CN210153774U

CN210153774U - Multi-head biomass burner

Info

Publication number: CN210153774U
Application number: CN201920239261.7U
Authority: CN
Inventors: 李娜; 黄冠宇
Original assignee: Shandong Zhengxinde Environmental Technology Development Co Ltd
Current assignee: Shandong Zhengxinde Environmental Technology Development Co Ltd
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2020-03-17
Anticipated expiration: 2029-02-25

Abstract

The utility model provides a bull biomass burner belongs to boiler equipment field, sets up inside the heating stove, include: the gas collecting cylinder is arranged in the hearth of the heating furnace, and the gas inlet end of the gas collecting cylinder is open and is used for collecting combustible gas in the hearth; and at least two combustion cylinders, wherein the air inlet end of each combustion cylinder is communicated with the air outlet end of the air collecting cylinder, and the combustion ends are respectively arranged in different mouths of the heating furnace. The utility model discloses bull biomass burner, gas cylinder and two at least combustion barrel intercommunications install the back in the heating stove, and the gas cylinder can send combustible gas into each combustion barrel respectively and burn, can stop the heating through the combustion barrel shutoff with heating the heat exchange tube, and the combustion barrel of not heating the heat exchange tube can continue the burning, guarantees the normal use of heating stove.

Description

Multi-head biomass burner

Technical Field

The utility model belongs to the technical field of boiler equipment, more specifically say, relate to a bull biomass burner.

Background

The existing biomass burner is of a cylindrical structure, the lower end of the existing biomass burner is provided with a gas collecting cylinder, and the upper end of the existing biomass burner is provided with a combustion cylinder. The heating stove adopting the existing biomass burner generates combustible gas through insufficient combustion of biomass in the hearth, collects the combustible gas in the hearth through the gas collecting cylinder and sends the combustible gas to the combustion cylinder in the hearth for combustion. The side of the fire door of the heating stove or the inside of the flue is provided with a heat exchange tube, and the flame at the fire door is used for cooking and heating the heat exchange tube for heating. In actual use, after biomass burner installed in the heating stove, biomass burner's a burning section of thick bamboo heats the heat exchange tube all the time, can't stop the heating, leads to in the summer that does not need the heating wait time, and this kind of heating stove can not be used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bull biomass burner to solve the back in biomass burner installs the heating furnace that exists among the prior art, biomass burner's a burning section of thick bamboo heats the heat exchange tube all the time, can't stop the heating, leads to in the summer waiting time that does not need the heating, the unable technical problem of this kind of heating stove is out of use.

In order to achieve the above object, the utility model adopts the following technical scheme: provide bull biomass burner, set up inside the heating stove, include:

the gas collecting cylinder is arranged in the hearth of the heating furnace, and the gas inlet end of the gas collecting cylinder is open and is used for collecting combustible gas in the hearth; and

at least two burning barrels, every the inlet end of burning barrel with the end intercommunication of giving vent to anger of gas collecting barrel, burning end set up respectively in the furnace mouth of the difference of heating stove.

Furthermore, a plurality of oxygen inlet holes are formed in the side wall of the combustion end of the combustion cylinder and are distributed along the circumferential direction of the combustion cylinder at intervals.

Furthermore, a first limiting ring used for being clamped with the furnace mouth is arranged at the combustion end of the combustion cylinder in a surrounding mode.

Furthermore, the included angle between the axis of the combustion cylinder and the axis of the gas collecting cylinder is α, and 90 degrees is more than or equal to α degrees and more than or equal to 0 degree.

Furthermore, the number of the combustion cylinders is two, wherein one combustion cylinder is coaxially arranged with the gas collecting cylinder, and the other combustion cylinder is vertically arranged with the gas collecting cylinder.

Further, at least two of the combustion cans have different inner diameters.

Furthermore, the side wall of the air inlet end of the air collecting cylinder is provided with a plurality of air collecting holes which are distributed at intervals along the circumferential direction of the air collecting cylinder.

Further, the gas collecting cylinder is a component which can resist the temperature of 1300 ℃.

Furthermore, the air inlet end of the air collecting cylinder gradually shrinks from top to bottom, and the air collecting hole is formed in the shrinking part of the air inlet end of the air collecting cylinder; or the air inlet end of the air collecting cylinder is gradually enlarged from top to bottom.

Further, the air inlet end of the air collecting cylinder is in a cone cylinder shape or a pyramid cylinder shape with a downward small end.

