CN210891638U

CN210891638U - Upper air inlet burner

Info

Publication number: CN210891638U
Application number: CN201921781631.6U
Authority: CN
Inventors: 张少华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-30
Anticipated expiration: 2029-10-22

Abstract

The utility model relates to an upper air inlet burner, including distributor seat, distributor seat includes outer loop air mixing cavity and inner ring air mixing cavity, distributor seat's bottom is equipped with the furnace end, be equipped with the outer loop air chamber on the furnace end, the outer loop mixes the air mixing cavity in advance, central air chamber and center mix the air mixing cavity in advance, one side of outer loop air chamber is equipped with the outer loop nozzle, its opposite side is equipped with the outer loop and draws the ejector tube, the end of giving vent to anger that the outer loop draws the ejector tube is connected with outer loop air mixing cavity in advance, outer loop air mixing cavity and outer loop mix the air mixing cavity intercommunication in advance, be equipped with the central nozzle in the center air mixing cavity in advance, the center air chamber sets up in the outside that the air mixing cavity in advance in the center, inner ring air mixing cavity and center mix the air mixing cavity in advance and communicate, the outer loop mixes the air mixing.

Description

Upper air inlet burner

Technical Field

The utility model relates to a combustor field specifically is an upper air inlet combustor.

Background

The existing upper air inlet burner causes the gas and air to be mixed unevenly in the gas mixing cavity, the combustion is insufficient, and the flame force of the burner is uneven.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide an upper air inlet burner, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.

The purpose of the utility model is realized like this:

the utility model provides an upper air inlet burner, including distributor seat, distributor seat includes outer loop gas mixing cavity and inner ring gas mixing cavity, distributor seat's bottom is equipped with the furnace end, be equipped with the outer loop air chamber on the furnace end, the outer loop mixes the gas mixing cavity in advance, central air chamber and center mix the gas mixing cavity in advance, one side of outer loop air chamber is equipped with the outer loop nozzle, its opposite side is equipped with outer loop and draws the ejector tube, the outer loop draws the end of giving vent to anger of ejector tube and is connected with the outer loop gas mixing cavity in advance, outer loop gas mixing cavity and outer loop gas mixing cavity in advance intercommunication, be equipped with the center in the center gas mixing cavity and draw the ejector tube, the one end that the center draws the ejector tube outwards feeds through, its other end is equipped.

The outer ring premixing air cavity is C-shaped, and a C-shaped clamping seat corresponding to the outer ring premixing air cavity is arranged at the bottom of the distributor base.

An ignition needle and a thermocouple are arranged on the furnace end and respectively extend upwards into the distributor base.

The upper part of the outer ring gas mixing cavity is provided with an outer ring fire cover, and the upper part of the inner ring gas mixing cavity is provided with a central fire cover.

The other end of the outer ring injection pipe, corresponding to the outer ring air cavity, is provided with a premixed air lower cavity, and the outer ring premixed air cavity is connected with the outer ring injection pipe through the premixed air lower cavity.

The bottom of the premixed gas lower cavity is open and is provided with a metal sealing cover, and the metal sealing cover is fixedly connected with the premixed gas lower cavity through a rivet device.

The utility model has the advantages that:

the outer loop mixes air cavity and center in advance with the air cavity mutually independently and mixes the gas, then separately gets into the outer loop of distributor seat and the inner ring mixes in the air cavity respectively, the outer loop mixes the air cavity in advance and the center mixes the air cavity makes the space of mixing the gas bigger, and gas and air mixing are more abundant, make the outer loop mix the air cavity and the gas in inner ring mix the air cavity and all obtain more abundant burning, and the whole firepower of product is more even simultaneously, and experience effect is better.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

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

Fig. 2 is an exploded view of the embodiment of the present invention.

Fig. 3 is a first cross-sectional view of the embodiment of the present invention.

Fig. 4 is a second cross-sectional view of the embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-4, the upper air intake burner comprises a distributor base 1, the distributor base 1 comprises an outer annular air mixing cavity 11 and an inner annular air mixing cavity 12, a burner 2 is arranged at the bottom of the distributor base 1, an outer annular air cavity 21 is arranged on the burner 2, an outer annular air pre-mixing cavity 22, a central air cavity 23 and a central air pre-mixing cavity 24 are arranged on the burner 2, an outer annular nozzle 31 is arranged on one side of the outer annular air cavity 21, an outer annular ejector tube 41 is arranged on the other side of the outer annular ejector tube 41, the air outlet end of the outer annular ejector tube 41 is connected with the outer annular air pre-mixing cavity 22, the outer annular air mixing cavity 11 is communicated with the outer annular air pre-mixing cavity 22, a central ejector tube 42 is arranged in the central air pre-mixing cavity 24, one end of the central ejector tube 42 is communicated outwards, a central nozzle 32 is arranged on the other end of the central air cavity 23, the inner annular air mixing, then respectively enter the outer ring air mixing cavity 11 and the inner ring air mixing cavity 12 of the distributor base 1, the outer ring air mixing cavity 22 and the center air mixing cavity 24 enable the air mixing space to be larger, the gas and the air are mixed more fully, and the gas of the outer ring air mixing cavity 11 and the gas of the inner ring air mixing cavity 12 are combusted more fully.

Further, outer loop mixes air cavity 22 in advance and is the C shape, and the bottom of distributor seat 1 is equipped with the cassette 25 that is the C shape that corresponds with outer loop mixes air cavity 22 in advance, and convenience of customers installs, makes the mist distribute and get into outer loop and mix in the air cavity 11 more evenly moreover, and the whole firepower of product is more even, and experience effect is better.

Furthermore, an ignition needle 5 and a thermocouple 6 are arranged on the burner 2, and the ignition needle 5 and the thermocouple 6 respectively extend upwards into the distributor base 1.

Further, an outer ring fire cover 7 is arranged at the upper part of the outer ring air mixing cavity 11, and a central fire cover 8 is arranged at the upper part of the inner ring air mixing cavity 12.

Further, the outer ring draws the other end that the pipe 41 corresponds outer ring air cavity 21 to be equipped with cavity 26 under the premixed gas, outer ring premixed gas chamber 22 and outer ring draw and penetrate the pipe 41 between through cavity 26 under the premixed gas and be connected, make gas and air mix the gas and then get into the outer ring and mix the gas chamber under the premixed gas in cavity 26, make the mixed gas that gets into in outer ring gas chamber 11 mix more fully, the burning is more abundant.

Further, the bottom of the premixed gas lower cavity 26 is open and is provided with a metal sealing cover 261, so that production and processing are facilitated, and the metal sealing cover 261 is fixedly connected with the premixed gas lower cavity 26 through a rivet device.

Air enters the outer ring air cavity 21, meanwhile, gas also enters the outer ring air cavity 21 through the outer ring nozzle 31 to form negative pressure, so that mixed gas of the gas and the air enters the outer ring ejector tube 41, the mixed gas sequentially passes through the outer ring ejector tube 41 and the premixed gas lower cavity 26, and the outer ring premixed air cavity 22 enters the outer ring premixed air cavity to be combusted;

air enters the central premixing air cavity 24 through the central air cavity 23, meanwhile, gas enters the central premixing air cavity 24 through the central nozzle 32 after passing through the central ejector tube 42, and the air and the gas are mixed in the central premixing air cavity 24 and then enter the inner ring gas mixing cavity for combustion.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. An upper air inlet burner comprises a distributor base (1), wherein the distributor base (1) comprises an outer ring air mixing cavity (11) and an inner ring air mixing cavity (12), and is characterized in that a burner head (2) is arranged at the bottom of the distributor base (1), an outer ring air cavity (21), an outer ring air mixing cavity (22), a central air cavity (23) and a central air mixing cavity (24) are arranged on the burner head (2), an outer ring nozzle (31) is arranged on one side of the outer ring air cavity (21), an outer ring ejector tube (41) is arranged on the other side of the outer ring air cavity, the air outlet end of the outer ring ejector tube (41) is connected with the outer ring air mixing cavity (22), the outer ring air mixing cavity (11) is communicated with the outer ring air mixing cavity (22), a central ejector tube (42) is arranged in the central air mixing cavity (24), one end of the central ejector tube (42) is communicated outwards, and the other end of the central nozzle (, the central air cavity (23) is arranged on the outer side of the central premixing air cavity (24), and the inner ring premixing air cavity (12) is communicated with the central premixing air cavity (24).

2. The upper intake burner of claim 1, wherein: the outer ring premixing air cavity (22) is C-shaped, and a C-shaped clamping seat (25) corresponding to the outer ring premixing air cavity (22) is arranged at the bottom of the distributor base (1).

3. The upper intake burner of claim 1, wherein: an ignition needle (5) and a thermocouple (6) are arranged on the furnace end (2), and the ignition needle (5) and the thermocouple (6) respectively extend upwards into the distributor base (1).

4. The upper intake burner of claim 1, wherein: the upper part of the outer ring gas mixing cavity (11) is provided with an outer ring fire cover (7), and the upper part of the inner ring gas mixing cavity (12) is provided with a central fire cover (8).

5. The upper intake burner of any one of claims 1 to 4, wherein: the other end of the outer ring ejection pipe (41) corresponding to the outer ring air cavity (21) is provided with a premixed air lower cavity (26), and the outer ring premixed air cavity (22) is connected with the outer ring ejection pipe (41) through the premixed air lower cavity (26).

6. The upper intake burner of claim 5, wherein: the bottom of the premixed gas lower cavity (26) is open and is provided with a metal sealing cover (261), and the metal sealing cover (261) is fixedly connected with the premixed gas lower cavity (26) through a rivet device.