CN209763043U - Two-stage spiral feeding anti-backfire automatic deslagging combustion device - Google Patents
Two-stage spiral feeding anti-backfire automatic deslagging combustion device Download PDFInfo
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- CN209763043U CN209763043U CN201920177925.1U CN201920177925U CN209763043U CN 209763043 U CN209763043 U CN 209763043U CN 201920177925 U CN201920177925 U CN 201920177925U CN 209763043 U CN209763043 U CN 209763043U
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- feeding barrel
- feeding
- combustion bowl
- combustion
- stage spiral
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Abstract
the utility model discloses a two-stage spiral pay-off is prevented tempering and is removed slag burner automatically aims at providing one kind and not only can effectively solve the tempering problem of true fire fireplace, and the two-stage spiral pay-off of the granule powder that produces in the timely effectual separation combustion process prevents tempering and removes slag burner automatically moreover. It comprises a feed box; the two-stage spiral feeding device comprises an upper feeding barrel, an upper feeding barrel discharge port, a lower feeding barrel, a lower feeding auger, a lower feeding barrel feed port, a discharge port and a blanking connecting pipe, wherein the upper feeding barrel discharge port is arranged on the outer side surface of the upper feeding barrel and is downward opened; the self-cleaning ash-slag type combustion device comprises a combustion bowl with an upward opening.
Description
Technical Field
The utility model relates to a true fire fireplace, concretely relates to be applied to automatic dross removal burner of two-stage spiral pay-off anti-backfire on true fire fireplace.
Background
At present, a real fire fireplace is generally heated and ignited, namely a heating rod is used for heating biomass particles, so that fuel is combusted from a shade to an open fire (open fire); wherein the biomass particles are typically fed using a feed system. The feeding system of the current real fire fireplace is usually arranged above a hearth and adopts a funnel bin, and the lower part of the funnel bin is communicated with the hearth through a feeding channel; during actual feeding, pour the living beings granule into the funnel feed bin in, the living beings granule falls into the furnace along feed channel gradually under the dead weight effect and burns.
The current true fire fireplace has the following defects: firstly, in the combustion process of a hearth, open fire in the hearth is easy to generate a backfire problem through a feeding channel in the continuous feeding process (the backfire problem refers to the problem that the open fire in the hearth extends into a bin through the feeding channel to cause the fire of biomass particles in the bin); secondly, because the fuel particles fall into the combustion bowl and then are motionless, the fuel particles are always combusted in the combustion bowl, particle powder (ash and slag) generated by combustion cannot be separated out in time, the ash and slag in the combustion bowl is connected into blocks for a long time, air holes at the bottom of the combustion bowl are influenced, the combustion effect is influenced, stockpiles are caused, fuel cannot be smoothly combusted, and the combustion quality of biomass particles is influenced.
SUMMERY OF THE UTILITY MODEL
the utility model aims at providing a tempering problem that not only can effectively solve true fire fireplace, the granule powder that produces in the timely effectual separation combustion process moreover to improve the two-stage spiral pay-off of living beings granule's combustion quality and prevent tempering automatic deslagging burner.
the technical scheme of the utility model is that:
A two-stage spiral feeding anti-backfire automatic deslagging combustion device comprises: the bottom of the material box is provided with a blanking port; the two-stage spiral feeding device comprises an upper feeding barrel, an upper feeding auger rotationally arranged in the upper feeding barrel, an upper feeding barrel feeding port which is arranged on the outer side surface of the upper feeding barrel and is opened upwards, an upper feeding barrel discharging port which is arranged on the outer side surface of the upper feeding barrel and is opened downwards, a lower feeding barrel positioned below the upper feeding barrel, a lower feeding auger rotationally arranged in the lower feeding barrel, a lower feeding barrel feeding port which is arranged on the outer side surface of the lower feeding barrel and is opened upwards, a discharging port arranged at the output end of the lower feeding barrel and a blanking connecting pipe which connects the upper feeding barrel discharging port with the lower feeding barrel feeding port, wherein the blanking port is connected with the upper feeding barrel feeding port; the self-cleaning ash-slag type combustion device comprises a combustion bowl with an upward opening, a fixed grate and an ignition rod, wherein the fixed grate is arranged in the combustion bowl and divides an inner cavity of the combustion bowl into an upper combustion cavity and a lower air inlet cavity, the ignition rod is arranged in the lower air inlet cavity, a combustion bowl inlet is formed in one side of the upper combustion cavity, an ash discharge port is formed in the other side of the upper combustion cavity opposite to the combustion bowl inlet, the discharge port is communicated with the combustion bowl inlet, and the fixed grate extends upwards in an inclined mode from the combustion bowl inlet to the ash discharge port.
