CN207635343U

CN207635343U - A kind of ejector pipe and application have the burner of the ejector pipe

Info

Publication number: CN207635343U
Application number: CN201721854526.1U
Authority: CN
Inventors: 卢华师
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2017-12-26
Filing date: 2017-12-26
Publication date: 2018-07-20
Anticipated expiration: 2027-12-26

Abstract

The utility model is related to the burners that a kind of ejector pipe and application have the ejector pipe, include main mixing chamber and secondary mixing chamber, main ejector pipe is connected with below main mixing chamber, secondary ejector pipe is connected with below secondary mixing chamber, it is characterised in that：The intersection of the injection end of secondary ejector pipe and main ejector pipe is coplanar, the outlet port of secondary ejector pipe is pierced by from the outlet port center of main ejector pipe, compared with prior art, the utility model has the advantage of the intersection of the injection end of secondary ejector pipe and main ejector pipe is coplanar, that is the plane at the coplanar place of the two intersection is vertical with the plane where support leg end, the friction loss and local resistance loss of secondary ejector pipe can be effectively reduced in this way, the resistance flowed to gas can then be substantially reduced, and then improve the burning efficiency of burner, simultaneously, moreover it is possible to effectively reduce production cost.

Description

A kind of ejector pipe and application have the burner of the ejector pipe

Technical field

The utility model is related to the burner of gas cooker more particularly to a kind of ejector pipes and application the ejector pipe Burner.

Background technology

Burner is the important component of gas-cooker, it decides the performance of gas-cooker.Common burner includes mainly stove Head, with above ejector pipe that burner is connect, burner air distribution disk and the fire cover that is arranged above air distribution disk.Wherein, burner is One of them important structure member of burner its role is to introduce combustion gas from gas nozzle, and draws from burner inlet Air is penetrated, air and combustion gas mixing are introduced into air distribution disk, keep mixed gas speed and pressure as uniform as possible.

Furnace head structure generally includes main ejector pipe, secondary ejector pipe, the main mixing chamber being connected with main ejector pipe and draws with pair The secondary mixing chamber of pipe linking is penetrated, the diameter of secondary mixing chamber is less than the diameter of main mixing chamber, is located at the interior of main mixing chamber Portion, and be usually to be coaxially set with main mixing chamber, main ejector pipe is respectively positioned on the outside of main mixing chamber with secondary ejector pipe, main Mixing chamber gas outlet is corresponding with the outer shroud blast tube of top air distribution disk, secondary mixing chamber gas outlet and top air distribution disk Inner ring blast tube is corresponding.Since secondary mixing chamber will be located at the inside of main mixing chamber, main ejector pipe and secondary ejector pipe are equal Positioned at the outside of main mixing chamber, then inherently there is the place that crosses, existing skill between each ejector pipe and its correspondence mixing chamber Since burner design is unreasonable in art, the place that crosses will produce interference, form protrusion, and protrusion can give birth to resistance to gas stream movable property Hinder, influence injection, causes induction efficiency low, the combustion defects such as flue gas emission high not high so as to cause efficiency of combustion.To overcome Drawbacks described above, one application No. is the Chinese utility model patent applications of 201511002287.2 (notification number CN105402728A) 《A kind of burner, burner and gas-cooker》It discloses and such a is connected with main injection between main ejector pipe and main mixing chamber For coupling tube to be connected the main ejector pipe of connection and main mixing chamber, main injection coupling tube has the connecting pin A being connect with main ejector pipe The connecting pin B being connect with main mixing chamber, main injection coupling tube are tilted upwards from its connecting pin A to its connecting pin B, although main The setting of injection coupling tube reduces drag losses when combustion gas and air gas mixture can be made to be ejected into main mixing chamber, but master draws It penetrates coupling tube and still has turning, still easily cause the local resistance loss of main ejector pipe herein, in addition, secondary ejector pipe and pair Mixing chamber is vertical, namely secondary ejector pipe is horizontally disposed, to make ejector pipe and the vessel of secondary mixing chamber junction be formed with directly Angle is turned round, therefore from the air mixture that secondary ejector pipe flows into when entering secondary mixing chamber, the resistance that air-flow is subject in the corner compared with Greatly, and it is readily formed turbulent flow, simultaneously because it is to be transitioned into vertical mixing chamber by horizontal ejector pipe, friction loss is big, And then influence burner combustion efficiency.

