CN219531211U - Combustion chamber of flue-cured tobacco hot-blast stove - Google Patents
Combustion chamber of flue-cured tobacco hot-blast stove Download PDFInfo
- Publication number
- CN219531211U CN219531211U CN202320822899.XU CN202320822899U CN219531211U CN 219531211 U CN219531211 U CN 219531211U CN 202320822899 U CN202320822899 U CN 202320822899U CN 219531211 U CN219531211 U CN 219531211U
- Authority
- CN
- China
- Prior art keywords
- flue
- combustion
- combustion chamber
- cured tobacco
- furnace body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model provides a combustion chamber of a flue-cured tobacco hot-blast stove, which comprises a stove body, a bearing table, a combustion table and filling blocks, wherein a smoke outlet is formed in the top of the stove body; the supporting table is arranged in the furnace body, a through hole is formed in the supporting table, and a coaming arranged at the periphery of the through hole is further arranged at the top of the supporting table; the combustion table is a conical member with the inner diameter gradually decreasing from top to bottom, and penetrates through the through hole and is connected with the bearing table; the filling block is arranged between the coaming and the inner wall of the furnace body, the top surface of the filling block gradually inclines downwards from outside to inside, and the inner periphery of the top surface of the filling block is equal to the top surface of the coaming in height. The fuel in the combustion chamber of the flue-cured tobacco hot blast stove provided by the utility model can be continuously piled up at the bottom of the combustion table, so that the fuel is fully combusted, the phenomenon that the fuel piled up at the corner position of the side wall of the stove body cannot be combusted is prevented, the full utilization of the fuel is ensured, and the heat exchange efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of boilers, and particularly relates to a combustion chamber of a flue-cured tobacco hot blast stove.
Background
Hot blast stoves, which are thermodynamic machines, have become an upgrade product of both electric and traditional steam powered heat sources in many industries. The hot blast stove has various kinds and full series, and is divided into hand burning and machine burning in a coal feeding mode, and is divided into coal, oil, gas stove and the like in a fuel type.
In the use process of the traditional hot blast stove, fuel needs to be added into a combustion chamber, and because a fire grate in the combustion chamber is plate-shaped, large-area fuel cannot be concentrated, full combustion of the fuel cannot be ensured, a large amount of black smoke generated by carbonization of the fuel due to insufficient combustion in small fire cannot be secondarily combusted, the smoke is seriously out of standard, and the emission does not reach the standard.
Disclosure of Invention
The embodiment of the utility model provides a combustion chamber of a flue-cured tobacco hot-blast stove, which aims to solve the technical problems that the combustion chamber is not thorough in fuel combustion, the cost is easy to increase and the smoke emission of the hot-blast stove does not reach the standard when the conventional hot-blast stove is used.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a flue-cured tobacco hot-blast furnace combustion chamber, include:
the top of the furnace body is provided with a smoke outlet;
the supporting table is arranged in the furnace body, a through hole is formed in the supporting table, and a coaming arranged at the periphery of the through hole is further arranged at the top of the supporting table;
the combustion table is a conical member with the inner diameter gradually reduced from top to bottom, and penetrates through the through hole and is connected with the bearing table; and
the filling block is arranged between the coaming and the inner wall of the furnace body, the top surface of the filling block gradually inclines downwards from outside to inside, and the inner periphery of the top surface of the filling block is equal to the top surface of the coaming in height.
In one possible implementation manner, a blower is arranged on the periphery of the furnace body, an air outlet of the blower is positioned at the bottom of the combustion table, and ventilation holes are formed in the combustion table.
In one possible implementation manner, a space located at the bottom of the combustion table in the furnace body forms a blast chamber, a slag discharging pipeline communicated with the blast chamber is arranged at the periphery of the furnace body, a slag discharging door is arranged at one end, deviating from the furnace body, of the slag discharging pipeline, and the air blower is arranged at the slag discharging door.
In one possible implementation manner, an igniter is further arranged on the furnace body, and a ventilation pipe communicated with an air outlet of the blower is arranged on the igniter.
In one possible implementation manner, a feed opening is arranged at the bottom of the combustion table, and a plugboard which is in sliding fit with the feed opening is further arranged on the combustion table.
In one possible implementation manner, the furnace body is provided with a feed inlet, and the flue-cured tobacco hot blast stove combustion chamber further comprises a feed component, wherein the feed component comprises:
a storage bin;
the feed pipe is connected between the feed bin and the feed inlet; and
the material guiding plate is arranged at the end part of the material feeding pipe and is positioned in the furnace body, the material guiding plate is obliquely downwards arranged, and the material discharging side is positioned above the middle part of the combustion table.
In one possible implementation, the feeding assembly further includes:
the motor is arranged at one end of the feed pipe, which is away from the furnace body; and
the screw feeding rod is connected with the output shaft of the motor and is coaxially arranged in the feeding pipe.
In one possible implementation, the furnace body is further provided with a fire door.
In one possible implementation manner, the flue-cured tobacco hot blast stove combustion chamber further comprises a heat exchanger arranged at the top of the stove body, and a smoke passing channel communicated with the smoke outlet is arranged on the heat exchanger.
In one possible implementation, the inner diameter of the coaming is larger than the diameter of the through hole, and a convex ring is formed on the periphery of the top of the combustion table in a protruding manner, and the convex ring is lapped on the bearing table.
Compared with the prior art, the embodiment of the utility model has the advantages that when the device is used, the device is connected with the hot blast stove, fuel is put into the stove body, one part of the fuel falls on the combustion table in the process of entering the stove body, the other part of the fuel falls on the filling block, and the fuel falling on the top surface of the filling block slides into the combustion table along with the inclination trend of the fuel due to the gradual downward inclination of the part of the top surface of the filling block, which is close to the coaming, and then the fuel is ignited and burned for use. According to the flue-cured tobacco hot blast stove combustion chamber, the filling blocks with the top surfaces inclined downwards are arranged, so that fuels can be ensured to fall into the combustion table; because the combustion table is conical, and the inner diameter is gradually reduced from top to bottom, the inner wall of the combustion table can enable fuel to be continuously piled up at the bottom of the combustion table, so that the full combustion of the fuel is ensured, the phenomenon that the fuel cannot be burnt at the corner position piled up on the side wall of the furnace body is prevented, the full utilization of the fuel is ensured, and the heat exchange efficiency and the burnout rate of the fuel are improved.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram (front view) of a combustion chamber of a flue-cured tobacco hot blast stove according to an embodiment of the present utility model;
fig. 2 is a schematic left-view structural diagram (omitting a bin) of a combustion chamber of a flue-cured tobacco hot blast stove provided by the embodiment of the utility model.
Reference numerals illustrate:
10-a furnace body; 11-a blast chamber; 12-a slag discharging pipeline; 13-slag discharging door;
20-a bearing table; 21-a through hole; 22-coaming;
30-a combustion table; 31-plugboards; 32-vent holes;
40-filling blocks;
50-blower;
60-igniter; 61-air distribution pipe;
70-a feed assembly; 71-bin; 72-feeding pipe; 73-a material guide plate; 74-motor; 75-screw feed bar;
80-fire door;
a 90-heat exchanger; 91-passing the cigarette channel; 92-heat exchange finned tubes.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 2, a combustion chamber of a flue-cured tobacco hot blast stove provided by the utility model will now be described. The combustion chamber of the flue-cured tobacco hot blast stove comprises a stove body 10, a bearing table 20, a combustion table 30 and filling blocks 40, wherein a smoke outlet is formed in the top of the stove body 10; the bearing table 20 is arranged in the furnace body 10, a through hole 21 is formed in the bearing table 20, and a coaming 22 positioned at the periphery of the through hole 21 is further arranged at the top of the bearing table 20; the combustion table 30 is a conical member with the inner diameter gradually decreasing from top to bottom, and the combustion table 30 penetrates through the through hole 21 and is connected with the support table 20; the filling block 40 is arranged between the coaming 22 and the inner wall of the furnace body 10, the top surface of the filling block 40 gradually inclines downwards from outside to inside, and the inner circumference of the top surface of the filling block 40 is equal to the height of the top surface of the coaming 22.
The filler block 40 is formed by sealing and casting a refractory material, and ensures that the wind of the blast chamber 11 is concentrated and blown through the through-hole of the combustion table 30.
Compared with the prior art, the flue-cured tobacco hot blast furnace combustion chamber provided by the embodiment is connected with the hot blast furnace when in use, fuel is put into the furnace body 10, the fuel falls on the combustion table 30 in the process of entering the furnace body 10, and the tiny part falls on the filling block 40, and as the part of the top surface of the filling block 40, which is close to the coaming 22, gradually inclines downwards, the fuel falling on the top surface of the filling block 40 slides into the combustion table 30 along with the inclination trend of the fuel, and then the fuel is ignited for use. The flue-cured tobacco hot blast stove combustion chamber can ensure that fuel falls into the combustion table 30 by arranging the filling blocks 40 with the top surfaces inclined downwards; because the combustion table 30 is conical, and the inner diameter is gradually reduced from top to bottom, the inner wall of the combustion table 30 can enable fuel to be continuously piled up at the bottom of the combustion table 30, so that the full combustion of the fuel is ensured, the phenomenon that the fuel cannot be burnt at the corner position piled up on the side wall of the furnace body 10 is prevented, the full utilization of the fuel is ensured, and the heat exchange efficiency and the burnout rate of the fuel are improved.
In some embodiments, a modified embodiment of the combustion chamber of the flue-cured hot air stove may adopt a structure as shown in fig. 1 to 2. Referring to fig. 1 to 2, a blower 50 is provided at the outer circumference of the furnace body 10, an air outlet of the blower 50 is positioned at the bottom of the combustion table 30, and ventilation holes 32 are provided in the combustion table 30. Through setting up air-blower 50, in the in-process of burning, accessible remote control or computer etc. control air-blower 50's switch, the in-process of blowing can promote the fuel in the burning platform 30 fully to blow to furnace body 10 inside after the air-blower 50 opens, can also adjust the wind speed of air-blower 50 according to different time quantum or user demand.
In some embodiments, a modified embodiment of the furnace body 10 may be configured as shown in fig. 1. Referring to fig. 1, a space in a furnace body 10 at the bottom of a combustion table 30 forms a blast chamber 11, a slag discharging pipe 12 communicated with the blast chamber 11 is arranged at the periphery of the furnace body 10, a slag discharging door 13 is arranged at one end of the slag discharging pipe 12 away from the furnace body 10, and a blower 50 is arranged at the slag discharging door 13. When one end of combustion is performed, ash on the combustion table 30 falls to the bottom, and the ash inside the combustion table can be cleaned in time by opening the slag discharging door 13, so that the influence of ash accumulation on air circulation and further the combustion effect is prevented; the blower 50 is mounted on the slag door 13, and when the slag door 13 is opened, the blower 50 is detached, so that the blower 50 is prevented from being started by mistake during ash removal.
In some embodiments, a modified embodiment of the furnace body 10 may adopt the structure shown in fig. 1 to 2. Referring to fig. 1 to 2, an igniter 60 is further provided on the furnace body 10, and a ventilation pipe 61 communicating with an air outlet of the blower 50 is provided on the igniter 60. The igniter 60 can replace manual ignition, so that the operation is more convenient and the safety is higher.
When the blower 50 is mounted on the slag door 13, the blower 50 is not fixedly connected to the air distribution pipe 61 because the blower 50 is required to be detached from the slag door 13, or the air distribution pipe 61 is easily broken when the blower 50 moves; the end of the air distribution pipe 61 is fixed on the furnace body 10, and when the slag discharging door 13 is installed, the air outlet of the blower 50 on the slag discharging door 13 is just butted on the air distribution pipe 61, so that the communication is realized.
In some embodiments, a modified implementation of the combustion table 30 described above may employ the structure shown in fig. 1. Referring to fig. 1, a blanking port is provided at the bottom of the combustion table 30, and a plugboard 31 slidably matched with the blanking port is further provided on the combustion table 30. After the fuel in the combustion table 30 is used for a period of time, the plugboard 31 can be opened, so that ash drops out of the combustion table 30, and the later cleaning of the ash is facilitated.
In some embodiments, a modified embodiment of the combustion chamber of the flue-cured tobacco hot blast stove may adopt a structure as shown in fig. 1. Referring to fig. 1, a furnace body 10 is provided with a feed inlet, the combustion chamber of the flue-cured tobacco hot blast stove further comprises a feed assembly 70, the feed assembly 70 comprises a feed bin 71, a feed pipe and a feed guide plate 73, and the feed pipe is connected between the feed bin 71 and the feed inlet; the material guiding plate 73 is arranged at the end part of the material feeding pipe and is positioned in the furnace body 10, the material guiding plate 73 is arranged obliquely downwards, and the blanking side is positioned above the middle part of the combustion table 30. The bin 71 with corresponding specification can be selected according to actual requirements, fuel (coal or biomass fuel) is reserved in the bin 71 in advance, when the material is required to be distributed, the bin 71 is opened, the fuel in the bin 71 passes through the feed pipe and the material guide plate 73 and finally falls on the combustion table 30 in the furnace body 10, so that the material is convenient to supplement, the labor intensity is reduced, and the labor intensity is replaced; the fuel is guided by the guide plate 73, so that the fuel can more precisely fall down to the center of the combustion table 30.
Specifically, a gate valve can be installed at the bottom of the bin 71, so that blanking is facilitated.
In some embodiments, a modified implementation of the above-described feed assembly 70 may employ the structure shown in FIG. 1. Referring to fig. 1, the feed assembly 70 further includes a motor 74 and a screw feed bar 75, the motor 74 being disposed at an end of the feed tube facing away from the furnace body 10; the screw feeding rod 75 is connected with the output shaft of the motor 74, and the screw feeding rod 75 is coaxially disposed in the feed pipe. Under the condition, when the material is required to be fed, the feed bin 71 and the motor 74 are opened, after the feed bin 71 is fed, the motor 74 is started, the screw feeding rod 75 rotates along with the output shaft of the motor 74, and the periphery of the screw feeding rod 75 is provided with helical blades, so that the fuel can be pushed to flow out of the material feeding pipe in the rotating process, and the material feeding is realized.
By arranging the screw feeding rod 75, the device is driven in an electric mode, is more flexible to use, and can be opened at fixed time according to the set degree of the use requirement, so that regular feeding is realized; when the screw feeding rod 75 rotates, all fuel in the feed pipe is pushed out of the feed pipe, so that the fuel is prevented from accumulating in the feed pipe, and the accuracy of fuel consumption addition is prevented from being influenced; the difference of the rotation number of the screw feeding rod 75 also affects the fuel feeding amount, and the fuel feeding amount is reasonably adjusted by controlling the starting time of the motor 74, so that the fuel feeding device is more flexible to use.
In some embodiments, a modified embodiment of the furnace body 10 may adopt the structure shown in fig. 1 to 2. Referring to fig. 1 to 2, the furnace body 10 is further provided with a fire door 80. The fire observation door 80 is provided with a transparent high temperature resistant plate, and the opening and closing, the wind speed and the like of the blower 50 can be timely adjusted by observing the combustion condition inside the furnace body 10 through the fire observation door 80 when in operation, and the feeding can be timely performed according to the use condition of fuel.
In some embodiments, a modified embodiment of the combustion chamber of the flue-cured hot air stove may adopt a structure as shown in fig. 1 to 2. Referring to fig. 1 to 2, the flue-cured tobacco hot blast stove combustion chamber further comprises a heat exchanger 90 arranged at the top of the stove body 10, and a smoke passage 91 communicated with the smoke outlet is further arranged on the heat exchanger 90. The flue gas at the top of the furnace body 10 flows out from the flue outlet and enters the heat exchanger 90, the heat exchanger 90 is back and forth for a plurality of strokes (3 strokes are shown in fig. 2) through the heat exchange finned tube 92, the wind is used as a conductor, the wind passes through the heat exchange finned tube 92 to continuously wash the heat exchange tube and the fins, the high-temperature flue gas in the heat exchange finned tube 92 is subjected to heat exchange through the tube wall and the fins, the heat in the flue gas discharging process is fully utilized, and then the heated air is used for heating through the air duct to complete heat conversion.
In some embodiments, a specific manner of matching the combustion table 30 with the support table 20 may be as shown in fig. 1. Referring to fig. 1, the inner diameter of the shroud 22 is larger than the diameter of the through hole 21, and a convex ring is formed on the top periphery of the combustion table 30 in a convex manner, and the convex ring is lapped on the support table 20. The convex ring on the combustion table 30 is directly lapped on the bearing table 20, so that the bearing table is convenient to assemble and disassemble, and the combustion table 30 can be replaced at any time, so that the bearing table is convenient to use.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A flue-cured tobacco hot-blast furnace combustion chamber, characterized by comprising:
the top of the furnace body is provided with a smoke outlet;
the supporting table is arranged in the furnace body, a through hole is formed in the supporting table, and a coaming arranged at the periphery of the through hole is further arranged at the top of the supporting table;
the combustion table is a conical member with the inner diameter gradually reduced from top to bottom, and penetrates through the through hole and is connected with the bearing table; and
the filling block is arranged between the coaming and the inner wall of the furnace body, the top surface of the filling block gradually inclines downwards from outside to inside, and the inner periphery of the top surface of the filling block is equal to the top surface of the coaming in height.
2. The flue-cured tobacco hot-blast stove combustion chamber of claim 1, wherein a blower is arranged on the periphery of the stove body, an air outlet of the blower is positioned at the bottom of the combustion table, and a vent hole is arranged on the combustion table.
3. The flue-cured tobacco hot-blast furnace combustion chamber of claim 2, wherein a space in the furnace body at the bottom of the combustion table forms a blast chamber, a slag outlet pipeline communicated with the blast chamber is arranged at the periphery of the furnace body, a slag outlet door is arranged at one end of the slag outlet pipeline, which is away from the furnace body, and the blast blower is arranged at the slag outlet door.
4. The flue-cured tobacco hot-blast stove combustion chamber of claim 2, wherein an igniter is further arranged on the stove body, and a ventilation pipe communicated with an air outlet of the blower is arranged on the igniter.
5. The flue-cured tobacco hot-blast furnace combustion chamber of claim 1, wherein a blanking port is arranged at the bottom of the combustion table, and a plugboard which is in sliding fit with the blanking port is further arranged on the combustion table.
6. The flue-cured tobacco hot-blast stove combustion chamber of claim 1, wherein a feed port is arranged on the stove body, the flue-cured tobacco hot-blast stove combustion chamber further comprises a feed assembly, and the feed assembly comprises:
a storage bin;
the feed pipe is connected between the feed bin and the feed inlet; and
the material guiding plate is arranged at the end part of the material feeding pipe and is positioned in the furnace body, the material guiding plate is obliquely downwards arranged, and the material discharging side is positioned above the middle part of the combustion table.
7. The flue-cured hot blast stove burner of claim 6, wherein said feed assembly further comprises:
the motor is arranged at one end of the feed pipe, which is away from the furnace body; and
the screw feeding rod is connected with the output shaft of the motor and is coaxially arranged in the feeding pipe.
8. The flue-cured tobacco hot-blast stove combustion chamber of claim 1, wherein the stove body is further provided with a fire viewing door.
9. The flue-cured tobacco hot blast stove combustion chamber of claim 1, further comprising a heat exchanger arranged at the top of the stove body, wherein a smoke passage communicated with the smoke outlet is arranged on the heat exchanger.
10. The flue-cured tobacco hot-blast stove combustion chamber of claim 1, wherein the inner diameter of the coaming is larger than the diameter of the through hole, a convex ring is formed on the periphery of the top of the combustion table in a protruding mode, and the convex ring is lapped on the bearing table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822899.XU CN219531211U (en) | 2023-04-13 | 2023-04-13 | Combustion chamber of flue-cured tobacco hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822899.XU CN219531211U (en) | 2023-04-13 | 2023-04-13 | Combustion chamber of flue-cured tobacco hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219531211U true CN219531211U (en) | 2023-08-15 |
Family
ID=87626474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320822899.XU Active CN219531211U (en) | 2023-04-13 | 2023-04-13 | Combustion chamber of flue-cured tobacco hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219531211U (en) |
-
2023
- 2023-04-13 CN CN202320822899.XU patent/CN219531211U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201262420Y (en) | Horizontal stalk boiler | |
| CN205002375U (en) | Direct burming biomass hot -blast furnace of stokehold feeding | |
| CN205383593U (en) | Biomass burning machine | |
| CN102287920B (en) | Straw granule boiler | |
| CN102345862B (en) | Biomass particle combustion apparatus and combustion method for same | |
| CN205002372U (en) | Direct burming biomass hot -blast furnace of long -range feeding | |
| CN201724255U (en) | Combustion furnace using biomass energy particle as fuel | |
| CN201382407Y (en) | Biomass combustor | |
| CN206459178U (en) | A kind of biomass fuel boiler device | |
| CN211502884U (en) | Heating stove | |
| CN205245144U (en) | Biomass fuel heating boiler that burns | |
| CN204829879U (en) | Burner | |
| CN201724256U (en) | Environment-friendly biomass energy particle burning furnace with easy discharging of fuel black dirt | |
| CN219531211U (en) | Combustion chamber of flue-cured tobacco hot-blast stove | |
| CN208794716U (en) | A kind of normal-pressure hot-water boiler of biomass granule fuel gasification, and combustion | |
| CN201262390Y (en) | Stalk gasification combustor | |
| WO2022147907A1 (en) | Novel wood pellet furnace firebox | |
| CN203758004U (en) | Energy-saving and environment-friendly type anti-burn boiler | |
| CN104235830A (en) | Intelligent boiler for burning biomass particles | |
| CN204678386U (en) | Biomass fuel boiler | |
| RU183190U1 (en) | LONG-BURNING WATER-SOLID FUEL BOILER | |
| CN105387454B (en) | A kind of multifunctional combination burning boiler | |
| CN103759415A (en) | Energy-saving environment-friendly type back burning boiler | |
| CN210128369U (en) | Heating stove | |
| CN110173683B (en) | Biomass particle fuel ellipsoidal combustion gasification integrated furnace for flue-cured tobacco |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |