CN219283325U

CN219283325U - Plane burner

Info

Publication number: CN219283325U
Application number: CN202222560245.2U
Authority: CN
Inventors: 李敬宏; 李承霖
Original assignee: Sanyuan Meile Green Engineering Technology Co ltd
Current assignee: Sanyuan Meile Green Engineering Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-30
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a plane burner, and relates to the field of burners. The combustion device comprises a hollow sleeve which is vertically arranged, wherein a combustion disc is horizontally arranged in the middle of the hollow sleeve, a cavity positioned at the upper part of the combustion disc in the hollow sleeve is a gas mixing chamber, a cavity positioned at the lower part of the combustion disc is a combustion chamber, and the side wall of the bottom of the hollow sleeve positioned at the combustion chamber is communicated with an igniter; the upper end of the hollow sleeve is fixedly connected with an end cover, the upper part of the end cover is communicated with a fuel gas inlet pipe, an annular jacket is sleeved outside the center of the hollow sleeve, an annular cavity is formed in the jacket, the left side of the jacket is communicated with a water inlet pipe, and the bottom of the right side of the jacket is communicated with a water outlet pipe; the combustion disk comprises a plurality of hollow square tubes which are horizontally arranged side by side along the front-back direction, and a gap is reserved between two adjacent hollow square tubes; the inner walls of the front end and the rear end of the jacket close to each other are fixedly connected with a baffle plate. The utility model can realize the control of the temperature in the combustion chamber.

Description

Plane burner

Technical Field

The utility model relates to the field of combustors, in particular to a planar combustor.

Background

The burner is also called a burner, the burner is the most important equipment in the matched auxiliary machine of the fuel oil and gas boiler, the boiler burner is mainly divided into a fuel oil burner and a fuel gas burner and a dual-fuel burner (also called an oil-gas dual-purpose burner), wherein the fuel oil burner can be divided into a light oil burner and a heavy oil burner, the light oil is mainly diesel oil, and the heavy oil is the heavy oil left after the crude oil extracts gasoline and diesel oil; the gas burner can be divided into a natural gas burner, a city gas burner, a liquefied petroleum gas burner and a biogas burner, and the burner generally comprises a combustion chamber, an ignition device, a part for preventing backfire combustion of the combustion chamber into a gas conveying pipeline and the like;

the combustion disk at the side of the gas mixing chamber is an air inlet end of the combustion disk, high temperature is not needed, and the combustion disk at the side of the combustion chamber is a combustion end and needs to be contacted with flame for a long time. Therefore, the burner in the prior art has the following technical problems: the burning disc at one side of the burning chamber runs for a long time, especially when the heat load is large, the burning loss of the burning disc and the problem that the service life of the burning disc is seriously influenced by a welding seam cracking lamp can occur, so that the production is interrupted.

Disclosure of Invention

In order to solve the technical problems, the main purpose of the utility model is to provide a planar burner so as to solve the problem of burning loss of a burning disc caused by overhigh temperature of the burning end of the burning disc in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme.

The plane combustor comprises a hollow sleeve vertically arranged, wherein a combustion disc is horizontally arranged in the middle of the hollow sleeve, a cavity in the upper part of the combustion disc in the hollow sleeve is a gas mixing chamber, a cavity in the lower part of the combustion disc is a combustion chamber, and the side wall of the bottom of the hollow sleeve, which is positioned in the combustion chamber, is communicated with an igniter; the upper end of the hollow sleeve is fixedly connected with an end cover, the upper part of the end cover is communicated with a fuel gas inlet pipe, an annular jacket is sleeved outside the center of the hollow sleeve, an annular cavity is formed in the jacket, the left side of the jacket is communicated with a water inlet pipe, and the bottom of the right side of the jacket is communicated with a water outlet pipe; the combustion disk comprises a plurality of hollow square tubes horizontally arranged side by side along the front-back direction, each hollow square tube is horizontally inserted to the center position of the hollow sleeve along the left-right direction, and a gap is reserved between two adjacent hollow square tubes; the opening at the left end and the right end of each hollow square tube extends out of the hollow sleeve and is arranged in the annular cavity, the hollow square tubes are fixedly connected with the hollow sleeve, the inner walls at the front end and the rear end of each jacket are fixedly connected with partition plates, and one sides of the two partition plates, which are close to each other, are fixedly connected with the outer walls at the corresponding positions of the hollow sleeve.

Further, the left end and the right end of the hollow square tubes jointly enclose a disc shape with the same shape and the same size as the outer circle of the hollow sleeve.

Further, a plurality of flame-retardant columns are fixedly connected in the gap between two adjacent hollow square tubes.

Further, the flame retardant columns are inclined in a shape of being high on the left and low on the right.

Further, the outer wall of the bottom of the hollow sleeve is sleeved with a flange plate which is used for being connected with a boiler, and the flange plate is fixedly connected with the outer wall of the hollow sleeve.

Further, the outer side wall of the hollow sleeve is provided with a thermometer.

Further, an observation window is formed in one side of the jacket.

According to the technical scheme, when a specific combustion temperature is needed, cold water can be injected into the water inlet pipe, so that the water flows in the outer wall of the hollow sleeve and the hollow square pipe, the temperature of the combustion disc is reduced, and the service life of the combustion disc is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a partially cut-away structure at a front side view angle of the present utility model;

FIG. 2 is a schematic view of a hollow sleeve of the present utility model in partial cross-section from a depression view;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is a schematic view of the left side view angle structure of the hollow square tube of the present utility model;

FIG. 6 is a schematic structural view of the hollow sleeve and the hollow square tube according to the present utility model from the front side;

fig. 7 is a schematic view of the structure of the present utility model from the front side.

In the above figures: 1. a hollow sleeve; 11. a flange plate; 12. a combustion plate; 121. hollow square tube; 122. a flame retardant column; 2. an end cap; 3. a fuel gas inlet pipe; 4. a jacket; 41. an annular cavity; 42. a partition plate; 5. a water inlet pipe; 6. a water outlet pipe; 7. a thermometer; 8. an igniter; 10. and an observation window.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than those herein described, and those skilled in the art may readily devise numerous other arrangements that do not depart from the spirit of the utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

Referring to fig. 1, 2 and 3, a planar combustor comprises a hollow sleeve 1 which is vertically arranged, wherein a combustion disc 12 is horizontally arranged in the middle of the hollow sleeve 1, a cavity positioned at the upper part of the combustion disc 12 in the hollow sleeve 1 is a gas mixing chamber, a cavity positioned at the lower part of the combustion disc 12 is a combustion chamber, and the side wall of the bottom of the hollow sleeve 1 positioned at the combustion chamber part is communicated with an igniter 8; the upper end of the hollow sleeve 1 is fixedly connected with an end cover 2, the upper part of the end cover 2 is communicated with a fuel gas inlet pipe 3, an annular jacket 4 is sleeved outside the central position of the hollow sleeve 1, an annular cavity 41 is formed in the jacket 4, the left side of the jacket 4 is communicated with a water inlet pipe 5, and the bottom of the right side of the jacket 4 is communicated with a water outlet pipe 6; the combustion disc 12 comprises a plurality of hollow square tubes 121 horizontally arranged side by side along the front-back direction, each hollow square tube 121 is horizontally inserted to the center position of the hollow sleeve 1 along the left-right direction, and a gap is reserved between two adjacent hollow square tubes 121; the openings at the left end and the right end of each hollow square tube 121 extend out of the hollow sleeve 1 and are arranged in the annular cavity 41, the hollow square tubes 121 are fixedly connected with the hollow sleeve 1, the inner walls at the front end and the rear end, close to each jacket 4, of each hollow square tube are fixedly connected with a partition plate 42, and one side, close to each other, of each partition plate 42 is fixedly connected with the outer wall of each corresponding position of the hollow sleeve 1.

In the above embodiment, the principle of use is that natural gas and air enter the gas mixing chamber of the hollow sleeve 1 from the gas inlet pipe, then enter the combustion chamber through the gaps of each hollow square pipe 121, then the igniter 8 ignites, the gas mixture in the combustion chamber is ignited, thereby the hot flue gas is discharged from the bottom of the hollow sleeve 1, a large amount of heat is attached to the hot flue gas, water in the boiler can be heated, or other water containing carriers are subjected to heat transfer, the effect is achieved, through the arranged jacket 4, when the temperature during combustion is required, water with different temperatures can be injected into the jacket 4 through the water inlet pipe 5, water enters the jacket 4 from the water inlet pipe 5 due to the influence of the partition plate 42, and finally flows into the right annular cavity 41 of the jacket 4 through each hollow square pipe 121, finally is discharged from the water outlet pipe 6, the cooling of the temperature control and the combustion disk 12 is achieved, and the temperature in the combustion chamber is influenced.