Invention content

A technical problem to be solved in the utility model be for the above-mentioned prior art present situation and provide a kind of to combustion The resistance of flow of air is small and is not likely to produce the ejector pipe of turbulent flow.

Another technical problem to be solved in the utility model be for the above-mentioned prior art present situation and one kind is provided and is answered With the burner for having above-mentioned ejector pipe.

Technical solution is used by the utility model solves above-mentioned technical problem：The ejector pipe includes main mixing chamber Body and secondary mixing chamber, the main mixing chamber lower section are connected with main ejector pipe, and being connected with pair below the pair mixing chamber draws Penetrate pipe, it is characterised in that：The intersection of the injection end of the pair ejector pipe and the main ejector pipe is coplanar, the outlet of the pair ejector pipe Mouth end is pierced by from the outlet port center of the main ejector pipe, and at least two support legs are provided with below the main ejector pipe, Plane where the support leg lower end intersects coplanar place with the injection end of the secondary ejector pipe and the main ejector pipe Plane it is vertical.

It is further to reduce friction loss, the pair ejector pipe is integrated with the secondary mixing chamber, described Secondary ejector pipe is vertically arranged.The setting of integral piece makes secondary ejector pipe with secondary mixing chamber not from level to vertical mistake It crosses, and secondary ejector pipe is vertically arranged, therefore local resistance loss is also smaller, while at low cost.

Further, the angle α between the center line and the center line of the main ejector pipe of the secondary ejector pipe be 90 °≤ α≤120°.The angle is so that main ejector pipe directly to vertical 90 ° settings or is more than from horizontal transition with main mixing chamber 90 ° of settings, eliminate other interface components in the prior art, to reduce local resistance loss, while the angle setting of the angle α Reduce drag losses when combustion gas and air gas mixture can be allowed to be ejected into main mixing chamber, injection it is more smooth, smoothed It crosses；If the excessive local resistance loss of angle α is smaller, but the volume for be easy to causeing ejector pipe is excessively huge, holds if angle α is too small The joining place for easily causing main ejector pipe and main mixing chamber is excessively narrow, and is unfavorable for the reduction of gas flow resistance.

Further, the injection end of the main ejector pipe tilts upward setting along air intake end to outlet port direction.

Preferably, the angle of inclination at the injection end of the main ejector pipe is 1 °~10 °.The big then burner of angle is too high, stove Head volume increases, it will be difficult to meet the requirement of especially embedded gas range, if angle too small, then gas-flow resistance is big, to drop Low air flow resistance and the effect unobvious for reducing vessel volume.

The angle between plane where the center line of the main ejector pipe and the support leg lower end draws based on being Penetrate the acclivitous angle in pipe injection end.

The utility model also provides the burner that a kind of application has above-mentioned ejector pipe, it is characterised in that：Include burner, institute It includes the main ejector pipe and the secondary ejector pipe to state burner.

Compared with prior art, the utility model has the advantage of the intersections of the injection end of secondary ejector pipe and main ejector pipe altogether The plane that coplanar place is intersected in face, i.e. the two is vertical with the plane where support leg end, can effectively reduce secondary injection in this way The friction loss and local resistance loss of pipe can then substantially reduce the resistance flowed to gas, and then improve burner Burning efficiency, simultaneously, moreover it is possible to effectively reduce production cost.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model embodiment 1；

Fig. 2 is the sectional view of Fig. 1；

Fig. 3 is the structural schematic diagram of the utility model embodiment 2；

Fig. 4 is the sectional view of Fig. 2.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing embodiment.

Embodiment 1

As illustrated in fig. 1 and 2, this ejector pipe includes main mixing chamber 2 and secondary mixing chamber 4, and 2 lower section of main mixing chamber connects It is connected to main ejector pipe 1,4 lower section of secondary mixing chamber is connected with secondary ejector pipe 3, the injection end intersection of secondary ejector pipe 3 and main ejector pipe 1 Coplanar, the outlet port of secondary ejector pipe 3 is pierced by from the outlet port center of main ejector pipe 1, in 1 outlet port of main ejector pipe Inner wall and the outer wall of secondary 3 outlet port of ejector pipe between be formed with blast tube.And it is provided at least below main ejector pipe Two support legs 6, the plane where 6 lower end of support leg intersect coplanar institute with the injection end of secondary ejector pipe 3 and main ejector pipe 1 Plane it is vertical, the secondary ejector pipe 3 that focuses on of the utility model is integrated with secondary mixing chamber 4, and the two is combined into one, Secondary ejector pipe 3 can be made with secondary mixing chamber 4 not from level to vertical transition, i.e., pair ejector pipe 3 is vertically arranged, therefore Local resistance loss is also smaller, while at low cost.

