CN112273403A - Multifunctional biomass fuel baking oven - Google Patents

Multifunctional biomass fuel baking oven Download PDF

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Publication number
CN112273403A
CN112273403A CN202011397149.XA CN202011397149A CN112273403A CN 112273403 A CN112273403 A CN 112273403A CN 202011397149 A CN202011397149 A CN 202011397149A CN 112273403 A CN112273403 A CN 112273403A
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CN
China
Prior art keywords
smoke
cavity
air
pipe
steering
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Granted
Application number
CN202011397149.XA
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Chinese (zh)
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CN112273403B (en
Inventor
谭小毛
谭玉和
谭捷
谭剑波
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Chenzhou Hongji Mingrui Technology Co ltd
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Chenzhou Hongji Mingrui Technology Co ltd
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Priority to CN202011397149.XA priority Critical patent/CN112273403B/en
Publication of CN112273403A publication Critical patent/CN112273403A/en
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Publication of CN112273403B publication Critical patent/CN112273403B/en
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    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B7/00—Baking plants
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B1/00—Bakers' ovens
    • A21B1/02—Bakers' ovens characterised by the heating arrangements
    • A21B1/33—Ovens heated directly by combustion products
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/10—General methods of cooking foods, e.g. by roasting or frying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • Y02A40/924—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation using renewable energies
    • Y02A40/928—Cooking stoves using biomass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking

Abstract

The invention discloses a multifunctional biomass fuel baking oven, which comprises a biomass burning oven and a baking room; the biomass combustion furnace comprises a combustion chamber, a hot air chamber and a discharge flue; the upper part of the combustion cavity is provided with a smoke outlet; the upper part of the hot air cavity is provided with a communicating port communicated with the smoke outlet at the upper part of the combustion cavity; the smoke exhaust channel comprises a first steering cavity, a second steering cavity, a third steering cavity, a fourth steering cavity and a smoke pipe group; the smoke pipe group comprises a smoke pipe group, a smoke pipe group and a smoke pipe group; two ends of the smoke tubes of the smoke tube group are respectively arranged in the first steering cavity and the second steering cavity; two ends of the smoke pipes of the smoke pipe group are respectively arranged in the second steering cavity and the third steering cavity; two ends of the smoke tubes of the three groups of smoke tubes are respectively arranged in the third steering cavity and the fourth steering cavity; the bakery is internally provided with a wind swinging device; an air inlet at the head end of the baking room is communicated with an air outlet at the rear end of the hot air cavity through a hot air pipe and a draught fan.

