CN210141585U - Biomass burner - Google Patents
Biomass burner Download PDFInfo
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- CN210141585U CN210141585U CN201920474007.5U CN201920474007U CN210141585U CN 210141585 U CN210141585 U CN 210141585U CN 201920474007 U CN201920474007 U CN 201920474007U CN 210141585 U CN210141585 U CN 210141585U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model provides a biomass burner, which belongs to the field of biomass stove accessories and comprises a gas collecting cylinder, a combustion cylinder, a primary oxygen supply sleeve and a secondary oxygen supply sleeve. The gas collecting cylinder is provided with a gas inlet which is used for collecting combustible gas in the hearth. The combustion cylinder is arranged in the furnace mouth, the air inlet end of the combustion cylinder is communicated with the air outlet end of the gas collecting cylinder, and a flame area is formed on the axial outer side of the air outlet end. The primary oxygen supply sleeve is arranged around the periphery of the air outlet end of the combustion cylinder, and the primary oxygen cavity inside the primary oxygen supply sleeve is communicated with the air outlet end of the combustion cylinder through the primary oxygen supply hole. The secondary oxygen supply sleeve is provided with a plurality of secondary oxygen supply pipes with the spraying directions respectively facing the flame area. The primary oxygen cavity sends air into the combustion cylinder through the primary oxygen supply hole, and the secondary oxygen supply pipe sprays air to the flame zone, so that combustible gas and oxygen in the flame zone are mixed more sufficiently, and the combustion efficiency is improved. And the heat of the air outlet end of the combustion cylinder can preheat the air in the primary oxygen cavity and the secondary oxygen cavity, so that the phenomenon that the combustion efficiency is reduced due to the temperature reduction of a flame zone caused by low-temperature air is avoided.
Description
Technical Field
The utility model belongs to the technical field of living beings stove accessory, more specifically say, relate to a biomass burner.
Background
The biomass burner used in the existing biomass combustion furnace is a cylindrical structure, the lower end of the biomass burner is a gas collecting cylinder, and the upper end of the biomass burner is a combustion cylinder. When the gas collecting device is used, the gas collecting cylinder is installed in the hearth and used for collecting combustible gas in the hearth, and the upper end of the combustion cylinder is installed in the furnace mouth and used for guiding out the combustible gas collected by the gas collecting cylinder for combustion.
For a large biomass combustion furnace, fuel in a hearth is more, the temperature is high, the generated combustible gas is sufficient, and after the combustible gas in the hearth is led out from the upper end of a combustion cylinder by the conventional biomass burner, a large amount of combustible gas is difficult to be fully mixed with air, so that the combustible gas is not fully combusted, and the combustion efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a biomass burner to solve the current biomass burner who exists among the prior art and derive the back with the combustible gas in the furnace, be difficult to with combustible gas and air intensive mixing, lead to the combustible gas burning insufficient, influence combustion efficiency's technical problem.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a biomass burner comprising:
the gas collecting cylinder is provided with a gas inlet and is used for collecting combustible gas in the hearth;
the combustion cylinder is arranged in the furnace mouth, the air inlet end of the combustion cylinder is communicated with the air outlet end of the gas collecting cylinder, and a flame area is formed on the axial outer side of the air outlet end;
the primary oxygen supply sleeve is arranged around the periphery of the air outlet end of the combustion cylinder, a primary oxygen cavity surrounding the air outlet end of the combustion cylinder is arranged in the primary oxygen supply sleeve, the primary oxygen supply sleeve is connected with a primary oxygen inlet pipe communicated with an oxygen-containing gas source, and a primary oxygen supply hole communicated with the primary oxygen cavity and an inner cavity of the air outlet end of the combustion cylinder is formed in the side wall of the air outlet end of the combustion cylinder; and
the secondary oxygen suppliment cover encircles the periphery setting of the end of giving vent to anger of a burning section of thick bamboo, inside is equipped with to encircle the secondary oxygen chamber of the end of giving vent to anger of a burning section of thick bamboo, the secondary oxygen suppliment cover is connected be used for with the secondary oxygen supply pipe that oxygen source intercommunication and a plurality of along circumference distribution and inlet end respectively with the secondary of secondary oxygen chamber intercommunication supplies oxygen pipe, and is a plurality of the injection direction of secondary oxygen supply pipe is respectively towards flame district.
Further, the included angle between the injection direction of the primary oxygen supply hole and the direction of the gas outlet end of the combustion cylinder is an acute angle α.