The utility model provides a bull biomass burner's beneficial effect lies in: compared with the prior art, the utility model discloses bull biomass burner, gas cylinder and two at least burning section of thick bamboos intercommunication are installed in the heating stove after, and the gas cylinder can send combustible gas into each burning section of thick bamboo respectively and burn, can stop the heating through the burning section of thick bamboo shutoff with the heating heat exchange tube, and the burning section of thick bamboo that does not heat the heat exchange tube can continue the burning, guarantees the normal use of heating stove.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a sectional view of a multi-head biomass burner according to an embodiment of the present invention in a use state;

fig. 2 is a front view of a multi-head biomass burner according to another embodiment of the present invention;

fig. 3 is a top view of the multi-headed biomass burner of fig. 2.

Wherein, in the figures, the respective reference numerals:

1-furnace body; 11-a hearth; 12-a cooking port; 13-a heating port; 14-an air inlet duct; 2-multi-head biomass burners; 21-a gas collecting cylinder; 211-gas collecting holes; 22-a combustion can; 221-oxygen inlet holes; 222-a stop collar; 4-heating the box; 41-smoke outlet; 42-heat exchange tube.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3 together, a multi-head biomass burner according to an embodiment of the present invention will now be described. A multi-headed biomass burner comprising:

the gas collecting cylinder 21 is arranged inside the hearth 11 of the heating furnace, has an open gas inlet end and is used for collecting combustible gas in the hearth 11; and

at least two burning barrels 22, the inlet end of every burning barrel 22 and the end intercommunication of giving vent to anger of gas collecting cylinder 21, the burning end sets up respectively in the furnace mouth of the difference of heating stove.

Compared with the prior art, the utility model discloses bull biomass burner, gas cylinder 21 and two at least burning section of thick bamboos 22 intercommunication are installed in the heating stove after, and gas cylinder 21 can send combustible gas into respectively and burn in each burning section of thick bamboo 22, can stop the heating through the burning section of thick bamboo 22 shutoff with heating heat exchange tube 42, and the burning section of thick bamboo 22 that does not heat exchange tube 42 can continue the burning, guarantees the normal use of heating stove.

When the gas collecting device is used, combustible gas in the hearth 11 enters the gas collecting cylinder 21 from the gas inlet end of the gas collecting cylinder 21 and then upwards respectively enters each combustion cylinder 22, if the combustion end of each combustion cylinder 22 is blocked, the combustible gas does not combust, and if the combustion end of each combustion cylinder 22 is opened, the combustible gas combusts in the air. Specifically, the gas collecting cylinder 21 and the combustion cylinders 22 are both cylindrical or square cylinders, and the gas inlet ends of the plurality of combustion cylinders 22 are respectively communicated with the gas outlet end of the gas collecting cylinder 21.

Specifically, the upper end of the gas collecting cylinder 21 is an air outlet end, the lower end thereof is an air inlet end, the upper end of the combustion cylinder 22 is a combustion end, and the lower end thereof is an open air inlet end. The gas collecting cylinder 21 can be in any shape such as a cylinder shape or a square cylinder shape; the combustion liner 22 may have any shape such as a cylindrical shape or a square cylindrical shape. The inner diameters of the two combustion cans 22 may be the same or different. The side wall of the gas inlet end of the gas cylinder 21 may be provided with a gas collecting hole 211, or may not be provided with the gas collecting hole 211. The side wall of the combustion end of the combustion cylinder 22 may be provided with the oxygen inlet hole 221 or not provided with the gas collecting hole 211.

Referring to fig. 1, for example, two ports of a heating furnace body 1 are a cooking port 12 and a heating port 13, respectively, and a multi-head biomass burner has two combustion cylinders 22 communicating with the upper end of a gas collecting cylinder 21. The furnace body 1 is a rectangular furnace body 1 welded by steel plates, a fireproof heat-insulating layer is arranged on the inner wall of the furnace body 1, a filling opening is formed in the front side of the furnace body 1 and used for filling fuel into a hearth 11, and a fire grate is arranged at the bottom of the hearth 11. The burning end of the first burning cylinder 22 is fixed with the side wall of the cooking hole 12, and the burning end of the second burning cylinder 22 is fixed with the side wall of the heating hole 13, so that the burner is fixed with the furnace body 1. The gas collecting cylinder 21 of the burner extends into the furnace 11. The heating box 4 is a hollow box body, a plurality of horizontal heat exchange pipes 42 are arranged in the heating box, the bottom of the heating box is communicated with the heating port 13, the heat exchange pipes 42 are heated by flame at the heating port 13 from the lower part, two ends of each heat exchange pipe 42 are connected with a heater for heating, and flue gas after combustion is discharged from a smoke outlet 41 on the top surface of the heating box 4. The air inlet ducts 14 of the furnace body 1 are communicated with the respective ports so that oxygen required for combustion is supplied to the combustion cans 22 in the respective ports.

The gas collecting cylinder 21 is used for collecting combustible gas in the hearth 11, the combustible gas in the gas collecting cylinder 21 is respectively led into the cooking port 12 and the heating port 13 through the first combustion cylinder 22 and the second combustion cylinder 22, after the combustible gas in the cooking port 12 and the combustible gas in the heating port 13 are respectively ignited, flame at the outer end of the cooking port 12 can be used for daily cooking, the flame at the outer end of the heating port 13 heats the heat exchange tube 42 in the heating box 4, and hot water in the heat exchange tube 42 is used for heating. When the cooking port 12 is not used, the cooking port 12 can be blocked, so that the combustible gas in the hearth 11 is combusted at the heating port 13, the vigorous flame at the heating port 13 is ensured, and the heating heat exchange tube 42 is heated. When heating is not needed, the heating opening 13 can be blocked, so that heating is stopped, combustible gas in the hearth 11 is combusted at the cooking opening 12, and the vigorous flame of the cooking opening 12 is ensured; the second exhaust port 41 may be closed to block the exhaust of the heating box 4, so that the flame at the heating port 13 is extinguished to stop heating.

Referring to fig. 1 to 3, as an embodiment of the multi-head biomass burner provided by the present invention, a plurality of oxygen inlets 221 are disposed on a side wall of a combustion end of the combustion cylinder 22 and spaced apart from each other along a circumferential direction of the combustion cylinder 22. So that the air can be uniformly mixed with the combustible gas from the periphery of the combustion end of the combustion cylinder 22 through the oxygen inlet holes 221.

Specifically, when in use, the side wall of the furnace body 1 comprises two parallel clapboards, a cavity is formed between the two clapboards, and the furnace mouth penetrates through the two clapboards, so that the cavity between the clapboards forms an annular oxygen inlet on the inner wall of the furnace mouth. One end of an air inlet duct 14 of the furnace body 1 is communicated with the outside, and the other end is communicated with the cavity between the two clapboards, so that the air inlet duct 14 is communicated with the oxygen inlet. Air enters the combustion end of the combustion cylinder 22 through the air inlet duct 14, the oxygen inlet and the oxygen inlet holes 221, and is mixed with combustible gas in the combustion end of the combustion cylinder 22 to be combusted. The oxygen inlet hole 221 may be a hole having any shape such as a square hole, a circular hole, or an elliptical hole.

Referring to fig. 1 to 3, as an embodiment of the multi-head biomass burner provided by the present invention, a first limiting ring 222 for engaging with a furnace mouth is disposed around a combustion end of the combustion cylinder 22. The first limiting ring 222 is used for being clamped with the side wall of the outer end of the furnace mouth to prevent the first combustion cylinder 22 from sinking into the hearth 11.

Referring to fig. 2, as a specific embodiment of the multi-head biomass burner provided by the present invention, an included angle between the axis of the combustion cylinder 22 and the axis of the gas collecting cylinder 21 is α, and 90 ° or more than α ° or more than 0 ° ensures that the combustible gas in the gas collecting cylinder 21 can smoothly flow into the combustion cylinder 22.

Referring to fig. 1 to 3, as an embodiment of the multi-head biomass burner provided by the present invention, the number of the combustion cylinders 22 is two, wherein one combustion cylinder 22 is coaxially disposed with the gas collecting cylinder 21, and the other combustion cylinder 22 is perpendicular to the gas collecting cylinder 21.

Specifically, the first combustion cylinder 22, the second combustion cylinder 22, and the gas collecting cylinder 21 are connected in a T shape. The first combustion cylinder 22 and the second combustion cylinder 22 are commonly connected to the gas outlet end of the gas collecting cylinder 21.

Referring to fig. 1 to 3, in an embodiment of the multi-head biomass burner provided by the present invention, at least two combustion cylinders 22 have different inner diameters.

Specifically, the first combustion cylinder 22 and the second combustion cylinder 22 may be provided with different inner diameters according to the heat required by different ports of the burner. For example, the heating of a general heating stove requires more heat than the cooking, the inner diameter of the combustion cylinder 22 of the heating heat exchanging pipe 42 may be set to be larger than the inner diameter of the combustion cylinder 22 for cooking, so that more combustible gas is used for the combustion heating. More specifically, the inner diameter of the gas collecting cylinder 21 is set to be not smaller than the inner diameter of any one of the combustion cylinders 22, so that the gas collecting cylinder 21 can collect a sufficient amount of combustible gas to allow the combustion cylinder 22 having the largest inner diameter to burn.

Referring to fig. 1 to 3, as an embodiment of the multi-head biomass burner provided by the present invention, a plurality of gas collecting holes 211 are formed on the sidewall of the gas inlet end of the gas collecting cylinder 21 and are circumferentially spaced along the gas collecting cylinder 21. During the use, the inlet end of gas cylinder 21 inserts in the biomass briquetting heap, and the combustible gas that biomass briquetting produced can get into gas cylinder 21 through gas collecting hole 211 in, has increased gas cylinder 21 to combustible gas's collection efficiency. The gas collecting holes 211 may be holes having any shape, such as circular holes, square holes, or elliptical holes.

Referring to fig. 1 to 3, as an embodiment of the multi-head biomass burner provided by the present invention, the gas collecting cylinder 21 is a component that can withstand a high temperature of 1300 ℃.

Specifically, the biomass briquettes are added into the hearth 11 of the furnace body 1 and then ignited, the temperature in the hearth 11 reaches a high temperature of 1000 ℃ to 1300 ℃, so that the biomass briquettes in the hearth 11 are subjected to dry distillation, cracking and gasification to generate combustible gas with carbon monoxide, hydrogen, methane, carbon dioxide, nitrogen, hydrogen sulfide, water and the like as main components, harmful substances such as tar in the flue gas are decomposed at a high temperature, and the flue gas after combustion is cleaner and more environment-friendly. The gas collecting cylinder 21 is made of a material capable of resisting the high temperature of 1300 ℃, so that the normal use of the combustor is ensured.

Referring to fig. 2 and fig. 3, as a specific embodiment of the multi-head biomass burner provided by the present invention, the air inlet end of the air collecting cylinder 21 is gradually contracted from top to bottom, and the air collecting hole 211 is disposed on the contracted portion of the air inlet end of the air collecting cylinder 21; or the air inlet end of the air collecting cylinder 21 is gradually enlarged from top to bottom. Therefore, the gas collecting cylinder 21 can be inserted into the biomass briquette pile more deeply at the gas inlet end when in use, and the combustible gas in the biomass briquette pile is collected without excessively occupying the space of biomass briquettes in the furnace chamber. The lower end of the gas cylinder 21 can be gradually enlarged to ensure that the opening area of the lower end of the gas cylinder 21 is large enough.

Specifically, the gas collecting cylinder 21 is contracted at the gas inlet end and provided with gas collecting holes 211. The gas collecting cylinder 21 can be inserted into the biomass briquette pile more deeply at the gas inlet end, so that the contact area between the gas inlet end of the gas collecting cylinder 21 and the biomass briquette pile is larger, the gas collecting hole 211 is formed in the gas inlet end of the gas collecting cylinder 21, the gas inlet area is increased, and the gas inlet amount is ensured.

Referring to fig. 3, as an embodiment of the multi-head biomass burner provided by the present invention, the lower end of the gas collecting cylinder 21 is a conical or pyramid cylinder with a downward small end.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Bull biomass burner sets up inside the heating stove, its characterized in that includes:

the gas collecting cylinder (21) is arranged inside a hearth (11) of the heating furnace, has an open gas inlet end and is used for collecting combustible gas in the hearth (11); and

at least two burning barrels (22), every the inlet end of burning barrel (22) with the end intercommunication of giving vent to anger of gas collecting barrel (21), burning end set up respectively in the furnace mouth of the difference of heating stove.

2. The multi-headed biomass burner of claim 1, wherein: the side wall of the combustion end of the combustion cylinder (22) is provided with a plurality of oxygen inlet holes (221) which are distributed along the circumferential direction of the combustion cylinder (22) at intervals.

3. The multi-headed biomass burner of claim 1, wherein: the burning end of the burning cylinder (22) is provided with a first limit ring (222) which is clamped with the furnace mouth in a surrounding way.

4. The multi-head biomass burner as claimed in claim 1, characterized in that the included angle between the axis of the combustion cylinder (22) and the axis of the gas collecting cylinder (21) is α, and 90 degrees and more than α degrees and more than 0 degrees.

5. The multi-headed biomass burner of claim 1, wherein: at least two of the combustion cans (22) have different inner diameters.

6. The multi-headed biomass burner of claim 1, wherein: the side wall of the air inlet end of the air collecting cylinder (21) is provided with a plurality of air collecting holes (211) which are distributed at intervals along the circumferential direction of the air collecting cylinder (21).

7. The multi-headed biomass burner of claim 6, wherein: the air inlet end of the air collecting cylinder (21) is gradually contracted from top to bottom, and the air collecting hole (211) is formed in the contracted part of the air inlet end of the air collecting cylinder (21); or the air inlet end of the air collecting cylinder (21) is gradually enlarged from top to bottom.