Further, to reduce the local resistance loss of main ejector pipe 1, the center line of main ejector pipe 1 and secondary ejector pipe 3 Angle α between center line is 90 °, since main ejector pipe 1 and main mixing chamber 2 are directly to be arranged from horizontal transition to 90 °, is saved Other interface components are removed, to reduce local resistance loss, while the angle setting of the angle α can allow combustion gas and air to mix Reduce drag losses when gas injection is to main mixing chamber 2, injection it is more smooth, seamlessly transit, which is guaranteeing to have Under the premise of effect reduces local resistance loss, the volume that also cannot be easily caused ejector pipe is excessively huge.To be further reduced part The joining place of drag losses, main ejector pipe 1 and main mixing chamber 2 is rounding off.

The utility model also provides the burner that a kind of application has above-mentioned ejector pipe, includes burner, burner includes master The injection end intersection of ejector pipe 1 and secondary ejector pipe 3, secondary ejector pipe 3 and main ejector pipe 1 is coplanar, i.e., the two intersects coplanar place Plane is vertical with the plane where 6 end of support leg, and secondary ejector pipe 3 is vertically arranged, and can effectively reduce secondary ejector pipe 3 in this way Friction loss and local resistance loss, then can substantially reduce the resistance flowed to gas, and then improve the combustion of burner Efficiency is burnt, simultaneously, moreover it is possible to effectively reduce production cost.

Embodiment 2

As shown in figure 3, essentially identical with the structure of embodiment 1, difference lies in the center lines of secondary ejector pipe 3 and main injection Angle α between the center line of pipe 1 is 120 °.

Embodiment 3

Essentially identical with the structure of embodiment 1, difference lies in the injection ends of main ejector pipe 1 along air intake end to gas outlet Extreme direction tilts upward setting, and the angle between plane where 6 lower end of center line and support leg of main ejector pipe 1 is The 1 acclivitous angle in injection end of main ejector pipe, angle of inclination is preferably 7 °, which can ensure that burner is unlikely to Tai Gao and makes At volume increase problem, moreover it is possible to reduce gas-flow resistance.

Claims

1. a kind of ejector pipe includes main mixing chamber (2) and secondary mixing chamber (4), is connected below the main mixing chamber (2) There is main ejector pipe (1), secondary ejector pipe (3) be connected with below the pair mixing chamber (4), it is characterised in that：The pair ejector pipe (3) and the intersection of the injection end of the main ejector pipe (1) is coplanar, and the outlet port of the pair ejector pipe (3) is from the main ejector pipe (1) outlet port center is pierced by, and at least two support legs (6), the support leg are provided with below the main ejector pipe (1) (6) plane where lower end intersects coplanar place with the injection end of the secondary ejector pipe (3) and the main ejector pipe (1) Plane is vertical.

2. ejector pipe according to claim 1, it is characterised in that：The pair ejector pipe (3) and the secondary mixing chamber (4) It is linked together and into a single integrated structure.

3. ejector pipe according to claim 1 or 2, it is characterised in that：The center line of the pair ejector pipe (3) and the master Angle α between the center line of ejector pipe (1) is 90 °≤α≤120 °.

4. ejector pipe according to claim 1, it is characterised in that the injection end of the main ejector pipe (1) along air intake end extremely Outlet port direction tilts upward setting.

5. ejector pipe according to claim 4, it is characterised in that the angle of inclination at the injection end of the main ejector pipe (1) is 1 °~10 °.

6. ejector pipe according to claim 5, it is characterised in that the center line of the main ejector pipe (1) and the support leg (6) angle between the plane where lower end is the acclivitous angle in main ejector pipe (1) injection end.

7. a kind of application is just like the burner of ejector pipe described in claim 1~6 any one claim, it is characterised in that： Include burner, the burner includes the main ejector pipe (1) and the secondary ejector pipe (3).