, and second tee bend 13 is connected to the other end of air hose 12, sets up gas pipe 17 in second tee bend 13's the opening, another opening is as air intlet 14, and gas pipe 17 is relative form with air hose 12 and distributes.
In order to better mix the fuel gas and the air, a blind plate 18 is arranged at the end part of the fuel gas pipe 17, refraction fins are arranged on the fuel gas pipe 17, eight refraction fins 16 are arranged in the refraction fins, the refraction fins 16 are uniformly distributed along the circumferential direction of the fuel gas pipe 17, and the refraction fins 16 are inclined relative to the radial section of the fuel gas pipe 17. The wall of the gas pipe 17 behind the refraction fins is provided with gas spray holes 15, and the refraction fins enable air and gas to flow in a rotational flow shape. Here, the structure of the refracting fins 16 is similar to that of fan blades in a fan, and the direction of the airflow is changed to play a role of stirring.
The working process of the utility model is as follows:
a blower is arranged on the air inlet 14, a gas source is communicated with a gas inlet 20 of the gas pipe 17, the main fire gas supply pipe 5 and the electronic ignition needle 6 are opened, and the main fire is ignited. Then the blower and the gas source are turned on, the blower supplies pressurized and fast flowing air to the air pipe 12, the gas is sprayed out from the gas spraying holes 15 along the radial direction of the gas pipe 17 and then impacts on the refraction fins 16, the gas is forced to change the flowing direction, is mixed with the air which is sprayed on the refraction fins 16 and is forced to change the flowing direction, flows in a rotational flow shape, and continuously impacts in the flowing process, so that the gas and the air can be sufficiently mixed, then turns to enter the gas mixing pipe 9, is subjected to collision and mixing again in the turning process, enters the premixing chamber 21 from the gas mixing pipe 9, impacts on a blind plate area of the flame stabilizing disc 3 in the upward moving process, is subjected to impact and scattering, enters the combustion chamber 2 through the gas holes 4 after being sufficiently mixed, and is ignited by a parent fire. Because the aperture of gas pocket 4 intercommunication premix chamber 21 is less than the aperture of intercommunication combustion chamber 2 for the in-process that the mist removed in gas pocket 4, the volume expands gradually, can cushion, obtains more stable flame that mitigatees, increases gaseous burning time, makes the burning more abundant, makes 2 equipartitions in combustion chamber have the flame of burning, and the increase is heated the area to the burning of cooking utensil, ensures that the bottom of cooking utensil is heated evenly.
In the process of heating the cooker, if juice overflows from the cooker and enters the combustion chamber 2, then the juice flows down along the mixed gas pipe 9 through the premixing chamber 21, the sealing cover 11 can be opened to discharge the juice smoothly, and the soup is prevented from being accumulated for a long time.
The fire gathering ring 1, the flame stabilizing disc 3 and the base 8 can adopt a split structure or an integrated structure. The split structure is preferred here, facilitating the processing of the air holes 4. The air hole 4 can be a taper hole or a step hole, and only needs to be in a flaring shape, so that the air has a buffer space.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a can increase formula porous combustor in advance of combustion face, includes the base, its characterized in that: the base is provided with a flame stabilizing disc, a premixing chamber is defined between the flame stabilizing disc and the base and is communicated with a mixing gas pipe, the flame stabilizing disc is provided with a plurality of gas holes, one end of each gas hole is communicated with the premixing chamber, and the other end of each gas hole is communicated with the combustion chamber.
2. The premixed multi-hole burner capable of increasing the combustion surface as set forth in claim 1, wherein: and the aperture of one end of the air hole positioned on the side of the premixing chamber is smaller than that of the other end of the air hole positioned on the side of the combustion chamber.
3. The premixed multi-hole burner capable of increasing a combustion surface as set forth in claim 2, wherein: the air holes form more than two air hole rings which are uniformly distributed, and the air holes in each air hole ring are uniformly distributed along the circumferential direction.
4. The premixed multi-hole burner capable of increasing a combustion surface according to any one of claims 1 to 3, wherein: the flame stabilizing disc is provided with a flame gathering ring, and the inner cavity of the flame gathering ring forms a combustion chamber.
5. The premixed multi-hole burner capable of increasing the combustion surface according to claim 4, wherein: the lower part of the fire gathering ring is provided with a protective hole communicated with the combustion chamber, the flame stabilizing disc is provided with an electronic ignition needle and a main fire air supply pipe, and the electronic ignition needle and the main fire air supply pipe are positioned in the protective hole.
6. The premixed multi-hole burner capable of increasing the combustion surface as set forth in claim 5, wherein: and a flame induction needle is fixed on the flame stabilizing disc in the protective hole and extends to the combustion chamber.
7. The premixed multi-hole burner capable of increasing a combustion surface according to any one of claims 1 to 3, wherein: the mixed gas pipe is communicated with the air pipe, the gas pipe penetrates through the air pipe, the gas pipe is provided with the refraction fins, the wall of the gas pipe behind the refraction fins is provided with gas spray holes, and the refraction fins can change the flowing direction of air and gas.
8. The premixed multi-hole burner capable of increasing a combustion surface as set forth in claim 7, wherein: the refraction fins comprise more than two refraction fins which are uniformly distributed along the circumferential direction of the gas pipe.
9. The premixed multi-hole burner capable of increasing a combustion surface as set forth in claim 8, wherein: still include first tee bend, first tee bend's first opening and second opening are located same straight tube section, and the mixed gas pipe is connected to first opening, installs the closing cap in the second opening, and the third opening intercommunication air pipe of first tee bend.
10. A gas stove comprising a burner, characterized in that: the burner is a premixing type porous burner capable of increasing the combustion surface as claimed in any one of claims 1 to 9.
Priority Applications (1)
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CN202021081750.3U CN212456839U (en) | 2020-06-12 | 2020-06-12 | Premixing type porous combustor capable of increasing combustion surface and gas stove |
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CN202021081750.3U CN212456839U (en) | 2020-06-12 | 2020-06-12 | Premixing type porous combustor capable of increasing combustion surface and gas stove |
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CN212456839U true CN212456839U (en) | 2021-02-02 |
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CN202021081750.3U Active CN212456839U (en) | 2020-06-12 | 2020-06-12 | Premixing type porous combustor capable of increasing combustion surface and gas stove |
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