CN218820376U

CN218820376U - Spiral ascending mixing cavity and combustor

Info

Publication number: CN218820376U
Application number: CN202222704312.3U
Authority: CN
Inventors: 吕波; 柳惠斌; 柳青; 杨笑; 任翠萍
Original assignee: Shanghai Joule Fluctuation Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Shanghai Joule Fluctuation Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-04-07
Anticipated expiration: 2032-10-14

Abstract

The utility model provides a spiral rising mixing chamber and burner, including the shell and set up in the drum in shell center, the drum center sinks and is provided with kindling cap, kindling pipe and response ignition needle, the drum lateral wall is provided with kindling hole, form the annular mixing chamber between shell and the drum, the annular mixing chamber is divided into at least two-layer by the baffle, is provided with an opening on the baffle and staggers each other; a first air inlet is formed in one side of the bottom of the annular mixing cavity at the bottommost layer; the top of the annular mixing chamber located at the topmost layer is provided with a second outlet. According to the spiral ascending mixing cavity and the burner, gas and air are spirally ascending mixed in the annular cavity, and under the condition that the height of the premixing furnace head is the same, the mixing distance of the gas and the air is longer, the mixing effect is better, and the combustion is more sufficient.

Description

Spiral ascending mixing cavity and combustor

Technical Field

The utility model relates to a furnace end technical field, in particular to spiral rising's hybrid chamber and combustor.

Background

The burner of the stove is a part that burns directly, the appropriate gas mixing ratio and sufficient mixing are the key to guarantee high-efficiency burning, can reach the ideal combustion effect only after the gas and air are fully mixed, the basic structure of the premixing burner is that there is a premixing cavity in the burner, there is a fire in the middle part, or the ignition needle, there are an air blower air inlet and a gas inlet below or on the side of the premixing cavity, in addition, there is a fire outlet (burner) above the burner, its principle is, blow air and gas are injected into the premixing cavity first, make it mix inside, spray out through the fire outlet and burn, the premixing burner mainly considers the mixing ratio of air and gas, but does not fully consider the mixing effect, its combustion mode is that the gas enters the burner from the spray nozzle, the burner flows in the inner edge, premix, then directly burn through the fire cover air vent above the burner, that the existing burner has only set up a mixing structure, or the mixing cavity has a bent pipe, the premixing adopts the upper and lower split structure, cause the instability of burning efficiency, even the instability of the gas is not fully discharged, the gas, still can not cause the problem of the existing burner.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is, to last above-mentioned problem, need to provide a spiral shell screwing in rose hybrid chamber and combustor urgently, mixes under the condition of the furnace end co-altitude in advance, and the gas is longer with the mixed distance of air, and the mixed effect is better, burns more fully.

The utility model provides a spiral ascending mixing cavity, which comprises a shell and a cylinder arranged in the center of the shell, wherein an annular mixing cavity is formed between the shell and the cylinder, the annular mixing cavity is divided into at least two layers by a partition plate, and the partition plate is provided with an opening and is mutually staggered;

a first air inlet is formed at the bottom or one side of the annular mixing cavity at the bottommost layer; the top of the annular mixing chamber located at the topmost layer is provided with a second outlet.

Preferably, the annular mixing chamber is formed by a partition plate into a first mixing chamber and a second mixing chamber above the first mixing chamber, a first air inlet is formed in one side of the first mixing chamber, and a first outlet of the first mixing chamber is communicated with the second mixing chamber.

Preferably, the top of the second mixing chamber is inclined inwards.

Preferably, a fire hole cover is arranged at the top of the second mixing cavity.

Preferably, the inlet of the fire hole cover is communicated with the second outlet.

Preferably, the outlet of the fire hole cover is arranged by inward spraying.

Preferably, the outlet of the fire hole cover is arranged in an upward spraying mode.

Preferably, the outlet of the fire hole cover is arranged towards the inclined spraying direction.

Preferably, the outlet of the fire hole cover is arranged to be sprayed outwards.

A burner is also provided comprising the above-described spiral-up mixing chamber.

The utility model has the advantages and beneficial effect:

the utility model provides a spiral ascending mixing chamber and burner, including the annular chamber that shell and drum formed, set up the annular chamber into the second mixing chamber above first mixing chamber and the first mixing chamber through the baffle, gas and air enter from one side of the bottom of first mixing chamber, mix for the first time in first mixing chamber, enter the second mixing chamber and mix again; under the condition that the height of the premixing furnace head is the same, the mixing distance of gas and air is longer, the mixing effect is better, the combustion is more sufficient, and the gas and the air are spirally lifted and mixed in the annular cavity. The spiral ascending mixing cavity and the combustor have more compact structure and better integral sense.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of a spiral ascending mixing chamber and a burner of the present invention;

FIG. 2 is a schematic view of a mixing chamber and a burner of a second embodiment of the present invention;

FIG. 3 is a schematic structural view of a third embodiment of the spiral ascending mixing chamber and burner of the present invention;

fig. 4 is a schematic top view of the first mixing chamber 4 of the present invention;

fig. 5 is a schematic top view of the second mixing chamber 5 according to the present invention;

fig. 6 is a schematic top view of the top portion 11 of the present invention;

the device comprises a shell, a cylinder 2, a partition plate 3, a first mixing cavity 4, a second mixing cavity 5, a first air inlet 6, a first outlet 7, a second outlet 9, a fire hole cover 10, a top 11, a fire cap 12, a fire tube 13, a firing needle 14, an outlet of the fire hole cover 15 and a drain pipe 16.

Detailed Description

Referring to fig. 1-6, the present invention provides a spiral ascending mixing chamber, including a housing 1 and a cylinder 2 disposed at the center of the housing 1, a seed cap 12, a seed tube 13 and an induction ignition needle 14 are disposed at the center of the cylinder 2, a seed hole is disposed on the side wall of the cylinder 2, an annular mixing chamber is formed between the housing 1 and the cylinder 2, the annular mixing chamber is divided into at least two layers by a partition plate 3, and the partition plate 3 is provided with an opening and staggered with each other; a first air inlet 6 is arranged at the bottom or one side of the annular mixing cavity at the bottommost layer; the top of the annular mixing chamber located at the topmost layer is provided with a second outlet.

In another embodiment, the annular mixing chamber is divided into a first mixing chamber 4 and a second mixing chamber 5 above the first mixing chamber 4 by a partition plate, a first air inlet 6 is arranged at one side of the first mixing chamber 4, and a first outlet 7 of the first mixing chamber 4 is communicated with the second mixing chamber 5. The gas and the air enter the first mixing cavity 4 from the first air inlet 6, are mixed for the first time in the first mixing cavity 4 and enter the second mixing cavity 5 for mixing again; under the condition of premixing the furnace end at the same height, the mixing distance of gas and air is longer, the mixing effect is better, the burning is more sufficient, the openings on the division plate are staggered mutually, the gas and the air are in spiral ascending mixing in the annular cavity, and the mixing effect is improved. The spiral ascending mixing cavity and the combustor are more compact in structure and better in integral sense.

In another embodiment, the cylinder 2 is provided with a seed cap 12, a seed tube 13, an induction ignition needle 14 and a drain tube 16 which are sunk in the center.

In one embodiment, the top 11 of the second mixing chamber 5 is provided with a second outlet 9, and the gas and air which are mixed sufficiently through a plurality of times enter the center of the cylinder from the second outlet 9 for combustion.

In one embodiment, the top 11 of the second mixing chamber 5 is arranged to incline inwards, and is arranged to incline downwards from one end of the second mixing chamber 5 far away from the barrel body to one end close to the center of the barrel body, and the second outlet 9 of the top 11 is arranged towards the seed cap 12, so that the combustion efficiency is improved.

In one embodiment, the top 11 of the second mixing chamber 5 is provided with a fire hole cover 10, and the gas and air are mixed and then sprayed out through the fire hole cover 10.

In one embodiment, the inlet of the fire hole cover 10 is communicated with the second outlet 9.

In one embodiment, the outlet 15 of the fire hole cover is inwardly directed.

In one embodiment, the outlet 15 of the fire hole cover is upwardly directed.

In one embodiment, the outlet 15 of the fire hole cover is arranged to be inclined.

In one embodiment, the outlet 15 of the fire hole cover is arranged to be outwardly sprayed.

The utility model has the advantages and beneficial effect:

the utility model provides a spiral ascending mixing chamber and burner, including the annular chamber that shell 1 and drum 2 formed, set the annular chamber into first mixing chamber 4 and second mixing chamber 5 above the first mixing chamber 4 through baffle 3, gas and air enter from one side of first mixing chamber 4, mix for the first time in first mixing chamber 4, enter second mixing chamber 5 and mix again; under the condition of the same height of the premixing furnace head, the mixing distance of gas and air is longer, the mixing effect is better, the combustion is more sufficient, the gas and the air rise and mix in the annular cavity in a spiral mode, and the combustion efficiency is improved. The spiral ascending mixing cavity and the combustor have more compact structure and better integral sense.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, the scope of the present description should be considered as being described in the present specification. The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. For those skilled in the art, without departing from the spirit of the present invention, several modifications and improvements can be made without departing from the scope of the present invention.

Claims

1. A spiral ascending mixing cavity is characterized by comprising a shell and a cylinder arranged in the center of the shell, wherein an annular mixing cavity is formed between the shell and the cylinder, the annular mixing cavity is divided into at least two layers by a partition plate, and the partition plates are provided with openings which are mutually staggered;

2. The spiral-ascending mixing chamber of claim 1, wherein: the annular mixing chamber is formed into a first mixing chamber and a second mixing chamber above the first mixing chamber by a partition plate, a first air inlet is formed in one side of the first mixing chamber, and a first outlet of the first mixing chamber is communicated with the second mixing chamber.

3. The spiral-rising mixing chamber of claim 2, wherein: the top of the second mixing cavity is arranged in an inward inclined mode.

4. The spiral-rising mixing chamber of claim 2, wherein: and a fire hole cover is arranged at the top of the second mixing cavity.

5. The spiral-ascending mixing chamber of claim 4, wherein: and the inlet of the fire hole cover is communicated with the second outlet.

6. The spiral-rising mixing chamber of claim 4, wherein: the outlet of the fire hole cover is arranged in an inward spraying mode.

7. The spiral-ascending mixing chamber of claim 4, wherein: the outlet of the fire hole cover is upward spraying.

8. The spiral-rising mixing chamber of claim 4, wherein: the outlet of the fire hole cover is arranged in an inclined spraying mode.

9. The spiral-rising mixing chamber of claim 4, wherein: and the outlet of the fire hole cover is outwards sprayed.

10. A burner, characterized by: comprising a spiral-rising mixing chamber according to any of claims 1 to 9.