Furthermore, the gas flow direction at the gas outlet end of the combustion cylinder is upward, and the primary oxygen supply sleeve and the secondary oxygen supply sleeve are sequentially arranged along the axis of the combustion cylinder.
Further, secondary oxygen suppliment cover is located the periphery of primary oxygen suppliment cover, the periphery wall of primary oxygen suppliment cover is equipped with the intercommunicating pore, the intercommunicating pore intercommunication primary oxygen chamber with secondary oxygen chamber.
Further, the primary oxygen supply holes are uniformly distributed along the circumferential direction of the air outlet end of the combustion cylinder.
Furthermore, a plurality of secondary oxygen supply pipes are uniformly distributed along the circumferential direction of the secondary oxygen supply sleeve, and the air inlet ends of the secondary oxygen supply pipes are connected to the end face, facing the flame zone, of the secondary oxygen supply sleeve.
Furthermore, the included angle between the injection direction of the secondary oxygen supply pipe and the direction of the gas outlet end of the combustion cylinder is β, and β is more than or equal to 10 degrees and less than or equal to 45 degrees.
Furthermore, the free end of the gas collecting cylinder is bent, and the end face of the gas collecting cylinder is opened to form the gas inlet.
Furthermore, the gas outlet end of the gas collecting cylinder and the combustion cylinder are coaxially arranged, and an included angle between the axial direction of the gas inlet end of the gas collecting cylinder and the axial direction of the gas outlet end of the gas collecting cylinder is 90 degrees.
Furthermore, the air inlet end of the air collecting cylinder is provided with an air collecting hole penetrating through the cylinder wall of the air collecting cylinder.
The utility model provides a biomass burner's beneficial effect lies in: compared with the prior art, the utility model discloses biomass burner installs the gas collecting cylinder in biomass combustion furnace's furnace when using, and the combustion cylinder is installed in biomass combustion furnace's furnace mouth, and the gas collecting cylinder passes through the air inlet and collects the combustible gas in the furnace, then the combustible gas end blowout of giving vent to anger from the combustion cylinder. The primary oxygen inlet pipe of the primary oxygen supply sleeve is communicated with an oxygen-containing gas source such as a fan, so that the fan sends air into the gas outlet end of the combustion cylinder through the primary oxygen cavity and the primary oxygen supply hole to be mixed with combustible gas, and the mixed gas is ignited and then forms combustion in a flame zone; meanwhile, the secondary oxygen inlet pipe of the secondary oxygen supply sleeve is communicated with oxygen-containing gas sources such as a fan, so that the fan sends air into the secondary oxygen cavity and sprays the air to the flame zone from the secondary oxygen supply pipe, oxygen is supplemented to the flame zone, and meanwhile mixed gas in the flame zone is stirred, so that combustible gas and oxygen in the flame zone are mixed more fully, combustion is accelerated, and combustion efficiency is improved. And primary oxygen suppliment cover and secondary oxygen suppliment cover encircle respectively in the periphery that the end was given vent to anger at the combustion cylinder for the heat that the end was given vent to anger of combustion cylinder can preheat the oxygen-containing gas in primary oxygen chamber and the secondary oxygen chamber, avoids the lower oxygen-containing gas of a large amount of temperatures to make the temperature in flame zone reduce, leads to combustion efficiency to descend.
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 front view of a biomass burner provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the biomass burner of FIG. 1;
fig. 3 is a sectional view of a biomass burner according to another embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a gas collecting cylinder; 11-gas collecting holes; 2-a combustion cylinder; 21-a flame zone; 3-primary oxygen supply sleeve; 31-primary oxygen chamber; 32-primary oxygen inlet pipe; 33-primary oxygen supply hole; 34-a communication hole; 4-secondary oxygen supply sleeve; 41-secondary oxygen chamber; 42-secondary oxygen inlet pipe; 43-secondary oxygen supply 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 biomass burner according to an embodiment of the present invention will be described. The biomass burner comprises a gas collecting cylinder 1, a combustion cylinder 2, a primary oxygen supply sleeve 3 and a secondary oxygen supply sleeve 4.