The upper feeding barrel and the lower feeding barrel in the two-stage spiral feeding device are connected through the blanking connecting pipe, a blanking channel in the blanking connecting pipe isolates the material box and the upper feeding barrel from biomass particles in the lower feeding barrel, so that open fire in the combustion bowl can be prevented from tempering to the upper feeding barrel and the material box through the lower feeding barrel, and the tempering problem of a real fire fireplace is effectively solved.
On the other hand, the self-cleaning ash-slag type combustion device conveys biomass particles forwards through the lower feeding auger and conveys the biomass particles to the fixed grate in the upper combustion cavity through the combustion bowl inlet for combustion, and the biomass particles are gradually changed into powder ash slag after high-temperature combustion; in this in-process, the pay-off auger is continuous with on the fixed grate in the living beings granule propelling movement upper portion combustion chamber, thereby with the living beings granule on the fixed grate gradually along the fixed grate up promote, the process that the living beings granule is continuous along the fixed grate up promote, the granule powder that the preceding burnt out just drops from the ash discharge mouth, realize automatic scarfing cinder process, thereby reach the mesh of scarfing cinder again simultaneously of burning, it can be timely effectual the granule powder that produces in the separation combustion process, thereby improve the burning quality of living beings granule, so can also adapt to the big, the living beings pellet fuel of calorific value is low. In addition, because the fixed grate extends upwards in an inclined manner from the combustion bowl inlet to the ash discharge port, the risk of backfire can be reduced.
Preferably, the height difference between one side of the fixed grate close to the inlet of the combustion bowl and one side of the fixed grate close to the ash discharge port is greater than or equal to H m. In this way, the risk of flashback can be reduced.
Preferably, in the feeding direction of the upper feeding auger, the distance between the feeding hole of the upper feeding barrel and the discharging hole of the upper feeding barrel is more than or equal to L meters. Therefore, the tempering of open fire from the upper feeding barrel to the material box can be prevented, and the tempering problem of a real fire fireplace is further effectively solved.
Preferably, the two-stage spiral feeding device further comprises an air inlet pipe, one end of the air inlet pipe is communicated with the lower air inlet cavity, and an inner cavity of the air inlet pipe and an inner cavity of the lower air inlet cavity jointly form an air inlet channel of the two-stage spiral feeding anti-backfire automatic deslagging burner device. In practice, the other end of the air inlet pipe is communicated with the outside of the real fire fireplace. So, when the ignition rod is worked, outside air can enter into upper portion combustion chamber in the grate clearance on inlet channel and the fixed grate to bring most heat that the ignition rod sent into the interior biomass particle department of upper portion combustion chamber, make biomass particle rapid heating up burning, shorten the ignition time. When biomass particles are combusted on the fixed grate, external air can enter the upper combustion cavity through the air inlet channel and the grate gap on the fixed grate, so that the combustion quality of the biomass particles on the fixed grate is improved.
preferably, the air inlet pipe comprises an external air pipe and a main air pipe which is connected with the external air pipe and the lower air inlet cavity, and the main air pipe is positioned below the lower feeding barrel and extends along the axis of the lower feeding barrel.
As the preferred, still be equipped with back fire damper and preceding fire damper on the opening up of combustion bowl, back fire damper is close to the combustion bowl import, and preceding fire damper is close to the ash discharge mouth.
As preferred, preceding fire damper passes through movable support mounting on the combustion bowl, movable support includes two vertical curb plates that are parallel to each other, sets up on the vertical curb plate and be the vertical hanging hole that extends from top to bottom and set up on the vertical curb plate and connect the lower part of vertical hanging hole and the installing port of the side of vertical curb plate, the combustion bowl is located between two vertical curb plates, is equipped with the peg with vertical curb plate one-to-one on the side of combustion bowl, the peg stretches into in the vertical hanging hole of the vertical curb plate that corresponds, the top edge of two vertical curb plates is connected to preceding fire damper, and preceding fire damper is located the top of combustion bowl, and preceding fire damper supports on the top edge of combustion bowl. The front fire baffle is hung on the hanging rod through the vertical hanging hole, and the front fire baffle supports on the upper edge of the combustion bowl, thereby the top of the combustion bowl is arranged in to the front fire baffle, so, the front fire baffle can up move along the vertical hanging hole, in order to increase the interval between the front fire baffle and the fixed grate, when the particle powder (ash slag) that the burning produced is not in time discharged, the gathering is connected into a block on the fixed grate of ash discharge port accessory, when leading to the ash discharge port to shrink, the particle powder that the burning produced can up jack up the front fire baffle when passing through the ash discharge port, in order to increase the interval between front fire baffle and the fixed grate, the particle powder that the burning produced can be smooth discharges through the ash discharge port, after the particle powder that the burning produced discharges through the ash discharge port, the front fire baffle moves down along the vertical hanging hole under the dead weight effect and supports on the upper edge of the burning.