Further, referring to fig. 2, the left and right ends of the plurality of hollow square tubes 121 together define a disc shape having the same shape and size as the outer circumference of the hollow sleeve 1.

Further, referring to fig. 3 and 4, a plurality of flame retardant columns 122 are fixedly connected in the gaps between two adjacent hollow square tubes 121.

In the above embodiment, the flame retardant pillar 122 is provided, which can play a role in preventing backflow of fuel gas in the combustion chamber.

Further, referring to fig. 3, a plurality of the flame retardant pillars 122 are inclined in a shape of being higher on the left and lower on the right.

In the above embodiment, by defining the flame retardant pillar 122 to be disposed obliquely, the effect of suppressing the backflow of the fuel gas in the combustion chamber is further enhanced.

Further, referring to fig. 1 and 7, a flange plate 11 for connecting with a boiler is sleeved on the outer wall of the bottom of the hollow sleeve 1, and the flange plate 11 is fixedly connected with the outer wall of the hollow sleeve 1.

In the above embodiment, the connection with the boiler in the later stage can be facilitated by the flange 11 provided.

Further, referring to fig. 7, the outer sidewall of the hollow sleeve 1 is provided with a thermometer 7.

In the above embodiment, by providing the thermometer 7, it is possible to facilitate the user to understand the real-time temperature in the combustion chamber.

Further, referring to fig. 7, an observation window 10 is formed on one side of the jacket 4.

In the above embodiment, by providing the observation window 10, the observation of the inside of the jacket 4 can be facilitated.

While the utility model has been described in detail in this specification with reference to the general description and the specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the scope of the utility model as claimed.

Claims

1. A planar burner comprising a hollow sleeve (1) arranged vertically, characterized in that: the middle part of the hollow sleeve (1) is horizontally provided with a combustion disc (12), a cavity in the hollow sleeve (1) positioned at the upper part of the combustion disc (12) is a gas mixing chamber, a cavity in the lower part of the combustion disc (12) is a combustion chamber, and the side wall of the bottom of the hollow sleeve (1) positioned at the combustion chamber part is communicated with an igniter (8);

the gas-fired boiler is characterized in that an end cover (2) is fixedly connected to the upper end of the hollow sleeve (1), a gas inlet pipe (3) is communicated with the upper portion of the end cover (2), an annular jacket (4) is sleeved outside the center of the hollow sleeve (1), an annular cavity (41) is formed in the jacket (4), a water inlet pipe (5) is communicated with the left side of the jacket (4), and a water outlet pipe (6) is communicated with the bottom of the right side of the jacket (4);

the combustion disc (12) comprises a plurality of hollow square tubes (121) horizontally arranged side by side along the front-back direction, each hollow square tube (121) is horizontally inserted to the center position of the hollow sleeve (1) along the left-right direction, and a gap is reserved between two adjacent hollow square tubes (121); the opening at the left end and the right end of each hollow square tube (121) extends out of the hollow sleeve (1) and is arranged in the annular cavity (41), the hollow square tubes (121) are fixedly connected with the hollow sleeve (1), the inner walls at the front end and the rear end, which are close to each other, of the jacket (4) are fixedly connected with the partition plates (42), and one side, which is close to each other, of each partition plate (42) is fixedly connected with the outer wall of the corresponding position of the hollow sleeve (1).

2. The planar burner as claimed in claim 1, wherein the left and right ends of the plurality of hollow square tubes (121) together define a disc shape having the same shape and size as the outer circumference of the hollow sleeve (1).

3. A planar burner as claimed in claim 2, wherein a plurality of flame retardant columns (122) are fixedly connected in the gap between two adjacent hollow square tubes (121).

4. A planar burner as claimed in claim 3, wherein a plurality of said flame retardant pillars (122) are inclined in a right-left-high-low manner.

5. The planar burner as claimed in claim 1, wherein the outer wall of the bottom of the hollow sleeve (1) is sleeved with a flange plate (11) for being connected with a boiler, and the flange plate (11) is fixedly connected with the outer wall of the hollow sleeve (1).

6. A planar burner as claimed in claim 1, characterised in that the outer lateral wall of the hollow sleeve (1) is provided with a thermometer (7).

7. A planar burner as claimed in claim 1, characterised in that an observation window (10) is provided on one side of the jacket (4).