The gas collecting cylinder 1 is provided with a gas inlet which is used for collecting combustible gas in the hearth. The combustion cylinder 2 is arranged in the furnace mouth, the air inlet end of the combustion cylinder is communicated with the air outlet end of the gas collecting cylinder 1, and a flame area 21 is formed on the axial outer side of the air outlet end. The periphery that once oxygen suppliment cover 3 was given vent to anger around a combustion section of thick bamboo 2 and is held sets up, and inside is equipped with the once oxygen chamber 31 that gives vent to anger around a combustion section of thick bamboo 2 and holds, and once oxygen suppliment cover 3 is connected with and is used for the oxygen pipe 32 of once advancing with oxygen source intercommunication, and the lateral wall that a combustion section of thick bamboo 2 was given vent to anger and holds the inner chamber is equipped with the once oxygen hole 33 that supplies of the oxygen chamber 31 of intercommunication and a. The secondary oxygen supply sleeve 4 surrounds the periphery setting of the end of giving vent to anger of a combustion section of thick bamboo 2, and inside is equipped with the secondary oxygen chamber 41 of the end of giving vent to anger around a combustion section of thick bamboo 2, and secondary oxygen supply sleeve 4 is connected with be used for with the secondary oxygen inlet pipe 42 that contains the oxygen source intercommunication and a plurality of along circumference distribution and inlet end respectively with the secondary oxygen chamber 41 intercommunication supply oxygen pipe 43, and the injection direction of a plurality of secondary oxygen supply pipes 43 is respectively towards flame district 21.
Compared with the prior art, the utility model discloses biomass burner installs gas cylinder 1 in biomass combustion furnace's furnace when using, and a burning section of thick bamboo 2 is installed in biomass combustion furnace's fire door, and gas cylinder 1 collects the combustible gas in the furnace through the air inlet, then combustible gas from the end blowout of giving vent to anger of a burning section of thick bamboo 2. The primary oxygen inlet pipe 32 of the primary oxygen supply sleeve 3 is communicated with an oxygen-containing gas source such as a fan, so that the fan sends air into the air outlet end of the combustion cylinder 2 through the primary oxygen cavity 31 and the primary oxygen supply hole 33 to be mixed with combustible gas, and the mixed gas forms combustion in the flame zone 21 after being ignited; meanwhile, the secondary oxygen inlet pipe 42 of the secondary oxygen supply sleeve 4 is communicated with an oxygen-containing gas source such as a fan, so that the fan sends air into the secondary oxygen cavity 41 and sprays the air to the flame zone 21 from the secondary oxygen supply pipe 43, oxygen is supplemented to the flame zone 21, and mixed gas in the flame zone 21 is stirred, so that combustible gas and oxygen in the flame zone 21 are mixed more fully, combustion is accelerated, and combustion efficiency is improved. And the primary oxygen supply sleeve 3 and the secondary oxygen supply sleeve 4 are respectively surrounded at the periphery of the air outlet end of the combustion cylinder 2, so that the heat of the air outlet end of the combustion cylinder 2 can preheat the oxygen-containing gas in the primary oxygen cavity 31 and the secondary oxygen cavity 41, and the phenomenon that a large amount of oxygen-containing gas with lower temperature reduces the temperature of the flame zone 21 to cause the reduction of the combustion efficiency is avoided.
Specifically, the gas collecting cylinder 1 and the combustion cylinder 2 are respectively cylindrical structures. The upper end of the combustion cylinder 2 is an air outlet end, and the lower end is an air inlet end. The lower end of the gas collecting cylinder 1 is opened to form a gas inlet, and the upper end is a gas outlet end. The air outlet end of the air collecting cylinder 1 is coaxially connected with the air inlet end of the combustion cylinder 2, and the lower end of the air collecting cylinder 1 can be in a pyramid shape or a cone shape with the small end facing downwards. During installation, the gas collecting cylinder 1 is installed in a hearth of the biomass combustion furnace, and the combustion cylinder 2 is installed in a hearth of the biomass combustion furnace. During combustion, biomass fuel is filled in the hearth, so that the biomass fuel submerges the air inlet of the gas collecting cylinder 1, then the biomass fuel is ignited, the biomass fuel is incompletely combusted in the hearth, the biomass fuel is 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, the combustible gas enters the gas collecting cylinder 1 from the air inlet of the gas collecting cylinder 1 and then flows to the air outlet end of the combustion cylinder 2, the combustible gas in the combustion cylinder 2 is sprayed out from the air outlet end, so that the combustible gas is concentrated on the axial outer side of the air outlet end of the combustion cylinder 2 and forms a flame zone 21 in the area, and combustion is formed after ignition.
