CN214172223U

CN214172223U - Blast type infrared burner and infrared stove

Info

Publication number: CN214172223U
Application number: CN202022163356.0U
Authority: CN
Inventors: 刘凯; 陈琦; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-09-10
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a blast type infrared burner and infrared kitchen, wherein the combustor includes furnace end, air-blast device and nozzle assembly, and the furnace end is equipped with outer loop air cavity, inner ring air cavity, draws outward and penetrates pipe and interior injection pipe, the air-blast device set up in draw outward and penetrate the pipe and/or draw the entrance of pipe in, nozzle assembly set up in on the air-out direction of air-blast device. The utility model discloses an install the air-blast device at the entrance of outer ejector pipe, and set up the nozzle assembly between air-blast device and outer ejector pipe, make the primary air volume that flows into outer ejector pipe more and the velocity of flow faster, guarantee that primary air and gas mix more fully, realized promoting combustion sufficiency and thermal efficiency, reduce the emission of CO in the burning tail gas; compare in the current scheme of drawing the primary air of drawing naturally, because the primary air velocity of flowing into outer injection pipe is faster for the velocity of flow that the mist flowed into the fire hole of combustion body subassembly is faster, is difficult for initiating the tempering more.

Description

Blast type infrared burner and infrared stove

Technical Field

The utility model relates to a cooking utensils technical field especially relates to a blast type infrared burner and infrared kitchen.

Background

Infrared cookers are popular in the market because of their better heating uniformity when cooking, their lower CO emissions in the exhaust, and their higher thermal efficiency. With the improvement of the thermal efficiency of the atmospheric infrared stove in recent years, the thermal load of the infrared stove on the market is generally lower than that of the atmospheric stove, and for the national people taking quick frying as the main cooking mode, the small load causes the poor cooking experience of users. In order to increase the thermal load of the combustor, it is generally required to increase the thermal strength of the outer ring fire holes or increase the area of the outer ring combustion plate, but after the thermal strength of the outer ring fire holes is increased, the tempering is easily initiated.

In addition, the primary air injection amount of the existing infrared burner is relatively small, so that the combustion sufficiency is not favorably promoted, and the combustion heat efficiency is further influenced.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior correlation technique at least to a certain extent, for this reason, the utility model provides a blast type infrared burner can bulge into the primary air of the required capacity of burning, makes air and gas mix more fully, promotes burning sufficiency and thermal efficiency to the velocity of flow that makes the mist flow into the fire hole of burning body subassembly is faster, is difficult for initiating the tempering more.

The utility model discloses still provide an infrared kitchen that has this blast type infrared burner.

According to the blast type infrared burner provided by the above, the following technical scheme is adopted to realize the following:

the utility model provides a blast type infrared burner, includes the furnace end, the furnace end is equipped with outer loop air cavity, inner ring air cavity, draws outward and penetrates pipe and interior injection pipe, draw outward and penetrate the pipe intercommunication the outer loop air cavity, draw in penetrate the pipe intercommunication the inner ring air cavity, wherein include: the air blowing device is arranged at the inlet of the outer injection pipe and/or the inner injection pipe and is used for blowing primary air into the outer injection pipe and/or the inner injection pipe; and the nozzle assembly is arranged in the air outlet direction of the air blowing device and is used for providing fuel gas for the outer injection pipe and/or the inner injection pipe.

In some embodiments, the blower device includes an air supply member, a mounting portion is disposed at an inlet of the outer ejector tube and/or the inner ejector tube, and the air supply member is mounted on the mounting portion and used for blowing primary air into the outer ejector tube or the inner ejector tube.

In some embodiments, the blower device further comprises a fixing seat, the fixing seat is provided with a ventilation channel, the air supply part is installed on the installation part through the fixing seat, one end of the ventilation channel is communicated with the air outlet of the air supply part, and the other end of the ventilation channel is communicated with the outer injection pipe or the inner injection pipe.

In some embodiments, the nozzle assembly includes a nozzle, the outer injection pipe and/or the inner injection pipe is provided with an air inlet passage, an air inlet of the air inlet passage is communicated with a gas pipe, an air outlet is located in an air outlet direction of the air blowing device and communicated with the outer injection pipe or the inner injection pipe, and the nozzle is installed at the air outlet.

In some embodiments, the nozzle assembly includes a nozzle and an air inlet passage, the outer injection pipe and/or the inner injection pipe is provided with an opening through which the air inlet passage passes, the air inlet passage is installed at the opening, an air inlet of the air inlet passage is communicated with the gas pipe, an air outlet of the air inlet passage is located in an air outlet direction of the air blowing device and is communicated with the outer injection pipe or the inner injection pipe, and the nozzle is installed at the air outlet.

In some embodiments, the air intake passage is integrated into a holder of the blower device.

In some embodiments, the outer ejector tube and/or the inner ejector tube to which the blower device is mounted is a straight tube.

In some embodiments, the straight pipe has a length of 60 to 140mm, and the straight pipe has an inner diameter of 26 to 36 mm.

In some embodiments, the burner is provided with a middle annular air cavity and a middle ejector pipe communicated with the middle annular air cavity, the middle ejector pipe is a straight pipe or a venturi pipe, and the blower device and the nozzle assembly are installed at an inlet of the straight pipe.

According to the infrared cooker provided by the above, the technical scheme is as follows:

an infrared cooker is provided with the blast type infrared burner.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the blast type infrared burner of the utility model has the advantages that the blast device is arranged at the inlet of the outer injection pipe, and the nozzle assembly is arranged between the blast device and the outer injection pipe, so that the primary air quantity flowing into the outer injection pipe is more and the flow speed is faster, the primary air and the fuel gas are more fully mixed, the combustion sufficiency and the thermal efficiency are improved, and the emission of CO in the combustion tail gas is reduced;

2. the utility model discloses an infrared combustor of blast type compares in the scheme that has the nature to draw and penetrates the primary air, and because the primary air velocity of flowing into the outer pipe that draws of drawing is faster for the velocity of flow that the mist flowed into the fire hole of burning body subassembly is faster, can cool off the fire hole lower extreme of burning body subassembly better, thereby makes infrared combustor be difficult for initiating the tempering more.

Drawings

FIG. 1 is an exploded view of a blower type infrared burner according to embodiment 1 of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a sectional view of a blower type infrared burner according to embodiment 1 of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

Example 1

Referring to fig. 1-3, the present embodiment provides a blast-type infrared burner, which includes a burner head 1, a blast device 2, a nozzle assembly 3 and a burner body assembly 4, wherein the burner head 1 is provided with an outer annular air cavity 11 having an opening at the top, an inner annular air cavity 12 having an opening at the top, an outer injection pipe 13 and an inner injection pipe 14, the outer injection pipe 13 is communicated with the outer annular air cavity 11, and the inner injection pipe 14 is communicated with the inner annular air cavity 12. The air blowing device 2 is arranged at the inlet of the outer injection pipe 13 and/or the inner injection pipe 14, and the air blowing device 2 is used for blowing primary air into the outer injection pipe 13 and/or the inner injection pipe 14 so as to ensure sufficient primary air required by combustion, so that the air and the fuel gas are mixed more sufficiently, and the combustion efficiency of the combustor is improved. The nozzle assembly 3 is disposed in an air outlet direction of the blower 2 and is used for providing fuel gas for the outer injection pipe 13 and/or the inner injection pipe 14. The burner body assembly 4 is arranged above the burner head 1, and covers the top opening of the outer ring air cavity 11 and the inner ring air cavity 12, so that the infrared burner has inner ring fire and outer ring fire, a user can adjust the fire according to cooking requirements, and cooking experience is improved.

In this embodiment, the air blowing device 2 is installed at the inlet of the outer injection pipe 13, and the inner injection pipe 14 performs natural injection. Correspondingly, the nozzle assembly 3 is arranged between the air blowing device 2 and the outer injection pipe 13, and the air outlet direction of the nozzle assembly 3 faces the length direction of the outer injection pipe 13. When the required capacity primary air of the burning of outer ring fire of infrared burner is blown into and is drawn tub 13 outward when air-blast device 2, nozzle assembly 3 draws tub 13 inside injection gas towards outside simultaneously, and can drive more primary air flows and draw tub 13 in leading outward, and like this, make the flow advance to draw tub 13 outer air volume more and the velocity of flow faster, guarantee that primary air and gas mix more abundant, realized promotion burning sufficiency and thermal efficiency, the emission of CO in the burning tail gas has been reduced. In addition, compare in the present scheme of drawing the primary air naturally, because this infrared burner's primary air velocity of flow is faster for the velocity of flow that the mist flowed into the fire hole of combustion body subassembly 4 is faster, can cool off the fire hole lower extreme of combustion body subassembly 4 better, prevents that burning flame from moving down to the fire hole lower extreme, thereby makes infrared burner be difficult for initiating the tempering more.

Preferably, be equipped with installation department 101 at the entrance that draws outward and penetrate pipe 13, this installation department 101 encircles the entrance that draws outward and penetrate pipe 13 to increase installation department 101's area, make things convenient for air-blast device 2's assembly more. The air blowing device 2 comprises an air supply part 21, an installation part 101 of the air supply part 21 is provided, an air inlet of the air supply part 21 is communicated with the inside of the bottom shell of the atmospheric infrared stove, and an air outlet is communicated with an inlet of the outer injection pipe 13 and used for blowing primary air into the inner part of the outer injection pipe 13. From this, through air supply member 21, realized forcing the primary air to bulge into and draw inside the ejector pipe 13 outward, make supply with the required primary air volume of outer ring fire burning more sufficient, do benefit to air and gas mixture more abundant, and then guarantee that the burning is more abundant, the combustion thermal efficiency is higher, CO content is lower in the tail gas, and guarantee that the velocity of flow to the fire hole of combustion body subassembly 4 is faster, the effect of the fire hole lower extreme of cooling combustion body subassembly 4 is better, make it difficult for taking place the tempering, promote user's use and experience.

In this embodiment, air supply member 21 is the fan, and fan accessible screw demountable installation is on installation department 101, like this, when making things convenient for fan quick assembly disassembly, guarantees that the better reliable and stable of fan is fixed in on installation department 101.

More preferably, the blowing device 2 further includes a fixing seat 22, the fixing seat 22 is disposed between the blowing member 21 and the mounting portion 101, and is provided with a ventilation channel 221 through which the primary air passes. The air supply member 21 is mounted on the mounting portion 101 through the fixing seat 22, one end of the ventilation channel 221 is communicated with an air outlet of the air supply member 21, and the other end of the ventilation channel is communicated with an inlet of the outer injection pipe 13. Therefore, the air supply member 21 can be more conveniently mounted and fixed by the fixing seat 22.

The air blowing member 21, the fixing base 22 and the mounting portion 101 of the present embodiment are connected together by screws or other fixing connection means. In other embodiments, the air blowing member 21 and the fixing base 22 may be welded or detachably connected together, and then fixedly mounted on the mounting portion 101 by a connection method.

Preferably, the nozzle assembly 3 includes a nozzle 31 and an air inlet passage 32, and the outer ejector tube 13 has an opening 102 for the air inlet passage 32 to pass through, the opening 102 being provided on the mounting portion 101 so that the opening 102 is closer to the inlet of the ejector tube 13. The air inlet passage 32 is installed at the opening 102, the air inlet 321 of the air inlet passage is communicated with a gas pipe (not shown), the air outlet 322 is located in the air outlet direction of the blower device 2 and is communicated with the outer injection pipe 13, and the nozzle 31 is installed at the air outlet 322. From this, when guaranteeing that nozzle 31 blowout gas, can drive more primary air flows and draws in drawing and penetrate pipe 13, further promotes primary air and draws the injection volume, makes gas and air mixing more even, improves the burning sufficiency.

More preferably, the air inlet passage 32 is "L" shape, and the length direction of the air outlet section of the air inlet passage 32 is the same as that of the injection pipe 13, so that the air outlet direction of the air outlet 322 is the same as that of the injection pipe 13, thereby ensuring that the flow direction of the fuel gas ejected from the nozzle 31 is the same as that of the injection pipe 13, ensuring that the flow speed of the mixed gas flowing to the fire hole of the combustion body assembly 4 is faster, and improving the anti-backfire effect.

In this embodiment, inlet channel 32 is integrated on blower device 2's fixing base 22, and inlet channel 32 deviates from the one side integrated into one piece of air supply 31 with fixing base 22 promptly, like this, has not only saved inlet channel 32's assembly process, still guarantees that inlet channel 32's installation is more firm reliable, and inlet channel 32 takes place to shift when avoiding nozzle 31 to spray the gas, and then promotes nozzle 31 and sprays the stability of gas direction. In addition, the surface of the opening 102 facing the fixing seat 22 has an opening, so that the air inlet channel 32 is clamped in the opening 102, and the air inlet channel 32 is firmly and reliably clamped between the opening 102 and the fixing seat 22.

Preferably, the outer injection pipe 13 of the embodiment is a straight pipe, the length of the straight pipe is 60-140 mm, and the inner diameter of the straight pipe is 26-36 mm. Because draw the entrance of penetrating pipe 13 outward and install blower device 2 and nozzle assembly 3, make outer ring fire use the forced air blast as leading, consequently, through drawing penetrating pipe 13 design outward for the straight tube, when making things convenient for primary air to get into more, reduce the processing degree of difficulty that draws penetrating pipe 13 outward. Because the length of drawing the pipe 13 outward can draw the pipe 13 to be venturi tube's length shorter than current outward, makes the regional route of outer loop that flows to combustion plate subassembly shorter, guarantees that the velocity of flow when mixed gas flows to the outer loop region is faster, further promotes anti-backfire effect. In addition, the diameter ratio of drawing the pipe 13 outward is bigger than the present venturi pipe wait for a diameter, makes things convenient for the entering of primary air more for outer ring fire has bigger fire hole hot strength, makes the burning stable higher, and then improves the combustor thermal efficiency, satisfies user's the demand of stir-fry that explodes better.

More preferably, the length of the straight pipe is 110mm, and the inner diameter of the straight pipe is 31mm, so that the straight pipe and the air blowing device 2 are matched, the direct increase of the thermal strength of the outer ring fire hole and the increase of the thermal load of the infrared burner are realized under the condition that the area of the outer ring area of the combustion plate assembly 4 is not increased.

Further, the embodiment also provides an infrared stove which is provided with the air blowing type infrared burner, so that the larger heat load of the infrared stove is ensured, the stir-frying requirement of a user is met, and meanwhile, the infrared burner can be prevented from easily causing backfire.

Example 2

The infrared burner of the present embodiment is different from embodiment 1 in that: the inlet of the outer injection pipe 13 is different from the inlet of the inner injection pipe 14 in structure. Specifically, the outer ejector pipe 13 of the present embodiment is an existing venturi tube structure, and the inner ejector pipe 14 is a straight pipe, the length of the straight pipe is shorter than that of the existing inner ejector pipe, and the inner diameter of the straight pipe is larger than the diameter of the waiting portion of the existing inner ejector pipe. The air blowing device 2 and the nozzle assembly 3 are installed at the inlet of the inner injection pipe 14, and other parts are the same as those of the embodiment 1.

Therefore, the inner injection pipe 14 is designed to be a straight pipe, so that the processing difficulty of the inner injection pipe 14 is reduced while one-time air entering is facilitated. Through including drawing the entrance installation blast apparatus 2 and the nozzle assembly 3 of ejector pipe 14 for the inner ring fire hole intensity of infrared burner is bigger, increases the heat load of inner ring fire, and guarantees that the inner ring fire is difficult for initiating the tempering.

Example 3

The infrared burner of the present embodiment is different from embodiment 1 in that: the inlet of the inner injection pipe 14 has different structures. Specifically, the inner injection pipe 14 is a straight pipe, the length of the straight pipe is shorter than that of the existing inner injection pipe, and the inner diameter of the straight pipe is larger than the diameter of the waiting part of the existing inner injection pipe. The air blowing device 2 and the nozzle assembly 3 are installed at the inlet of the inner injection pipe 14, and other parts are the same as those of the embodiment 1.

Therefore, the inner injection pipe 14 and the outer injection pipe 13 are both designed to be straight pipes, so that the air can enter more conveniently, the processing difficulty of the inner injection pipe 14 and the outer injection pipe 13 is reduced, and the manufacturing cost is lower. Through including drawing the entrance of penetrating pipe 14 and penetrating pipe 13 outward and all installing blast apparatus 2 and nozzle assembly 3 for the fire hole intensity of the inner ring of infrared burner and outer loop is bigger, increases the whole heat load of combustor, and guarantees that the combustor is difficult for initiating the tempering more.

Example 4

The infrared burner of the present embodiment is different from embodiment 1 in that: the mounting structure of the intake passage 32 is different. Specifically, this embodiment is integrated on outer ejector pipe 13 with inlet channel 32, and inlet channel 32 draws ejector pipe 13 integrated into one piece outward promptly, like this, has not only saved inlet channel 32's assembly process, guarantees that inlet channel 32's installation is more firm reliable, can also avoid inlet channel 32 and the cooperation department of outer ejector pipe 13 to take place to leak gas.

Example 5

The infrared burner of the present embodiment is different from the infrared burner of

embodiment

1, 2 or 3 in that: the infrared burner is a three-ring burner. Specifically, the burner 1 is further provided with a middle ring air cavity and a middle ejector pipe communicated with the middle ring air cavity, the middle ring air cavity is located between the outer ring air cavity 11 and the inner ring air cavity 12, the middle ejector pipe is a straight pipe or a Venturi pipe, and when the middle ejector pipe is a straight pipe, the air blowing device 2 and the nozzle assembly 3 are installed at the inlet of the straight pipe.

Therefore, the burner 1 is provided with the three-ring air cavity by additionally arranging the middle ring air cavity and the middle ejector pipe, so that the burner is provided with three-ring fire, and a user can more accurately control the cooking firepower. When drawing the pipe in the middle of for the straight tube, install blower 2 and nozzle assembly 3 at the entrance of straight tube, draw the pipe in making things convenient for primary air to get into more, draw the processing degree of difficulty of penetrating the pipe in the reduction, manufacturing cost is lower to guarantee that the heat load of zhonghuan is bigger and be difficult for causing the tempering.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a blast type infrared burner, includes furnace end (1), furnace end (1) is equipped with outer loop air cavity (11), inner loop air cavity (12), draws outward and penetrates pipe (13) and interior injection pipe (14), draw outward and penetrate pipe (13) intercommunication outer loop air cavity (11), draw in and penetrate pipe (14) intercommunication interior loop air cavity (12), its characterized in that still includes:

the air blowing device (2) is arranged at an inlet of the outer injection pipe (13) and/or the inner injection pipe (14) and is used for blowing primary air into the outer injection pipe (13) and/or the inner injection pipe (14);

and the nozzle assembly (3) is arranged in the air outlet direction of the air blowing device (2) and is used for providing fuel gas for the outer injection pipe (13) and/or the inner injection pipe (14).

2. A blast-type infrared burner according to claim 1, wherein the blast apparatus (2) comprises a blast member (21), an installation part (101) is provided at an inlet of the outer injection pipe (13) and/or the inner injection pipe (14), and the blast member (21) is installed on the installation part (101) for blowing primary air into the corresponding outer injection pipe (13) or the inner injection pipe (14).

3. A blower-type infrared burner according to claim 2, wherein the blower device (2) further includes a fixing base (22), the fixing base (22) is provided with a ventilation channel (221), the air supply member (21) is mounted on the mounting portion (101) through the fixing base (22), one end of the ventilation channel (221) is communicated with an air outlet of the air supply member (21), and the other end of the ventilation channel is communicated with an inlet corresponding to the outer injection pipe (13) or the inner injection pipe (14).

4. A blast-type infrared burner according to claim 1, wherein the nozzle assembly (3) includes a nozzle (31), the outer ejector tube (13) and/or the inner ejector tube (14) is provided with an air inlet passage (32), an air inlet (321) of the air inlet passage (32) is communicated with a gas pipe, an air outlet (322) is located in an air outlet direction of the blast apparatus (2) and communicated with the outer ejector tube (13) or the inner ejector tube (14), and the nozzle (31) is installed at the air outlet (322).

5. A blast infrared burner according to claim 1, wherein the nozzle assembly (3) comprises a nozzle (31) and an air inlet channel (32), the outer ejector tube (13) and/or the inner ejector tube (14) is provided with an opening (102) for the air inlet channel (32) to pass through, the air inlet channel (32) is installed at the opening (102) and an air inlet (321) thereof is communicated with a gas pipe, an air outlet (322) is located in an air outlet direction of the blast apparatus (2) and is communicated with the outer ejector tube (13) or the inner ejector tube (14), and the nozzle (31) is installed at the air outlet (322).

6. A blower-type infrared burner according to claim 5, characterized in that the air inlet channel (32) is integrated in the holder (22) of the blowing device (2).

7. A blower-type infrared burner according to any one of claims 1 to 6, characterised in that the outer ejector tube (13) and/or the inner ejector tube (14) to which the blower device (2) is fitted is/are straight.

8. The forced draft infrared burner according to claim 7, wherein the length of the straight tube is 60 to 140mm, and the inner diameter of the straight tube is 26 to 36 mm.

9. The blast-type infrared burner according to claim 1, wherein the burner (1) is provided with an intermediate annular chamber and an intermediate ejector pipe communicated with the intermediate annular chamber, the intermediate ejector pipe is a straight pipe or a venturi pipe, and the blast device (2) and the nozzle assembly (3) are installed at the inlet of the straight pipe.

10. An infrared cooker, characterized by a blower-type infrared burner as claimed in any one of claims 1 to 9.