CN109695868B - True fire fireplace - Google Patents
True fire fireplace Download PDFInfo
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- CN109695868B CN109695868B CN201910099331.8A CN201910099331A CN109695868B CN 109695868 B CN109695868 B CN 109695868B CN 201910099331 A CN201910099331 A CN 201910099331A CN 109695868 B CN109695868 B CN 109695868B
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- combustion
- feeding barrel
- combustion bowl
- air inlet
- furnace body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a real fire fireplace, and aims to provide a real fire fireplace which can shorten the ignition time, quickly heat and burn biomass particles, and effectively separate particle powder generated in the burning process in time so as to improve the burning quality of the biomass particles. The furnace comprises a furnace body, wherein a closed combustion chamber is arranged in the furnace body; a screw feeding device; the self-cleaning ash-slag type combustion device comprises a combustion bowl which is positioned in the lower part of a combustion chamber and is provided with an upward opening, a fixed grate which is arranged in the combustion bowl and divides the inner cavity of the combustion bowl into an upper combustion cavity and a lower air inlet cavity, and an ignition rod which is arranged in the lower air inlet cavity; the smoke discharging and air inlet structure comprises a smoke discharging channel and an air inlet pipe which are arranged in the furnace body and a smoke discharging fan which is arranged on the smoke discharging channel.
Description
Technical Field
The invention relates to a fireplace, in particular to a real 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: 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, the air holes of a fire grate at the bottom of the combustion bowl are influenced, the combustion effect is influenced, stockpiles are caused, the fuel cannot be smoothly combusted, and the combustion quality of biomass particles is influenced.
Disclosure of Invention
The invention aims to provide a real fire fireplace which can shorten the ignition time, quickly heat and burn biomass particles and timely and effectively separate particle powder generated in the burning process so as to improve the burning quality of the biomass particles.
The technical scheme of the invention is as follows:
a real fire fireplace comprising: the furnace body is internally provided with a closed combustion chamber; the spiral feeding device comprises a lower feeding barrel, a lower feeding auger rotatably arranged in the lower feeding barrel and a discharging port arranged at the output end of the lower feeding barrel; the self-cleaning ash-slag type combustion device comprises a combustion bowl, a fixed grate and an ignition rod, wherein the combustion bowl is positioned in the lower part of a combustion chamber and is provided with an upward opening, 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, one side of the upper combustion cavity is provided with a combustion bowl inlet, the other side of the upper combustion cavity opposite to the combustion bowl inlet is provided with an ash discharge port, the discharge port is communicated with the combustion bowl inlet, and the fixed grate extends upwards in an inclined manner from the combustion bowl inlet to the ash discharge port; the smoke exhaust and air inlet structure comprises a smoke exhaust channel and an air inlet pipe which are arranged in the furnace body and a smoke exhaust fan which is arranged on the smoke exhaust channel, wherein one end of the smoke exhaust channel is communicated with the outer side of the furnace body, the other end of the smoke exhaust channel is communicated with the upper part of the combustion chamber, one end of the air inlet pipe is communicated with the lower air inlet cavity, the other end of the air inlet pipe is communicated with the outer side of the furnace body, and the inner cavity of the air inlet pipe and the inner cavity of the lower air inlet cavity jointly form an air inlet channel of the furnace body.
The true fire fireplace of this scheme is at the firing rod during operation, and smoke exhaust fan also starts simultaneously, so, under smoke exhaust fan's the effect of forced air exhaust, outside discharging the furnace body through exhaust fume duct with the air in the inclosed combustion chamber, simultaneously, outside air will pass through the grate clearance on inlet air duct and the fixed grate and get into in the upper portion combustion chamber to bring most heat that the firing rod sent into the interior living beings granule department of upper portion combustion chamber, make living beings granule rapid heating up burning, shorten the ignition time. When biomass particles are combusted on the fixed grate, smoke in the combustion chamber is discharged out of the furnace body through the smoke exhaust channel, and external air enters 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.
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 heating device comprises a warm air duct arranged in the furnace body, a warm air blower arranged on the warm air duct, a plurality of heat exchange tubes arranged on the upper part of the combustion chamber and a warm air outlet arranged on the upper part of the front side surface of the furnace body, one end opening of each heat exchange tube is communicated with an inner cavity of the warm air duct, and the other end opening of each heat exchange tube faces the warm air outlet. Therefore, in the biomass particle combustion process, the heat exchange tube positioned at the upper part of the combustion chamber is continuously heated, and hot air in the heat exchange tube is continuously blown out through the warm air outlet by the warm air blower, so that indoor heating is realized.
Preferably, the heat exchange tube is provided with a combustion chamber fin, one part of the combustion chamber fin is positioned in the inner cavity of the heat exchange tube, and the other part of the combustion chamber fin is positioned in the combustion chamber outside the heat exchange tube.
Preferably, the warm air blower is positioned below the combustion chamber, the warm air duct extends up and down, the lower end of the warm air duct is connected with an air outlet of the warm air blower, and one port of the heat exchange tube is communicated with an inner cavity at the upper end of the warm air duct. Therefore, the arrangement rationality of the internal structure of the real fire fireplace can be improved, and the improvement of the structural compactness of the real fire fireplace is facilitated.
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 further reduced.
Preferably, the furnace body is internally provided with a material box, the bottom of the material box is provided with a blanking port, the spiral feeding device further comprises an upper feeding barrel, an upper feeding auger arranged in the upper feeding barrel in a rotating manner, 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 feeding port which is arranged on the outer side surface of the lower feeding barrel and is opened upwards, and a blanking connecting pipe which is connected with the upper feeding barrel discharging port and the lower feeding barrel feeding port, wherein the lower feeding barrel is positioned below the upper feeding barrel, and the blanking port is. The upper feeding barrel and the lower feeding barrel in the spiral feeding device are connected through the blanking connecting pipe, a blanking channel in the blanking connecting pipe isolates the bin 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 bin through the lower feeding barrel can be avoided, and the tempering problem of a real fire fireplace is effectively solved.
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 greater than or equal to L m, so that open fire can be prevented from being tempered from the upper feeding barrel to the material box, and the tempering problem of a real fire fireplace is further effectively solved.
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 is propped against the upper edge of the combustion bowl, thereby supporting the front fire baffle above the combustion bowl, so that the front fire baffle can move upwards along the vertical hanging hole to increase the distance between the front fire baffle and the fixed fire grate, when the particle powder (ash) generated by combustion is not discharged in time and is gathered on the fixed fire grate near the ash discharge port and connected into blocks, so that the ash discharge port is reduced, the particle powder generated by combustion can jack the front fire baffle upwards when passing through the ash discharge port, so as to increase the distance between the front fire baffle and the fixed fire grate, and the particle powder generated by combustion can be smoothly discharged through the ash discharge port, after the granule powder that the burning produced discharges through the ash discharge mouth, preceding fire damper moves down and supports on the upper edge of burning bowl along vertical hanging hole under the dead weight effect.
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 bottom of the combustion chamber is also provided with an ash collecting box with an opening at the upper end, and the ash collecting box is positioned right below the ash discharging port.
Preferably, the front side surface of the furnace body is also provided with a furnace opening communicated with the combustion chamber and a furnace door for sealing the furnace opening.
The invention has the beneficial effects that: the ignition time can be shortened, biomass particles can be rapidly heated and combusted, and particle powder generated in the combustion process can be timely and effectively separated, so that the combustion quality of the biomass particles is improved.
Drawings
FIG. 1 is a cross-sectional view of a real fire fireplace of the present invention.
FIG. 2 is a schematic view of a partial cross-sectional structure of a bin, a screw feeder and a self-cleaning ash type combustion device of a real fire fireplace of the present invention.
Fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.
FIG. 4 is a partial schematic view of a self cleaning ash combustion device of a real fire fireplace in accordance with the present invention.
In the figure:
1.1 of a combustion chamber, 1.2 of a furnace door, 1.3 of a material box, 1.31 of a blanking port and 1.4 of an ash collecting box;
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 channel 4.0, an air inlet pipe 4.1, an external air pipe 4.11, a main air pipe 4.12, a smoke exhaust channel 4.2, a lower smoke exhaust flue 4.21, an upper smoke exhaust flue 4.22 and a smoke exhaust fan 4.3;
the hot air device comprises a hot air duct 5.1, a warm air blower 5.2, a heat exchange tube 5.3, a hot air outlet 5.4 and a combustion chamber fin 5.5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of 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, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort 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 or similar 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 scheme, and are not construed as limiting the scheme of the present invention.
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 and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and 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 thus, 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 "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections, either mechanical or electrical, or communicating 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in figures 1 and 2, the real fire fireplace comprises a furnace body, a spiral feeding device 2, a self-cleaning ash type combustion device 3, a smoke exhaust and air intake structure and a heating device.
The furnace body is internally provided with a closed combustion chamber 1.1 and a feed box 1.3. The front side surface of the furnace body is also provided with a furnace opening communicated with the combustion chamber and a furnace door 1.2 used for sealing the furnace opening. The bin is located outside the combustion chamber. As shown in fig. 1 and 3, the lower part of the magazine 1 is funnel-shaped. The bottom of the feed box is provided with a blanking port 1.31.
As shown in fig. 1, 2 and 3, the screw feeder 2 is located outside the combustion chamber. The 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 with an upward opening and arranged on the outer side surface of the upper feeding barrel, an upper feeding barrel discharging port 2.9 with a downward opening and arranged on the outer side surface of the upper feeding barrel, 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 with an upward opening and arranged on the outer side surface of the lower feeding barrel, 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 feeding barrel feeding port. 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 feed box is positioned above the upper feeding barrel. The blanking port of the material box is connected with the feeding port of the upper feeding barrel. In this embodiment, the upper feeding barrel is horizontally arranged, and the lower feeding barrel is horizontally arranged.
As shown in fig. 1 and 2, the self-cleaning ash-slag type combustion device 3 comprises a combustion bowl 3.1 which is positioned in the lower part of the combustion chamber and is opened upwards, a fixed grate 3.4 which is arranged in the combustion bowl and divides 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 which is 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 grate 3.4 is inclined upward and extends from the combustion bowl inlet 3.6 to the ash discharge port 3.7, for example, the fixed grate is inclined upward and extends from the combustion bowl inlet to the ash discharge port, or the fixed grate is inclined upward and extends from the combustion bowl inlet to the ash discharge port in an arc shape.
As shown in fig. 1 and 2, the smoke exhaust and air intake structure includes an air inlet pipe 4.1 and a smoke exhaust channel 4.2 arranged in the furnace body and a smoke exhaust fan 4.3 arranged on the smoke exhaust channel. One end of the smoke exhaust channel 4.2 is communicated with the outer side of the furnace body, and the other end of the smoke exhaust channel is communicated with the upper part of the combustion chamber. One end of an air inlet pipe 4.1 is communicated with the lower air inlet cavity 3.3, and the other end of the air inlet pipe is communicated with the outer side of the furnace body. The inner cavity of the air inlet pipe and the inner cavity of the lower air inlet cavity jointly form an air inlet channel 4.0 of the furnace body.
As shown in fig. 1, the heating device includes a warm air duct 5.1 disposed in the furnace body, a warm air blower 5.2 disposed on the warm air duct, a plurality of heat exchange tubes 5.3 disposed on the upper portion of the combustion chamber, and a warm air outlet 5.4 disposed on the upper portion of the front side of the furnace body. One end port of the heat exchange tube is communicated with the inner cavity of the warm air duct, and the other end port of the heat exchange tube faces the warm air outlet.
During specific work, the spiral feeding device works, the ignition rod works, the smoke exhaust fan is also started simultaneously, the spiral feeding device enables biomass granular fuel to fall into the upper feeding barrel through the blanking port of the work bin, then the biomass granular fuel 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; then, the biomass particles are conveyed forwards by a lower feeding auger and conveyed to a fixed fire grate in an upper combustion cavity through an inlet of a combustion bowl for combustion; when biomass particles are conveyed to the fixed grate, air in the closed combustion chamber is discharged out of the furnace body through the smoke exhaust channel under the forced air exhaust effect of the smoke exhaust fan, and meanwhile, the outside air enters the upper combustion cavity through the grate gaps on the air inlet channel and the fixed grate, so that most of heat emitted by the ignition rod is brought into the endogenous biomass particles of the upper combustion cavity, the biomass particles are rapidly heated and combusted, and the ignition time is shortened. When biomass particles are combusted on the fixed grate, smoke in the combustion chamber is discharged out of the furnace body through the smoke exhaust channel, and external air enters 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. In the process of burning the biomass particles, a large amount of generated heat continuously heats the heat exchange tubes positioned at the upper part of the combustion chamber, and hot air in the heat exchange tubes is continuously blown out through the warm air outlet by the warm air blower, so that indoor heating is realized.
On the other hand, in the process of burning the biomass particles in the combustion chamber, as the upper feeding barrel and the lower feeding barrel in the spiral feeding device are connected through the blanking connecting pipe, a blanking channel in the blanking connecting pipe isolates the bin 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 bin through the lower feeding barrel can be avoided, and the tempering problem of a real-fire fireplace is effectively solved.
Because the fixed grate extends obliquely upwards from the inlet of the combustion bowl to the ash discharging opening, 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 off from the ash discharging opening, the automatic slag cleaning process is realized, the purpose of cleaning 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, as shown in fig. 2, a height difference between a side of the fixed grate 3.4 near the combustion bowl inlet 3.6 and a side of the fixed grate 3.4 near the ash discharge port 3.7 is greater than or equal to H m, where H is 20 cm in this embodiment. In this way, the risk of flashback can be further reduced.
Further, as shown in fig. 2, 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, in this embodiment, the value of L is 40 cm.
Further, as shown in fig. 2 and 4, 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 supported 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, as shown in fig. 1, the heat exchange tube is provided with a combustion chamber fin 5.5, one part of the combustion chamber fin is positioned in the inner cavity of the heat exchange tube, and the other part of the combustion chamber fin is positioned in the combustion chamber outside the heat exchange tube. Therefore, the heating efficiency of the air in the heat exchange pipe is accelerated.
Furthermore, the outer side surface of the ignition rod is provided with heat conducting fins. This is advantageous in improving the ignition efficiency.
Further, as shown in fig. 1, the warm air blower is located below the combustion chamber, the warm air duct extends up and down, the lower end of the warm air duct is connected with the air outlet of the warm air blower, and one port of the heat exchange tube is communicated with the inner cavity at the upper end of the warm air duct. Therefore, the arrangement rationality of the internal structure of the real fire fireplace can be improved, and the improvement of the structural compactness of the real fire fireplace is facilitated.
Further, as shown in fig. 1, the bottom of the combustion chamber is also provided with an ash collection box 1.4 with an opening at the upper end, and the ash collection box is positioned right below the ash discharge port. So, the granule powder that drops by row's ash mouth will fall into in the collection ash box, the granule powder that the clearance burning of being convenient for produced.
Further, as shown in fig. 2, the air inlet pipe 4.1 includes an external air pipe 4.11 and a main air pipe 4.12 connecting the external air pipe and the lower air inlet cavity, and the main air pipe is located 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, the smoke exhaust channel 4.2 includes a lower flue 4.21 located at the lower part of the furnace body and an upper flue 4.22 located above the lower flue. One end of the lower-row flue is communicated with the outer side of the furnace body so as to realize that one end of the smoke exhaust channel is communicated with the outer side of the furnace body. The upper flue extends up and down, the lower end of the upper flue is communicated with the lower flue, and the upper end of the upper flue is communicated with the upper part of the combustion chamber, so that the other end of the smoke exhaust channel is communicated with the upper part of the combustion chamber.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (7)
1. A real fire fireplace, characterized by, includes:
the furnace body is internally provided with a closed combustion chamber;
the spiral feeding device comprises a lower feeding barrel, a lower feeding auger rotatably arranged in the lower feeding barrel and a discharging port arranged at the output end of the lower feeding barrel;
the self-cleaning ash-slag type combustion device comprises a combustion bowl, a fixed grate and an ignition rod, wherein the combustion bowl is positioned in the lower part of a combustion chamber and is provided with an upward opening, 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, one side of the upper combustion cavity is provided with a combustion bowl inlet, the other side of the upper combustion cavity opposite to the combustion bowl inlet is provided with an ash discharge port, the discharge port is communicated with the combustion bowl inlet, and the fixed grate extends upwards in an inclined manner from the combustion bowl inlet to the ash discharge port;
the smoke exhaust and air inlet structure comprises a smoke exhaust channel and an air inlet pipe which are arranged in the furnace body and a smoke exhaust fan arranged on the smoke exhaust channel, wherein one end of the smoke exhaust channel is communicated with the outer side of the furnace body, the other end of the smoke exhaust channel is communicated with the upper part of the combustion chamber, one end of the air inlet pipe is communicated with a lower air inlet cavity, the other end of the air inlet pipe is communicated with the outer side of the furnace body, and the inner cavity of the air inlet pipe and the inner cavity of the lower air inlet cavity jointly form an air inlet channel of the furnace body;
the upward opening of the combustion bowl is also provided with a rear fire baffle and a front fire baffle, the rear fire baffle is close to the inlet of the combustion bowl, and the front fire baffle is close to the ash discharge port;
the front fire baffle is installed on the combustion bowl through a movable support, the movable support comprises two vertical side plates which are parallel to each other, vertical hanging holes which are arranged on the vertical side plates and extend vertically, and installing ports which are arranged on the vertical side plates and are connected with 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 which are in one-to-one correspondence with the vertical side plates 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 is abutted against the upper edge of the combustion bowl;
the bottom of the combustion chamber is also provided with an ash collecting box with an opening at the upper end, and the ash collecting box is positioned under the ash discharging port.
2. The fire fireplace as claimed in claim 1, further comprising a heating device, wherein the heating device comprises a warm air duct arranged in the furnace body, a warm air blower arranged on the warm air duct, a plurality of heat exchange tubes arranged on the upper portion of the combustion chamber, and a warm air outlet arranged on the upper portion of the front side face of the furnace body, one end of each heat exchange tube is communicated with an inner cavity of the warm air duct, and the other end of each heat exchange tube faces the warm air outlet.
3. A fire fireplace as claimed in claim 2 wherein the heat exchange tube is provided with combustion chamber fins, one part of which is located within the interior of the heat exchange tube and the other part of which is located within the combustion chamber outside the heat exchange tube.
4. The fire fireplace as claimed in claim 2 or 3, wherein the warm air blower is located below the combustion chamber, the warm air duct extends up and down, the lower end of the warm air duct is connected with an air outlet of the warm air blower, and one end opening of the heat exchange tube is communicated with an inner cavity at the upper end of the warm air duct.
5. A real fire fireplace as claimed in claim 1 or claim 2 or claim 3 wherein the difference in height between the side of the fixed grate adjacent the combustion bowl inlet and the side of the fixed grate adjacent the ash discharge opening is greater than or equal to 20 cm.
6. The real fire fireplace as claimed in claim 1, 2 or 3, wherein a bin is further arranged in the furnace body, a blanking port is arranged at the bottom of the bin, the spiral feeding device further comprises an upper feeding barrel, an upper feeding auger rotatably 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 open upwards, an upper feeding barrel discharging port which is arranged on the outer side surface of the upper feeding barrel and is open downwards, a lower feeding barrel feeding port which is arranged on the outer side surface of the lower feeding barrel and is open upwards, and a blanking connecting pipe which connects the upper feeding barrel discharging port with the lower feeding barrel feeding port, the lower feeding barrel is positioned below the upper feeding barrel, and the blanking port is connected with the upper feeding barrel feeding port.
7. The real fire fireplace as claimed in claim 6, wherein the distance between the feed inlet of the upper feed barrel and the discharge outlet of the upper feed barrel is greater than or equal to 40 cm in the feeding direction of the upper feed auger.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672569.0A CN109114541A (en) | 2018-06-26 | 2018-06-26 | The fireplace feeding combustion apparatus of automatic slag removal |
| CN2018106725690 | 2018-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109695868A CN109695868A (en) | 2019-04-30 |
| CN109695868B true CN109695868B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810672569.0A Pending CN109114541A (en) | 2018-06-26 | 2018-06-26 | The fireplace feeding combustion apparatus of automatic slag removal |
| CN201910099331.8A Active CN109695868B (en) | 2018-06-26 | 2019-01-31 | True fire fireplace |
| CN201910099341.1A Active CN109654478B (en) | 2018-06-26 | 2019-01-31 | Two-stage spiral feeding anti-backfire automatic deslagging combustion device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810672569.0A Pending CN109114541A (en) | 2018-06-26 | 2018-06-26 | The fireplace feeding combustion apparatus of automatic slag removal |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910099341.1A Active CN109654478B (en) | 2018-06-26 | 2019-01-31 | Two-stage spiral feeding anti-backfire automatic deslagging combustion device |
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| CN (3) | CN109114541A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11359817B2 (en) * | 2019-01-25 | 2022-06-14 | Weber-Stephen Products Llc | Pellet grills |
| CN111720858A (en) * | 2020-06-30 | 2020-09-29 | 连云港鑫祥铸造有限公司 | Vermiculite true fire fireplace capable of secondary combustion |
| CN114216121B (en) * | 2021-12-16 | 2022-08-30 | 湖州织里长和热电有限公司 | Energy-saving efficient boiler variable-speed combustion system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209763042U (en) * | 2019-01-31 | 2019-12-10 | 浙江中力工具制造有限公司 | True fire fireplace |
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| CN1017549B (en) * | 1988-01-30 | 1992-07-22 | 顾志龙 | Adjustable and movable boiler arch |
| CN1017550B (en) * | 1988-10-08 | 1992-07-22 | 顾志龙 | Adjustable moving furnace arch adapting boiler for various working condition and coals |
| CN2254993Y (en) * | 1996-04-10 | 1997-05-28 | 北京锅炉研究所 | Walking type laminated combustion apparatus with automatic rotation slag obstruction means |
| CN203349261U (en) * | 2013-03-29 | 2013-12-18 | 温岭市蓝宝精灵锅炉有限公司 | Biomass burning device |
| CN203323181U (en) * | 2013-06-19 | 2013-12-04 | 浙江中力工具制造有限公司 | Biomass wall furnace with automatic soot cleaning function |
| CN203718828U (en) * | 2014-01-02 | 2014-07-16 | 永康市川润工贸有限公司 | Particle burning heating fireplace |
| CN105371487A (en) * | 2014-08-26 | 2016-03-02 | 青岛恒昌盛集团有限公司 | Straw particle combustion furnace |
| CN204313270U (en) * | 2014-12-10 | 2015-05-06 | 刘永泉 | A kind of biomass shaped fuel boiler |
| CN106765134B (en) * | 2017-02-28 | 2023-03-21 | 华南理工大学 | Furnace arch linkage adjusting incineration device and method based on garbage heat value |
| CN206739345U (en) * | 2017-04-26 | 2017-12-12 | 浙江中力工具制造有限公司 | A kind of anti-backfire two level feeds boiler |
| CN206817517U (en) * | 2017-06-16 | 2017-12-29 | 京南华唐新能源科技股份有限公司 | Charcoal base or biomass granule fuel fireplace with deslagging device |
| CN207230721U (en) * | 2017-09-30 | 2018-04-13 | 潍坊铄石生物质科技有限公司 | Biological particles warming stove |
| CN209763043U (en) * | 2019-01-31 | 2019-12-10 | 浙江中力工具制造有限公司 | Two-stage spiral feeding anti-backfire automatic deslagging combustion device |
-
2018
- 2018-06-26 CN CN201810672569.0A patent/CN109114541A/en active Pending
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- 2019-01-31 CN CN201910099331.8A patent/CN109695868B/en active Active
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|---|---|---|---|---|
| CN209763042U (en) * | 2019-01-31 | 2019-12-10 | 浙江中力工具制造有限公司 | True fire fireplace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109654478A (en) | 2019-04-19 |
| CN109695868A (en) | 2019-04-30 |
| CN109114541A (en) | 2019-01-01 |
| CN109654478B (en) | 2020-08-18 |
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Denomination of invention: True fireplace Effective date of registration: 20221031 Granted publication date: 20200804 Pledgee: Lishui Jinyun Sub branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG ZHONGLI TOOLS MANUFACTURE Co.,Ltd. Registration number: Y2022980020218 |