The primary oxygen supply sleeve 3 is a circular ring-shaped shell body which is sleeved outside the air outlet end of the combustion cylinder 2, and a circular ring-shaped primary oxygen cavity 31 is arranged inside the primary oxygen supply sleeve. The primary oxygen inlet pipe 32 is communicated with the primary oxygen chamber 31, an oxygen-containing gas source such as a fan and the like sends oxygen-containing gas such as air and the like into the primary oxygen chamber 31 through the primary oxygen inlet pipe 32, the oxygen-containing gas in the primary oxygen chamber 31 enters an inner cavity of the air outlet end of the combustion cylinder 2 from the primary oxygen supply hole 33 to be mixed with combustible gas for the first time, and the mixed gas is axially sprayed into the flame zone 21 from the air outlet end of the combustion cylinder 2 and forms combustion after being ignited.
The secondary oxygen supply sleeve 4 is a circular ring-shaped shell body which is sleeved outside the air outlet end of the combustion cylinder 2, and the interior of the secondary oxygen supply sleeve is a circular ring-shaped secondary oxygen cavity 41. The secondary oxygen inlet pipe 42 is communicated with the secondary oxygen chamber 41, an oxygen-containing gas source such as a fan sends oxygen-containing gas such as air into the primary oxygen chamber 31 through the secondary oxygen inlet pipe 42, the oxygen-containing gas in the secondary oxygen chamber 41 is sprayed to the flame zone 21 through the secondary oxygen supply pipe 43, oxygen is supplemented into the flame zone 21, and simultaneously gas in the flame zone 21 is stirred, so that the gas in the flame zone 21 is fully mixed, combustion is accelerated, and combustion efficiency is improved.
Referring to fig. 3, as a specific embodiment of the biomass burner provided by the present invention, an included angle between the injection direction of the primary oxygen supply hole 33 and the direction of the gas outlet end of the combustion cylinder 2 is an acute angle α. with this arrangement, the gas flow in the primary oxygen supply hole 33 can drive the combustible gas in the gas outlet end of the combustion cylinder 2 to be ejected from the gas outlet end of the combustion cylinder 2, so that the flow of the combustible gas in the combustion cylinder 2 is smoother.
Specifically, the primary oxygen supply hole 33 is a straight hole, and the injection direction thereof is parallel to the axis, and the included angle between the axis of the primary oxygen supply hole 33 and the axis of the combustion cylinder 2 is an acute angle α.
Referring to fig. 3, as a specific embodiment of the biomass burner provided by the present invention, the primary oxygen supply sleeve 3 and the secondary oxygen supply sleeve 4 are sequentially disposed along the axis of the combustion cylinder 2 in the upward direction of the gas flow at the gas outlet end of the combustion cylinder 2. This kind of setting makes combustible gas give vent to anger the in-process that flows in the end at a combustion section of thick bamboo 2, and the oxygen-containing gas in the oxygen suppliment cover 3 can give vent to anger through the earlier entering combustion section of thick bamboo 2 of once oxygen suppliment hole 33 and mix in the end with combustible gas, later along with the follow-up flow in combustion section of thick bamboo 2 gives vent to anger the end of mist for more abundant that mist can mix. In addition, in order that the secondary oxygen supply pipe 43 sprays the oxygen-containing gas to the flame zone 21, the air pressure in the secondary oxygen cavity 41 is larger, the air flow velocity is faster, the secondary oxygen supply sleeve 4 is arranged closer to the flame zone 21, the oxygen-containing gas in the secondary oxygen cavity 41 can better cool the secondary oxygen supply sleeve 4, and the service life is prolonged.
Referring to fig. 1 and 2, as a specific embodiment of the biomass burner provided by the present invention, the secondary oxygen supply sleeve 4 is sleeved on the periphery of the primary oxygen supply sleeve 3, the peripheral wall of the primary oxygen supply sleeve 3 is provided with a communication hole 34, and the communication hole 34 communicates the primary oxygen chamber 31 and the secondary oxygen chamber 41. The arrangement can reduce the axial occupied length of the primary oxygen supply sleeve 3 and the secondary oxygen supply sleeve 4 at the air outlet end of the combustion cylinder 2, and the combustion cylinder 2 is convenient to install in a furnace mouth. The peripheral wall of the primary oxygen supply sleeve 3 can preheat the oxygen-containing gas in the secondary oxygen cavity 41, so that the combustion efficiency is improved, meanwhile, the gas flowing in the secondary oxygen cavity 41 can also cool the peripheral wall of the primary oxygen supply sleeve 3, and the over-temperature of the secondary oxygen supply sleeve 4 is avoided.
Referring to fig. 2, as a specific embodiment of the biomass burner provided by the present invention, the secondary oxygen inlet pipe 42 and the communication hole 34 are respectively communicated with different portions of the secondary oxygen chamber 41 in the annular axial direction. The oxygen-containing gas entering the secondary oxygen chamber 41 from the secondary oxygen inlet pipe 42 can enter the primary oxygen chamber 31 from the communication hole 34 after flowing along the annular shaft of the secondary oxygen chamber 41, and the oxygen-containing gas is preheated by the outer wall of the preheating primary oxygen supply sleeve 3 in the process of flowing along the annular shaft of the secondary oxygen chamber 41, so that the combustion efficiency is improved.
Specifically, on the annular circumference of the secondary oxygen chamber 41, the minor arc central angle between the secondary oxygen feed pipe 42 and the communication hole 34 is not zero. More specifically, on the annular circumference of the secondary oxygen chamber 41, the minor arc central angle between the secondary oxygen feed pipe 42 and the communication hole 34 is not 90 ° or 180 °.
Referring to fig. 2 and 3, as an embodiment of the biomass burner of the present invention, the primary oxygen supply hole 33 has a plurality of holes uniformly distributed along the circumferential direction of the air outlet end of the combustion cylinder 2. By adopting the arrangement, the oxygen-containing gas in the primary oxygen cavity 31 can enter the air outlet end of the combustion cylinder 2 from the periphery, and the mixing uniformity of the oxygen-containing gas and the combustible gas is improved.
Specifically, the primary oxygen supply hole 33 may be a through hole having an arbitrary cross section, for example, a cross section may be circular, elliptical, rectangular, or the like.
Referring to fig. 2 and 3, as an embodiment of the biomass burner provided by the present invention, a plurality of secondary oxygen supply pipes 43 are uniformly distributed along the circumferential direction of the secondary oxygen supply sleeve 4, and the air inlet end of the secondary oxygen supply pipe 43 is connected to the end surface of the secondary oxygen supply sleeve 4 facing the flame zone 21. By adopting the arrangement, the plurality of secondary oxygen supply pipes 43 can spray the oxygen-containing gas to the flame area 21 from the periphery, so that the mixing uniformity of the oxygen-containing gas and the combustible gas is improved, and the flame can be prevented from being blown off by the airflow sprayed by the secondary oxygen supply pipes 43.
Specifically, the inlet end of the secondary oxygen supply pipe 43 is vertically fixed on the end surface of the secondary oxygen supply sleeve 4 facing the flame zone 21, and the outlet end of the secondary oxygen supply pipe 43 is bent toward the flame zone 21 to inject the oxygen-containing gas into the flame zone 21.
Referring to fig. 3, as a specific embodiment of the biomass burner provided by the present invention, the included angle between the spraying direction of the secondary oxygen supply pipe 43 and the direction of the air outlet end of the combustion cylinder 2 is β, and β is more than or equal to 10 degrees and less than or equal to 45 degrees.
Referring to fig. 3, as a specific embodiment of the biomass burner provided by the present invention, the free end of the gas collecting cylinder 1 is bent and the end surface is opened to form an air inlet. When the gas collecting device is installed, the gas inlet of the gas collecting cylinder 1 can be kept downward, and the axis of the gas collecting cylinder 1 can be installed in the hearth at a certain angle with the vertical direction. The air outlet end of the air collecting cylinder 1 is fixedly connected with the air inlet end of the combustion cylinder 2, and the other end of the air collecting cylinder 1 is a free end.
Referring to fig. 3, as a specific embodiment of the biomass burner provided by the present invention, the gas outlet end of the gas collecting cylinder 1 and the combustion cylinder 2 are coaxially disposed, and an included angle between the axial direction of the gas inlet end of the gas collecting cylinder 1 and the axial direction of the gas outlet end of the gas collecting cylinder 1 is 90 °.
Specifically, the air inlet end of the air collecting cylinder 1 may be bent by 90 °, and the end face of the end is opened to form an air inlet, so that when mounting, the air inlet of the air collecting cylinder 1 can be kept facing downward, and the air collecting cylinder 1 and the combustion cylinder 2 can be horizontally mounted in the furnace, so that the direction of the air outlet end of the combustion cylinder 2 is horizontal.
Referring to fig. 2 and fig. 3 together, as an embodiment of the biomass burner provided by the present invention, a gas collecting hole 11 penetrating through the wall of the gas collecting cylinder 1 is provided at the gas inlet end of the gas collecting cylinder 1.
Specifically, the gas collecting holes 11 may be through holes with arbitrary cross-sections, for example, the cross-sections may be circular, oval, rectangular, etc. The gas collecting hole 11 has a plurality arranged around the gas inlet end of the gas collecting barrel 1.
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 (10)
1. A biomass burner, comprising:
the gas collecting cylinder (1) is provided with a gas inlet and is used for being arranged in the hearth and collecting combustible gas;
the combustion cylinder (2) is arranged in the furnace mouth, an air inlet end of the combustion cylinder is communicated with an air outlet end of the gas collecting cylinder (1), and a flame area (21) is formed on the axial outer side of the air outlet end;
the primary oxygen supply sleeve (3) is arranged around the periphery of the air outlet end of the combustion cylinder (2), a primary oxygen cavity (31) surrounding the air outlet end of the combustion cylinder (2) is arranged inside the primary oxygen supply sleeve (3), the primary oxygen supply sleeve (3) is connected with a primary oxygen inlet pipe (32) used for being communicated with an oxygen-containing gas source, and a primary oxygen supply hole (33) communicated with the primary oxygen cavity (31) and an inner cavity of the end of the combustion cylinder (2) is formed in the side wall of the air outlet end of the combustion cylinder (2); and
secondary oxygen suppliment cover (4), encircle the periphery setting of the end of giving vent to anger of a combustion section of thick bamboo (2), inside is equipped with to encircle secondary oxygen chamber (41) of the end of giving vent to anger of a combustion section of thick bamboo (2), secondary oxygen suppliment cover (4) be connected with be used for with the secondary oxygen source intercommunication advance oxygen pipe (42) and a plurality of along circumference distribution and the end of admitting air respectively with secondary oxygen chamber (41) the secondary of intercommunication supplies oxygen pipe (43), and is a plurality of the injection direction of secondary oxygen supply pipe (43) is faced respectively flame district (21).
2. The biomass burner according to claim 1, wherein the included angle between the injection direction of the primary oxygen supply holes (33) and the direction of the gas outlet end of the combustion barrel (2) is an acute angle α.
3. The biomass burner of claim 1, wherein: the gas flow of the gas outlet end of the combustion cylinder (2) is upward, and the primary oxygen supply sleeve (3) and the secondary oxygen supply sleeve (4) are sequentially arranged along the axis of the combustion cylinder (2).
4. The biomass burner of claim 1, wherein: secondary oxygen suppliment cover (4) cover is located the periphery of primary oxygen suppliment cover (3), the periphery wall of primary oxygen suppliment cover (3) is equipped with intercommunicating pore (34), intercommunicating pore (34) intercommunication primary oxygen chamber (31) with secondary oxygen chamber (41).
5. The biomass burner of any of claims 1 to 4, wherein: the primary oxygen supply holes (33) are uniformly distributed along the circumferential direction of the air outlet end of the combustion cylinder (2).
6. The biomass burner of any of claims 1 to 4, wherein: a plurality of secondary oxygen supply pipe (43) are along secondary oxygen supply cover (4) circumference evenly distributed, the inlet end of secondary oxygen supply pipe (43) connect in secondary oxygen supply cover (4) face on the terminal surface of flame district (21).
7. The biomass burner as recited in claim 6, characterized in that the spraying direction of the secondary oxygen supply pipe (43) and the direction of the air outlet end of the combustion cylinder (2) form an included angle of β, and the included angle is more than or equal to 10 degrees and less than or equal to β degrees and less than or equal to 45 degrees.
8. The biomass burner of any of claims 1 to 4, wherein: the free end of the gas collecting cylinder (1) is bent and the end face is opened to form the gas inlet.
9. The biomass burner of claim 8, wherein: the gas outlet end of the gas collecting cylinder (1) and the combustion cylinder (2) are coaxially arranged, and the included angle between the axial direction of the gas inlet end of the gas collecting cylinder (1) and the axial direction of the gas outlet end of the gas collecting cylinder (1) is 90 degrees.
10. The biomass burner of claim 8, wherein: and the air inlet end of the air collecting cylinder (1) is provided with an air collecting hole (11) penetrating through the cylinder wall of the air collecting cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474007.5U CN210141585U (en) | 2019-04-09 | 2019-04-09 | Biomass burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474007.5U CN210141585U (en) | 2019-04-09 | 2019-04-09 | Biomass burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210141585U true CN210141585U (en) | 2020-03-13 |
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ID=69732070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920474007.5U Active CN210141585U (en) | 2019-04-09 | 2019-04-09 | Biomass burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210141585U (en) |
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2019
- 2019-04-09 CN CN201920474007.5U patent/CN210141585U/en active Active
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