Preferably, the fixed grate is an arc-shaped ascending fixed grate, and the fixed grate extends upwards in an arc shape from the inlet of the combustion bowl to the ash discharge port in an inclined mode.
Preferably, the axes of the upper and lower feed cylinders are staggered. Therefore, the arrangement of the two-stage spiral feeding devices in the real fire fireplace with different designs is facilitated, and the structural compactness of the real fire fireplace is further improved.
Preferably, the feeding hole of the upper feeding barrel is close to the input end of the upper feeding barrel.
Preferably, the discharge port of the upper feeding barrel is close to the output end of the upper feeding barrel.
Preferably, the feed inlet of the lower feed cylinder is close to the input end of the lower feed cylinder.
Preferably, the upper feeding barrel is horizontally arranged.
Preferably, the lower feeding barrel is horizontally arranged.
The utility model has the advantages that: not only can effectively solve the tempering problem of a real fire fireplace, but also can timely and effectively separate particle powder generated in the combustion process, thereby improving the combustion quality of biomass particles.
Drawings
Fig. 1 is a schematic sectional structure view of the two-stage spiral feeding anti-backfire automatic deslagging burner of the utility model.
Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
Fig. 3 is a partial structure diagram of the self-cleaning ash-slag type combustion device of the present invention.
In the figure:
A material box 1 and a blanking port 1.1;
The device comprises a two-stage spiral feeding device 2, an upper feeding barrel 2.1, an upper feeding auger 2.2, a blanking connecting pipe 2.3, a lower feeding barrel 2.4, a lower feeding auger 2.5, a lower feeding barrel feeding port 2.6, a discharging port 2.7, an upper feeding barrel feeding port 2.8 and an upper feeding barrel discharging port 2.9;
the self-cleaning ash-slag type combustion device comprises a self-cleaning ash-slag type combustion device 3, a combustion bowl 3.1, an upper combustion cavity 3.2, a lower air inlet cavity 3.3, a fixed grate 3.4, an ignition rod 3.5, a combustion bowl inlet 3.6, an ash discharge port 3.7, a rear fire baffle 3.8, a front fire baffle 3.9, a vertical side plate 3.10, a vertical hanging hole 3.11, a mounting port 3.12 and a hanging rod 3.13;
an air inlet pipe 4, an external air pipe 4.1 and a main air pipe 4.2;
An air intake channel 5.
Detailed Description
To make the objects, technical solutions and advantages of embodiments of the present invention clearer, the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present solution, and are not construed as limiting the present solution.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as fixed or removable connections or integral parts, either mechanically or electrically, or in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows: as shown in figures 1 and 2, the two-stage spiral feeding anti-backfire automatic deslagging combustion device comprises a material box 1, a two-stage spiral feeding device 2 and a self-cleaning ash-slag combustion device 3.
The lower part of the material box 1 is funnel-shaped. The bottom of the feed box is provided with a blanking port 1.1.
The two-stage spiral feeding device comprises an upper feeding barrel 2.1, an upper feeding auger 2.2 arranged in the upper feeding barrel in a rotating mode, an upper driving motor used for driving the upper feeding auger, an upper feeding barrel feeding port 2.8 arranged on the outer side surface of the upper feeding barrel and provided with an upward opening, an upper feeding barrel discharging port 2.9 arranged on the outer side surface of the upper feeding barrel and provided with a downward opening, a lower feeding barrel 2.4 positioned below the upper feeding barrel, a lower feeding auger 2.5 arranged in the lower feeding barrel in a rotating mode, a lower driving motor used for driving the lower feeding auger, a lower feeding barrel feeding port 2.6 arranged on the outer side surface of the lower feeding barrel and provided with an upward opening, a discharging port 2.7 arranged at the output end of the lower feeding barrel and a blanking connecting pipe 2.3 for connecting the upper feeding barrel discharging port with the lower. The feed inlet of the upper feeding barrel is close to the input end of the upper feeding barrel. The discharge port of the upper feeding barrel is close to the output end of the upper feeding barrel. The feed inlet of the lower feeding barrel is close to the input end of the lower feeding barrel. The blanking port of the material box is connected with the feeding port of the upper feeding barrel.
The self-cleaning ash-slag type combustion device 3 comprises a combustion bowl 3.1 with an upward opening, a fixed fire grate 3.4 arranged in the combustion bowl and used for dividing the inner cavity of the combustion bowl into an upper combustion cavity 3.2 and a lower air inlet cavity 3.3, and an ignition rod 3.5 arranged in the lower air inlet cavity. One side of the upper combustion cavity is provided with a combustion bowl inlet 3.6, and the other side of the upper combustion cavity opposite to the combustion bowl inlet is provided with an ash discharge port 3.7. The fixed grate is provided with a plurality of grate gaps. The discharge port of the lower feeding barrel is communicated with the inlet of the combustion bowl.
The fixed fire grate 3.4 is inclined upwards by the combustion bowl import toward the ash discharge port direction, for example, the fixed fire grate is inclined upwards by the inclined plane toward the ash discharge port direction from the combustion bowl import, or the fixed fire grate is inclined upwards by the arc toward the ash discharge port direction from the combustion bowl import, in this embodiment, the fixed fire grate is the fixed fire grate that the arc rises, and the fixed fire grate is inclined upwards by the arc toward the ash discharge port direction from the combustion bowl import.
The biomass granular fuel falls into the upper feeding barrel through a blanking port of the material box, is conveyed to the blanking connecting pipe through the upper feeding barrel and the upper feeding auger, and freely falls into the lower feeding barrel along the blanking connecting pipe; and then, the biomass particles are conveyed forwards by a lower feeding auger and conveyed to a fixed fire grate in the upper combustion cavity through an inlet of a combustion bowl for combustion. Because the upper feeding barrel and the lower feeding barrel in the two-stage spiral feeding device are connected through the blanking connecting pipe, the blanking channel in the blanking connecting pipe isolates the material box and the biomass particles in the upper feeding barrel and the lower feeding barrel, so that the condition that open fire in the combustion bowl is tempered to the upper feeding barrel and the material box through the lower feeding barrel can be avoided, and the tempering problem of a real fire fireplace is effectively solved.
On the other hand, because the fixed grate extends in an upward inclined manner from the inlet of the combustion bowl to the ash discharge port, biomass particles are combusted on the fixed grate, the biomass particles are gradually changed into powder ash after high-temperature combustion, the biomass particles are continuously pushed onto the fixed grate in the upper combustion cavity by the feeding auger, so that the biomass particles on the fixed grate are gradually pushed upwards along the fixed grate, the biomass particles are continuously pushed upwards along the fixed grate, the front burnt particle powder falls from the ash discharge port, the automatic slag removal process is realized, the purpose of simultaneously removing slag during combustion is achieved, the particle powder generated in the combustion process can be timely and effectively separated, the combustion quality of the biomass particles is improved, and the biomass particle fuel with large ash content and low heat value can be adapted. In addition, because the fixed grate extends upwards in an inclined manner from the combustion bowl inlet to the ash discharge port, the risk of backfire can be reduced.
Further, the height difference between the side of the fixed grate 3.4 close to the combustion bowl inlet 3.6 and the side of the fixed grate 3.4 close to the ash discharge port 3.7 is greater than or equal to H m, and the value of H in the embodiment is 20 cm. In this way, the risk of flashback can be further reduced.
Further, in the feeding direction of the upper feeding auger, the distance between the feeding port 2.8 of the upper feeding barrel and the discharging port 2.9 of the upper feeding barrel is greater than or equal to L meters, and the value of L is 40 centimeters in the embodiment. Therefore, the tempering of open fire from the upper feeding barrel to the material box can be prevented, and the tempering problem of a real fire fireplace is further effectively solved.
Further, the two-stage spiral feeding device also comprises an air inlet pipe 4, one end of the air inlet pipe is communicated with the lower air inlet cavity 3.3, the other end of the air inlet pipe is communicated with the outside of the real fire fireplace, and an inner cavity of the air inlet pipe and an inner cavity of the lower air inlet cavity jointly form an air inlet channel 5 of the two-stage spiral feeding anti-backfire automatic deslagging burner device. So, when the ignition rod during operation, outside air will pass through air inlet channel and the grate clearance on the fixed grate and get into in the upper portion combustion chamber to most heat that send the ignition rod brings the interior living beings granule department of upper portion combustion chamber into, makes living beings granule rapid heating up burning, shortens the ignition time. When biomass particles are combusted on the fixed grate, external air can enter the upper combustion cavity through the air inlet channel and the grate gap on the fixed grate, so that the combustion quality of the biomass particles on the fixed grate is improved.
Specifically, the air inlet pipe comprises an external air pipe 4.1 and a main air pipe 4.2 which is connected with the external air pipe and the lower air inlet cavity, and the main air pipe is positioned below the lower feeding barrel and extends along the axis of the lower feeding barrel. The main air pipe is connected with the feeding barrel. This can improve the compactness of the overall structure.
Further, as shown in fig. 1 and 3, a rear fire damper 3.8 and a front fire damper 3.9 are further arranged on the upward opening of the combustion bowl, the rear fire damper is close to the inlet of the combustion bowl, and the front fire damper is close to the ash discharge port. The front fire baffle is arranged on the combustion bowl through a movable bracket. The movable support comprises two vertical side plates 3.10 which are parallel to each other, vertical hanging holes 3.11 which are arranged on the vertical side plates and extend up and down, and mounting ports 3.12 which are arranged on the vertical side plates and connected with the lower parts of the vertical hanging holes and the side edges of the vertical side plates, wherein the combustion bowl is positioned between the two vertical side plates, hanging rods 3.13 which are in one-to-one correspondence with the vertical side plates are arranged on the side surfaces of the combustion bowl, and the hanging rods stretch into the vertical hanging holes of the corresponding vertical side plates. The upper edge of two vertical curb plates is connected to preceding fire baffle, and preceding fire baffle is located the top of combustion bowl, and preceding fire baffle supports on the upper edge of combustion bowl. During actual installation, the hanging rod enters the corresponding vertical hanging hole through the installation opening, so that the front fire baffle is hung on the hanging rod through the vertical hanging hole. The front fire baffle is hung on the hanging rod through the vertical hanging hole and is supported on the upper edge of the combustion bowl, so that the front fire baffle can be arranged above the combustion bowl, and can move upwards along the vertical hanging hole to increase the distance between the front fire baffle and the fixed grate. When the granule powder (lime-ash) that the burning produced does not in time discharge, the gathering is on the fixed grate of ash discharge mouth annex and is connected the agglomeration, when leading to the ash discharge mouth to shrink, the granule powder that the burning produced can be with preceding fender fireboard up jack-up when the ash discharge mouth, interval between fender fireboard and the fixed grate before the increase, the granule powder that makes the burning produce can be smooth discharges through the ash discharge mouth, after the granule powder that the burning produced discharges through the ash discharge mouth, preceding fireboard moves down and supports on the upper edge at the combustion bowl along vertical hanging hole under the dead weight effect.
Furthermore, the axis of the upper feeding barrel is staggered with the axis of the lower feeding barrel. Therefore, the arrangement of the two-stage spiral feeding devices in the real fire fireplace with different designs is facilitated, and the structural compactness of the real fire fireplace is further improved.
further, the upper feeding barrel is horizontally arranged. The lower feeding barrel is horizontally arranged.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (10)
1. The utility model provides a two-stage spiral pay-off anti-backfire automatic deslagging burner which characterized by includes:
The bottom of the material box is provided with a blanking port;
The two-stage spiral feeding device comprises an upper feeding barrel, an upper feeding auger rotationally arranged in the upper feeding barrel, an upper feeding barrel feeding port which is arranged on the outer side surface of the upper feeding barrel and is opened upwards, an upper feeding barrel discharging port which is arranged on the outer side surface of the upper feeding barrel and is opened downwards, a lower feeding barrel positioned below the upper feeding barrel, a lower feeding auger rotationally arranged in the lower feeding barrel, a lower feeding barrel feeding port which is arranged on the outer side surface of the lower feeding barrel and is opened upwards, a discharging port arranged at the output end of the lower feeding barrel and a blanking connecting pipe which connects the upper feeding barrel discharging port with the lower feeding barrel feeding port, wherein the blanking port is connected with the upper feeding barrel feeding port;
The self-cleaning ash-slag type combustion device comprises a combustion bowl with an upward opening, a fixed grate and an ignition rod, wherein the fixed grate is arranged in the combustion bowl and divides an inner cavity of the combustion bowl into an upper combustion cavity and a lower air inlet cavity, the ignition rod is arranged in the lower air inlet cavity, a combustion bowl inlet is formed in one side of the upper combustion cavity, an ash discharge port is formed in the other side of the upper combustion cavity opposite to the combustion bowl inlet, the fixed grate extends upwards in an inclined mode from the combustion bowl inlet to the ash discharge port, and the discharge port is communicated with the combustion bowl inlet.
2. the two-stage spiral feeding anti-backfire automatic deslagging burner of claim 1 wherein the difference in height between the side of the fixed grate adjacent to the inlet of the combustion bowl and the side of the fixed grate adjacent to the ash discharge port is greater than or equal to 20 cm.
3. The two-stage spiral feeding anti-backfire automatic deslagging burner as claimed in claim 1, wherein in the feeding direction of the upper feeding auger, the distance between the feeding port of the upper feeding barrel and the discharging port of the upper feeding barrel is more than or equal to 40 cm.
4. The two-stage spiral feeding backfire-proof automatic deslagging burner unit as recited in claim 1, 2 or 3, wherein the two-stage spiral feeding unit further comprises an air inlet pipe, one end of the air inlet pipe is communicated with the lower air inlet cavity, and an inner cavity of the air inlet pipe and an inner cavity of the lower air inlet cavity jointly form an air inlet channel of the two-stage spiral feeding backfire-proof automatic deslagging burner unit.
5. The two-stage spiral feeding backfire-proof automatic deslagging burner unit of claim 4, wherein the air inlet pipe comprises an external air pipe and a main air pipe connecting the external air pipe and the lower air inlet cavity, and the main air pipe is positioned below the lower feeding barrel and extends along the axis of the lower feeding barrel.
6. The two-stage spiral feeding backfire-proof automatic deslagging burner as claimed in claim 1, 2 or 3, wherein the upward opening of the combustion bowl is further provided with a rear fire baffle and a front fire baffle, the rear fire baffle is close to the combustion bowl inlet, and the front fire baffle is close to the ash discharge port.
7. the two-stage spiral feeding anti-backfire automatic deslagging burner as claimed in claim 6, wherein the front fire baffle is mounted on the combustion bowl through a movable support, the movable support comprises two vertical side plates parallel to each other, vertical hanging holes arranged on the vertical side plates and extending up and down, and mounting ports arranged on the vertical side plates and connecting the lower parts of the vertical hanging holes and the side edges of the vertical side plates, the combustion bowl is positioned between the two vertical side plates, hanging rods corresponding to the vertical side plates one by one are arranged on the side surfaces of the combustion bowl, the hanging rods extend into the vertical hanging holes of the corresponding vertical side plates, the front fire baffle is connected with the upper edges of the two vertical side plates, the front fire baffle is positioned above the combustion bowl, and the front fire baffle abuts against the upper edge of the combustion bowl.
8. The two-stage spiral feeding anti-backfire automatic deslagging burner as claimed in claim 1, 2 or 3, wherein the fixed grate extends in an arc shape from the inlet of the combustion bowl to the direction of the ash discharge port and inclines upwards.
9. The two-stage spiral feeding anti-backfire automatic deslagging burner as claimed in claim 1, 2 or 3, wherein the axes of the upper feeding barrel and the lower feeding barrel are staggered.
10. The two-stage spiral feeding anti-backfire automatic deslagging burner unit as claimed in claim 1, 2 or 3, wherein the feed inlet of the upper feed cylinder is close to the input end of the upper feed cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920177925.1U CN209763043U (en) | 2019-01-31 | 2019-01-31 | Two-stage spiral feeding anti-backfire automatic deslagging combustion device |
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| CN201920177925.1U CN209763043U (en) | 2019-01-31 | 2019-01-31 | Two-stage spiral feeding anti-backfire automatic deslagging combustion device |
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| CN209763043U true CN209763043U (en) | 2019-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654478A (en) * | 2018-06-26 | 2019-04-19 | 浙江中力工具制造有限公司 | Two-stage screw feeding anti-backfire removes slag burner automatically |
-
2019
- 2019-01-31 CN CN201920177925.1U patent/CN209763043U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654478A (en) * | 2018-06-26 | 2019-04-19 | 浙江中力工具制造有限公司 | Two-stage screw feeding anti-backfire removes slag burner automatically |
| CN109654478B (en) * | 2018-06-26 | 2020-08-18 | 浙江中力工具制造有限公司 | Two-stage spiral feeding anti-backfire automatic deslagging combustion device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |