CN215892427U - Biomass particle hot blast stove - Google Patents
Biomass particle hot blast stove Download PDFInfo
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- CN215892427U CN215892427U CN202121929330.0U CN202121929330U CN215892427U CN 215892427 U CN215892427 U CN 215892427U CN 202121929330 U CN202121929330 U CN 202121929330U CN 215892427 U CN215892427 U CN 215892427U
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Abstract
The utility model discloses a biomass particle hot blast stove which comprises heat exchangers, wherein the heat exchangers are connected with a stove body and are positioned above the stove body, the heat exchangers are arranged in two groups from top to bottom, each heat exchanger comprises a fire box and fin heat pipes, the fin heat pipes are arranged in the fire box, the distance between every two adjacent fin heat pipes is larger than 100mm, the biomass particle hot blast stove also comprises a burner, and a hopper is connected with a combustion cavity in a screw conveyer feeding mode. The combustor is also provided with an ignition device and a combustion-supporting device, wherein the ignition device comprises an igniter nozzle, a plurality of nozzles surrounding the igniter nozzle and a plurality of air inlet holes surrounding the nozzle area; the heat exchanger has the advantages that the heat exchange area of the 18 finned tubes is larger, and the heat exchange efficiency is higher; the finned tubes are arranged in a mode of 5, 4, 5 and 4 from bottom to top, and the arrangement of the finned tubes is more favorable for the flow and heat exchange of wind; biomass particles can enter the combustion device through the auger feeding mechanism, and can be automatically ignited and combusted through the combustion-supporting device and the ignition device, so that automatic operation is realized.
Description
Technical Field
The utility model relates to the technical field of hot blast stoves, in particular to a biomass particle hot blast stove.
Background
Chinese patent CN213119512U discloses a multi-functional living beings granule hot-blast furnace, including first combustion chamber and second combustion chamber, first combustion chamber corresponds the intercommunication through ventilation pipe and second combustion chamber the outside correspondence of first combustion chamber is equipped with the feeder hopper correspond in proper order under the feeder hopper and be equipped with screw feeder and automatic ignition furnace bridge, automatic ignition furnace bridge corresponds with first combustion chamber and is connected, first combustion chamber corresponds with first oxygen distribution pipe and second oxygen distribution pipe and is connected the bottom of first combustion chamber still corresponds and is equipped with the fire grate deashing mouth the bottom correspondence of second combustion chamber is equipped with the slag notch, the second combustion chamber corresponds with heat exchanger and is connected, heat exchanger's air outlet corresponds with the tail gas draught fan and is connected. The utility model adopts secondary air distribution for oxygen supply, so that biomass particles are subjected to spiral suspension combustion and secondary oxygen supply combustion, and the combustion heat efficiency is improved by over 90 percent.
In the prior art, combustion furnaces are widely used in heating devices, with biomass combustion furnace equipment being the most common. Traditional flue-cured tobacco heating equipment is with burning furnace many, and ordinary biomass burning furnace is all the manual operation from the feeding to carrying, and the required intensity of labour of this kind of working method is big, not only wastes time still hard. The heat source of the traditional combustion furnace is not pure, and the quality of the flue-cured tobacco is seriously influenced; the heat source is unstable, which leads to unstable effect of the flue-cured tobacco.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of the background technology, and provides a biomass particle hot blast stove which is arranged in a mode that five groups of fin heat pipes are arranged side by side from the upper part and four groups are arranged side by side from the lower part, and the arrangement is more favorable for the flow and heat exchange of wind.
The purpose of the utility model can be realized by the following technical scheme:
biomass particle hot-blast furnace, including the heat exchanger, the heat exchanger is connected with the furnace body to be located the top of furnace body, the heat exchanger sets up two sets ofly from top to bottom, and the heat exchanger includes fire box and fin heat pipe, and the fin heat pipe is installed in the fire box, and the distance between the adjacent fin heat pipe is greater than 100 mm.
As a further scheme of the utility model: the furnace body is characterized by further comprising a chimney, wherein the chimney is arranged at a smoke exhaust port of the furnace body and is composed of a vertical chimney and a transverse chimney to form an L-shaped structure.
As a further scheme of the utility model: five groups of fin heat pipes are arranged side by side at the upper part, four groups of fin heat pipes are arranged side by side at the lower part, and 18 groups of fin heat pipes are arranged in the heat exchanger.
As a further scheme of the utility model: the furnace body is also included, and a fire baffle is arranged in the settling tank of the furnace body.
As a further scheme of the utility model: the thickness of the furnace top of the furnace body is 5 mm.
As a further scheme of the utility model: be provided with the burner frame in the furnace body, the burner frame is used for bearing living beings pellet fuel, and the burner frame is connected with the combustor.
As a further scheme of the utility model: also comprises a combustor, wherein the volume of a hopper of the combustor is more than or equal to 0.2m3And the hopper is connected with the combustion chamber in a screw feeding mode.
As a further scheme of the utility model: the burner is also provided with an ignition device and a combustion-supporting device, wherein the ignition device comprises an igniter nozzle, a plurality of nozzles surrounding the igniter nozzle and a plurality of air inlet holes surrounding the nozzle area.
As a further scheme of the utility model: the combustion-supporting device is a combustion-supporting fan.
The utility model has the beneficial effects that:
the heat exchanger is divided into two layers, which is more beneficial to construction and installation; the heat exchange area of the 18 finned tubes is larger, and the heat exchange efficiency is higher; the finned tubes are arranged in a mode of 5, 4, 5 and 4 from bottom to top, the distance between the tube walls of the finned tubes is more than or equal to 100mm, and the finned tubes are arranged moreThe flow and heat exchange of wind are facilitated; the flue gas impacts a fire baffle in the settling tank to achieve the dust settling effect; the volume of the hopper is more than or equal to 0.2m3The fuel is not required to be added frequently by manpower, so that the labor intensity of the manpower is reduced; biomass particles can enter the combustion device through the auger feeding mechanism, and can be automatically ignited and combusted through the combustion-supporting device and the ignition device, so that automatic operation is realized.
Drawings
The utility model will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention.
In the figure: 1. a chimney; 2. a heat exchanger; 3. a furnace body; 4. a combustion engine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention is a biomass pellet stove comprising:
the device comprises a chimney 1, a smoke exhaust port of a furnace body 3 and a smoke exhaust pipe, wherein the chimney 1 is arranged at the smoke exhaust port of the furnace body 3 and consists of a vertical chimney and a transverse chimney to form an L-shaped structure, and the chimney 1 exhausts smoke when biomass particles are combusted;
the heat exchangers 2 are connected with the furnace body 3, heat generated by the furnace body 3 is transferred to fluid with lower temperature from fluid with higher temperature, the two groups of heat exchangers 2 are arranged up and down, the load of the single group of heat exchangers 2 can be reduced, the weight of the single-layer heat exchanger 2 can be reduced, and the construction and installation of the heat exchangers 2 in the early stage and the overhaul and maintenance of the heat exchangers 2 in the later stage are facilitated; the heat exchanger 2 comprises a fire box and fin heat pipes, wherein the fin heat pipes are arranged in the fire box, five groups of fin heat pipes are arranged side by side from the upper part, four groups of fin heat pipes are arranged side by side from the lower part, the distance between the adjacent fin heat pipes is more than 100mm, and the arrangement mode of the fin heat pipes is favorable for the flow and heat exchange of hot air;
preferably, in order to facilitate ash removal and maintenance of the fire box, an ash removal door is mounted on the fire box, and dust in the fire box can be removed by opening the ash removal door; the heat exchanger 2 has 18 groups of fin heat pipes in total according to the arrangement mode of the fin heat pipes, so the heat exchanger 2 has the advantages of large heat exchange area and high heat exchange efficiency;
the furnace body 3 comprises a settling tank, a combustion device frame and an ash removal port; a fire baffle plate is arranged in the settling tank, so that the flue gas in the furnace body 3 impacts the fire baffle plate to achieve the dust falling effect when passing through the settling tank; the material of the furnace top is 09CuPCrNi, and the thickness is 5 mm; 09CuPCrNi is weathering steel, is widely used for outdoor steel such as chimney railway engineering and the like of container power plants, and is a low alloy steel series with low price and high quality between common steel and stainless steel; the weathering steel is made of plain carbon steel with a small amount of corrosion-resistant elements such as copper, nickel and the like, and has the characteristics of rust resistance, corrosion resistance, long service life, thinning, consumption reduction, labor saving and energy saving;
a combustion device frame is arranged in a furnace body 3 and is used for bearing biomass granular fuel, the combustion device frame is connected with a combustor 4, and in addition, the bottom of the furnace body 3 is provided with an ash cleaning port for removing dust in the furnace body 3;
the combustion machine 4, the combustion machine 4 includes the hopper, combustion-supporting device, ignition system, burner; the volume of the hopper is more than or equal to 0.2m3The amount of loaded biomass particles is large, and fuel is not required to be added frequently, so that the labor intensity is reduced; the hopper is connected with the combustion chamber in an auger feeding mode, fuel enters the combustion chamber through auger feeding and is ignited by the ignition device, the combustion supporting device enables the fuel to be fully combusted, the feeding speed can be controlled by controlling the auger, and the firepower is controlled by controlling the combustion supporting air quantity, so that the combustor 4 has the advantage of high automation degree;
preferably, the ignition device comprises an igniter nozzle with an igniter, a plurality of nozzles surrounding the igniter nozzle without the igniter and a plurality of air inlet holes surrounding the nozzle area, the nozzles and the igniter nozzle being connected to the oil line and the air line; the utility model adopts the multipoint atomizing burner, thus improving the efficiency of the biomass particle combustion;
the combustion-supporting device adopts a combustion-supporting fan mode, and has the advantages of simple structure and low manufacturing cost.
The working principle of the utility model is as follows: the fuel enters the combustion chamber through the feeding of the packing auger and is ignited by the ignition device, the combustion supporting device enables the fuel to be fully combusted, the feeding speed can be controlled by controlling the packing auger, and the firepower can be controlled by controlling the combustion supporting air quantity; the heat generated during combustion is transferred through the heat exchanger 2 to improve the heat source of the flue-cured tobacco, and the generated smoke is discharged from the chimney 1.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. Biomass particle hot-blast furnace, its characterized in that, including heat exchanger (2), heat exchanger (2) are connected with furnace body (3) to be located the top of furnace body (3), heat exchanger (2) set up two sets ofly from top to bottom, and heat exchanger (2) are including fire case and fin heat pipe, and the fin heat pipe is installed in the fire case, and the distance between the adjacent fin heat pipe is greater than 100mm, and the fin heat pipe sets up five groups side by side according to the top, and the below sets up the mode of four groups side by side and arranges.
2. The biomass particle hot blast stove according to claim 1, further comprising a chimney (1), wherein the chimney (1) is installed at a smoke exhaust port of the stove body (3) and is composed of a vertical chimney and a transverse chimney to form an L-shaped structure.
3. The biomass pellet hot blast stove according to claim 1, characterized in that a total of 18 groups of finned heat pipes are arranged in the heat exchanger (2).
4. The biomass particle hot blast stove according to claim 1, further comprising a stove body (3), wherein a fire damper is arranged in the settling tank of the stove body (3).
5. The biomass pellet stove according to claim 4, characterized in that the thickness of the roof of the furnace body (3) is 5 mm.
6. The biomass particle hot blast stove according to claim 4, characterized in that a combustion device frame for bearing biomass particle fuel is arranged in the stove body (3), and the combustion device frame is connected with the burner (4).
7. The biomass particle hot blast stove according to claim 6, characterized in that the hopper volume of the burner (4) is not less than 0.2m3And the hopper is connected with the combustion chamber in a screw feeding mode.
8. The hot blast stove for biomass particles according to claim 6, characterized in that the burner (4) is further provided with an ignition device and a combustion-supporting device, the ignition device comprising an igniter nozzle, a plurality of nozzles surrounding the igniter nozzle and a plurality of air inlet openings surrounding the nozzle area.
9. The biomass pellet stove of claim 8, wherein the combustion supporting means is a combustion fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121929330.0U CN215892427U (en) | 2021-08-17 | 2021-08-17 | Biomass particle hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121929330.0U CN215892427U (en) | 2021-08-17 | 2021-08-17 | Biomass particle hot blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215892427U true CN215892427U (en) | 2022-02-22 |
Family
ID=80563602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121929330.0U Active CN215892427U (en) | 2021-08-17 | 2021-08-17 | Biomass particle hot blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215892427U (en) |
-
2021
- 2021-08-17 CN CN202121929330.0U patent/CN215892427U/en active Active
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