CN211232871U

CN211232871U - Double-helix air inlet main fire middle burner

Info

Publication number: CN211232871U
Application number: CN201921294550.3U
Authority: CN
Inventors: 刘涛; 王仁军
Original assignee: Shengzhou Juntao Electrical Technology Co ltd
Current assignee: Shengzhou Juntao Electrical Technology Co ltd
Priority date: 2019-08-11
Filing date: 2019-08-11
Publication date: 2020-08-11
Anticipated expiration: 2029-08-11

Abstract

The utility model discloses a combustor in two spiral main fires of admitting air, including the furnace end body, this internal inner ring air flue, outer loop air flue of being equipped with of furnace end, inner ring air flue, outer loop air flue communicate respectively have interior injection pipe, draw the pipe outward, be equipped with ignition needle, thermocouple on the furnace end body, this internal interior spiral air flue, outer spiral air flue of still being equipped with of furnace end, interior spiral air flue communicates with each other with interior injection pipe, inner ring air flue respectively, and outer spiral air flue draws pipe, outer loop air flue respectively and communicates with each other with outer injection pipe, outer loop air flue, furnace end body top is equipped with hollow copper seat, has secondary air supply passageway A between copper seat and the furnace end body, be equipped with inner ring inlet channel, outer loop inlet channel on the copper seat, inner ring inlet channel, outer loop inlet channel communicate with each other with inner ring air flue, outer loop. After the structure is adopted, the utility model discloses its gas circulates smoothly with the air mixing back, and the resistance is minimum, has the characteristics that the firepower is big, the thermal efficiency is high.

Description

Double-helix air inlet main fire middle burner

Technical Field

The utility model discloses a combustor is put to two spiral main fires that admit air belongs to gas technical field.

Background

In a common burner of a gas stove, the burner generally comprises a burner body, an inner ring air passage and an outer ring air passage are arranged in the burner body, the inner ring air passage and the outer ring air passage are respectively communicated with an inner injection pipe and an outer injection pipe, and an inner ring fire cover and an outer ring fire cover are arranged at the outlets of the inner ring air passage and the outer ring air passage at the top of the burner body, when the burner is used, gas and primary air are mixed to enter the injection pipes, then enter the corresponding fire covers through the air passages, flow out of air outlet holes of the fire covers, and are ignited under the action of an ignition device, but the internal structure of the existing burner is unreasonable, particularly, the resistance is large after the gas and the primary air come out of the injection pipes, the flow is not smooth, and the gas is more sufficient for gas combustion due to less primary air after coming out of the air passages, secondary air needs to be supplemented, but the gas flowing out of the, resulting in insufficient combustion of the gas and low thermal efficiency of the inner ring fire formed from the inner ring fire cover. Therefore, a double-helix air inlet main fire middle burner is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, an object of the utility model is to provide a combustor is put to two spiral air inlet main fire, and its gas circulates smoothly after mixing with the air, and the resistance is minimum, has set up secondary air simultaneously in this internal supplementary passageway of furnace end, makes the gas can the abundant burning, has that the firepower is big, characteristics that the thermal efficiency is high.

In order to achieve the above purpose, the solution of the present invention is: a burner with double-spiral air inlet and main fire arranged in the middle comprises a burner body, an inner ring air passage and an outer ring air passage which are arranged in the burner body and are respectively communicated with an inner ejection pipe and an outer ejection pipe, an ignition needle and a thermocouple are arranged on the burner body, an inner spiral air passage and an outer spiral air passage are also arranged in the burner body, the inner spiral air passage is respectively communicated with the inner ejection pipe and the inner ring air passage, the outer spiral air passage is respectively communicated with the outer ejection pipe and the outer ring air passage, a hollow copper seat is arranged at the top of the burner body, a secondary air supply passage A is arranged between the copper seat and the burner body, an inner ring air inlet passage and an outer ring air inlet passage are arranged on the copper seat and are respectively communicated with the inner ring air passage and the outer ring air passage, a hollow fire cover is arranged on the copper seat, and an outer ring fire outlet is arranged outside the fire cover, the inner side of the fire cover is provided with an inner ring fire outlet, the bottom surface of the fire cover is matched with the top surface of the copper base, so that gas and air in the inner ring air inlet channel flow out from the inner ring fire outlet, and gas and air in the outer ring air inlet channel flow out from the outer ring fire outlet.

Preferably, the inner spiral air passage and the outer spiral air passage are both spiral, so that the mixed air flow of gas and air can be ensured to flow along the tangential direction, the gas flow is smoother, and the resistance is minimum.

Preferably, a secondary air supply channel B is arranged in the furnace end body along the central axis, an air cover is arranged in the middle of the furnace end body and is arranged in the hollow position of the copper seat, the inner part of the air cover is communicated with an air outlet of the secondary air supply channel B, an air outlet hole is formed in the side face of the air cover, and after air enters the secondary air supply channel B from the bottom of the furnace end body, the air can flow out of the air outlet hole along the channel, so that secondary air can be effectively supplemented to intake air in the inner ring fire combustion process.

Preferably, the inner ring fire outlet holes are obliquely arranged towards the central line direction of the fire cover, so that flames generated by the inner ring fire outlet holes in the circle on the inner side of the fire cover are gathered, the flames in the inner ring are gathered, heat is concentrated, and the heat efficiency can be effectively improved.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses gas and primary air mix the back and pass through drawing the ejector pipe and get into spiral air flue, mix the gas circulation smooth and easy, the resistance is minimum, has set up secondary air simultaneously in this body of furnace end and has supplemented the passageway, makes the effective replenishment of carrying out secondary air in the inner ring fire combustion process, makes the gas can fully burn, has the characteristics that the firepower is big, the thermal efficiency is high.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is an exploded view of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a sectional view of the furnace end body of the present invention;

FIG. 5 is a perspective view of the furnace end body of the present invention;

fig. 6 is a schematic view of the flow direction of the secondary air supply of the present invention.

In the figure: 1. a furnace end body; 2. an inner annular air passage; 3. an outer annular air passage; 4. an inner injection pipe; 5. an outer ejector tube; 6. an ignition needle; 7. a thermocouple; 8. a copper base; 9. a secondary air supply passage A; 10. an inner ring air inlet passage; 11. an outer ring air intake passage; 12. a fire cover; 13. an outer ring fire outlet; 14. the inner ring is provided with a fire outlet; 15. a secondary air supply passage B; 16. an air cap; 17. an air outlet; 18. an inner spiral air passage; 19. an outer spiral air channel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, 2 and 3, a double-spiral air inlet main fire middle burner comprises a burner body 1, an inner annular air passage 2 and an outer annular air passage 3 are arranged in the burner body 1, the inner annular air passage 2 and the outer annular air passage 3 are respectively communicated with an inner injection pipe 4 and an outer injection pipe 5, an inner spiral air passage 18 and an outer spiral air passage 19 are also arranged in the burner body 1, the inner spiral air passage 18 is respectively communicated with an inner injection pipe 4 and an inner annular air passage 2, the outer spiral air passage 19 is respectively communicated with an outer injection pipe 5 and an outer annular air passage 3, mixed gas in the inner injection pipe 4 and the outer injection pipe 5 can respectively enter the inner spiral air passage 18 and the outer spiral air passage 19 and flows upwards along with the spiral air passages and then enters the inner annular air passage 2 and the outer annular air passage 3; an ignition needle 6 and a thermocouple 7 are arranged on a furnace end body 1, a hollow copper seat 8 is arranged at the top of the furnace end body 1, the middle part of the copper seat 8 is designed to be hollow, a secondary air supply channel A9 is arranged between the copper seat 8 and the furnace end body 1, air can enter from the secondary air supply channel A9, an inner ring air inlet channel 10 and an outer ring air inlet channel 11 are arranged on the copper seat 8, the inner ring air inlet channel 10 and the outer ring air inlet channel 11 are respectively communicated with an inner ring air flue 2 and an outer ring air flue 3, mixed gas flowing out of the inner ring air flue 2 and the outer ring air flue 3 can respectively enter the inner ring air inlet channel 10 and the outer ring air inlet channel 11, a hollow fire cover 12 is arranged on the copper seat 8, an outer ring fire outlet hole 13 is arranged on the outer side of the fire cover 12, an inner ring fire outlet hole 14 is arranged on the inner side of the fire cover 12, the bottom surface of the fire cover 12 is matched with the top surface, the gas and air in the outer ring air inlet channel 11 flow out from the outer ring fire outlet hole 13.

Referring to fig. 1, it should be noted that the inner spiral air passage 18 and the outer spiral air passage 19 are both spiral, and spiral upward can ensure the mixed gas flow of gas and air to flow along the tangential direction, so that the gas flow is smoother and the resistance is minimum.

Referring to fig. 3 and 6, a secondary air supply channel B15 is arranged in the burner body 1 along the central axis, an air cap 16 is arranged in the middle of the burner body 1, the air cap 16 is arranged at the hollow position of the copper base 8, the inside of the air cap 16 is communicated with an air outlet of the secondary air supply channel B15, an air outlet 17 is arranged on the side surface of the air cap 16, and after entering the secondary air supply channel B15 from the bottom of the burner body 1, air can flow out from the air outlet 17 along the channel, so as to effectively supplement secondary air for the internal ring fire combustion process.

Referring to fig. 1 again, the inner ring fire outlet 14 is inclined toward the central line of the fire cover 12, and the inclination angle is generally 45-60 degrees, so that the flames generated by the inner ring fire outlet in one circle inside the fire cover 12 are gathered, the inner ring flames are gathered, the heat is concentrated, and the heat efficiency can be effectively improved.

Still need to explain, if, fig. 1, fig. 4, fig. 5, fig. 6, during the use of the utility model, after getting into interior injection pipe 4, the pipe 5 is penetrated to the outer injection after gas and air mixing, the rethread gets into interior spiral air flue 18, outer spiral air flue 19 respectively, it is smooth and easy to make the mixed gas circulate, and the resistance is little, then rethread gets into inner ring air flue 2, outer ring air flue 3 respectively, rethread gets into inner ring inlet channel 10, outer loop inlet channel 11 respectively afterwards, the mixed gas is gone out the fire hole 13 from the outer loop on the fire lid 12 through inner ring inlet channel 10, outer loop inlet channel 11 at last, inner ring goes out the fire hole 14 and flows out. It is still to be explained that the utility model discloses secondary air supplyes the passageway: firstly, an assembly three-dimensional space of the copper seat 8 and the furnace end body 1 is used as a secondary air supply channel A9; secondly, reserve proprietary secondary air supply passage B15 in furnace end body 1, secondary air supply passage B15 bottom communicates with atmosphere, carries out the effective replenishment of secondary air to the inner ring combustion process.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a combustor in main fire of admitting air of double helix, includes the furnace end body, this internal inner ring air flue, the outer loop air flue of being equipped with of furnace end, inner ring air flue, outer loop air flue respectively the intercommunication have interior draw penetrate the pipe, draw outward and penetrate the pipe, are equipped with ignition needle, thermocouple, its characterized in that on the furnace end body: the novel burner is characterized in that an inner spiral air passage and an outer spiral air passage are further arranged in the burner body, the inner spiral air passage is respectively communicated with an inner injection pipe and an inner ring air passage, the outer spiral air passage is respectively communicated with an outer injection pipe and an outer ring air passage, a hollow copper seat is arranged at the top of the burner body, a secondary air supply passage A is arranged between the copper seat and the burner body, an inner ring air inlet passage and an outer ring air inlet passage are arranged on the copper seat, the inner ring air inlet passage and the outer ring air inlet passage are respectively communicated with the inner ring air passage and the outer ring air passage, a hollow fire cover is arranged on the copper seat, an outer ring fire outlet is arranged on the outer side of the fire cover, an inner ring fire outlet is arranged on the inner side of the fire cover, the bottom surface of the fire cover is matched with the top surface of the copper seat, so that gas and air in the inner.

2. The double-helix air-intake main-fire mid-set burner according to claim 1, characterized in that: the inner spiral air passage and the outer spiral air passage are both spiral.

3. The double-helix air-intake main-fire mid-set burner according to claim 1, characterized in that: the furnace end body is internally provided with a secondary air supply channel B along a central shaft, the middle of the furnace end body is provided with an air cover, the air cover is arranged at the hollow position of the copper seat, the inner part of the air cover is communicated with an air outlet of the secondary air supply channel B, and the side surface of the air cover is provided with an air outlet.

4. The double-helix air-intake main-fire mid-set burner according to claim 1, characterized in that: the inner ring fire outlet hole is obliquely arranged towards the central line direction of the fire cover.