Description

Multifunctional biomass fuel baking oven
Technical Field
The invention relates to baking equipment, in particular to a multifunctional biomass fuel baking oven.
Background
The baking device used at present generally adopts one set of equipment for drying cured food and another set of equipment for smoking cured food when cured food and dry food are manufactured, and has single function, thus leading to high production cost, resource waste and inconvenient use.
Disclosure of Invention
The invention aims to provide a multifunctional biomass fuel baking oven which is convenient to use and can mutually convert cured food dried wax and dried food drying.
In order to solve the technical problem, the multifunctional biomass fuel baking oven comprises a biomass combustion furnace and a baking room; the biomass combustion furnace comprises a combustion chamber, a hot air chamber and a discharge flue; the combustion cavity is provided with a biomass fuel inlet; a furnace bridge is arranged below the combustion chamber, and an ash accumulation chamber is arranged at the bottom of the furnace bridge; the upper part of the combustion cavity is provided with a smoke outlet; the front end of the hot air cavity is connected and isolated with the combustion cavity; the upper part of the hot air cavity is provided with a communicating port communicated with the smoke outlet at the upper part of the combustion cavity; the communication port is communicated with the combustion chamber through a control valve; the front end and the rear end of the hot air cavity are respectively provided with an air supplementing opening and an air outlet; the smoke exhaust channel comprises a first steering cavity, a second steering cavity, a third steering cavity, a fourth steering cavity and a smoke pipe group; the first steering cavity and the third steering cavity are sequentially arranged at the top of the hot air cavity and are isolated from the hot air cavity; the first steering cavity is communicated with a smoke outlet at the upper part of the combustion cavity through a control valve; the second steering cavity and the fourth steering cavity are sequentially arranged at the bottom of the hot air cavity and are isolated from the hot air cavity; the fourth steering cavity is provided with a smoke outlet; the smoke pipe group consists of smoke pipes which are vertically and uniformly arranged in the hot air cavity, and two ends of the smoke pipes respectively extend out of the hot air cavity; the smoke pipe group comprises a smoke pipe group, a smoke pipe group and a smoke pipe group; two ends of the smoke tubes of the smoke tube group are respectively arranged in the first steering cavity and the second steering cavity; two ends of the smoke pipes of the smoke pipe group are respectively arranged in the second steering cavity and the third steering cavity; two ends of the smoke tubes of the three groups of smoke tubes are respectively arranged in the third steering cavity and the fourth steering cavity; the fourth steering cavity is provided with an outlet and is discharged through an induced draft fan, so that the smoke and heat energy of the combustion cavity sequentially enter the smoke tube group, the second steering cavity, the smoke tube group, the third steering cavity, the smoke tube group and the fourth steering cavity along the first steering cavity and are discharged through the induced draft fan; the bakery is internally provided with a wind swinging device; the head end of the baking room is provided with an air inlet, and the tail end of the baking room is provided with an air outlet; an air inlet at the head end of the baking room is communicated with an air outlet at the rear end of the hot air cavity through a hot air pipe and a draught fan; the air swinging device comprises a fixed frame, an air swinging plate, a crank, an air swinging rod, a crank shaft and a motor; the fixed frame is fixedly connected with the air inlet wall at the head end of the baking room; the fixed shafts at the two ends of the air swinging plate are respectively connected with the two sides of the fixed frame through bearings; the crank is arranged on one side of the fixed frame, one end of the crank is fixedly connected with the fixed shaft of the wind swinging plate, and the other end of the crank is fixedly connected with the wind swinging rod; the air swing rod is vertical to the horizontal plane; one end of the crankshaft is fixedly connected with the air swinging rod, and the other end of the crankshaft is in transmission connection with the motor through the gearbox, so that the crankshaft enables the air swinging rod to move to link with the air swinging plate to rotate through the transmission of the motor.
The first steering cavity is provided with an air supplementing pipe, an inlet of the air supplementing pipe is communicated with the outside of the first steering cavity, and the air supplementing pipe is controlled to be opened or closed through a control valve.
The tops of the first steering cavity and the third steering cavity are detachably sealed through sealing plates.
The dust removing device comprises a dust removing rod and a scraper; the length of the ash removal rod is greater than that of the smoke tube, and the tail end of the ash removal rod is provided with a handle; the shape of the scraper is matched with the shape of the cross section of the smoke tube, and the scraper is fixed at the head end of the ash removal rod, so that the scraper can be arranged in the smoke tube to scrape the inner wall of the smoke tube through the ash removal rod.
Also comprises a smoke inlet pipe; the smoke inlet pipe is arranged at the top part in the combustion chamber, and the inlet and the outlet of the smoke inlet pipe are respectively communicated with the communicating port of the hot air chamber and the first steering chamber.
The head end and the tail end of the baking room are respectively provided with a smoke inlet and a discharge port; and the smoke inlet of the head end of the baking room is communicated with the smoke outlet of the fourth steering cavity through a smoke conveying pipe and a draught fan.
The terminal air exit of bakery is equipped with the exhaust pipe, the entry and the air exit intercommunication of exhaust pipe, export pass through control flap respectively with the bakery outside, the air supplement mouth intercommunication of hot-blast chamber front end.
The smoke exhaust device also comprises a guide pipe, wherein two ends of the guide pipe are respectively communicated with the smoke conveying pipe and the hot air pipe through control valves; the outlet ends of the smoke conveying pipe and the hot air pipe are respectively provided with a control valve.
The side wall of the combustion cavity is also provided with an opening; the opening can be opened and closed by a sealing door.
Also comprises a smoke exhaust pipe; one end of the smoke exhaust pipe is communicated with a smoke exhaust port of the fourth steering cavity through a control valve and a draught fan, and the other end of the smoke exhaust pipe is communicated with a smoke dust treatment device.
By adopting the structure of the invention, the biomass combustion furnace comprises the biomass combustion furnace and the baking room, and the biomass combustion furnace comprises the combustion cavity, the hot air cavity and the smoke exhaust; the head end of the baking room is provided with an air inlet, the tail end of the baking room is provided with an air outlet, and the upper part of the combustion cavity is provided with a smoke outlet; the front end of the hot air cavity is connected and isolated with the combustion cavity; the upper part of the hot air cavity is provided with a communicating port communicated with the smoke outlet at the upper part of the combustion cavity; the communication port is communicated with the combustion chamber through a control valve; the front end and the rear end of the hot air cavity are respectively provided with an air supplementing opening and an air outlet; the smoke exhaust channel comprises a first steering cavity, a second steering cavity, a third steering cavity, a fourth steering cavity and a smoke pipe group; the first steering cavity and the third steering cavity are sequentially arranged at the top of the hot air cavity and are isolated from the hot air cavity; the first steering cavity is communicated with a smoke outlet at the upper part of the combustion cavity through a control valve; an air inlet at the head end of the baking room is communicated with an air outlet at the rear end of the hot air cavity through a hot air pipe and an induced draft fan, when the baking room is used, a communication port control valve for communicating the upper part of the hot air cavity with an exhaust port at the upper part of the combustion cavity is closed, a control valve for communicating the first steering cavity with the exhaust port at the upper part of the combustion cavity is opened, and hot air in the hot air cavity enters the baking room through the hot air pipe and the induced draft fan to dry the dried food; the smoke of the combustion cavity sequentially enters the smoke tube group, the second steering cavity, the smoke tube group, the third steering cavity, the smoke tube group and the fourth steering cavity along the first steering cavity and is discharged through the induced draft fan. When cured food is required to be cured, the control valve of the communicating port communicated with the smoke outlet at the upper part of the combustion cavity is opened, the control valve of the smoke outlet at the upper part of the first steering cavity and the combustion cavity is closed, smoke in the combustion cavity enters the cured food cured in the baking room through the hot air cavity, the cured food cured and the dried food can be flexibly and mutually converted, resources are saved, the production cost and the use cost are low, and the use is convenient. Secondly, because the discharge flue includes first turn to the chamber, the second turns to chamber, third and turns to chamber, fourth and flue pipe group, has prolonged the flue gas and has got into the route between smoking, and the organic matter gasification time in the flue gas is sufficient, has guaranteed the flue gas quality, guarantees the quality of cured food promptly, and it is more convenient to use. Thirdly, owing to be equipped with the pendulum wind device in the bakery, the hot-blast more even of each position in the bakery, by the more even quilt of drying material or food promptly, it is better to dry out material or food quality, and the quality is higher, and it is more convenient to use.
Because the first steering cavity is provided with the air supplementing pipe, the inlet of the air supplementing pipe is communicated with the outside of the first steering cavity, and the air supplementing pipe is controlled to be opened or closed through the control valve, so that the operation is simpler and more convenient when the hot air cavity and the discharge flue are mutually replaced.
Because the tops of the first steering cavity and the third steering cavity are detachably sealed through the sealing plates respectively, the smoke discharge flue is simpler and more convenient to clean.
The dust remover comprises a dust removing rod and a scraper; the length of the ash removal rod is greater than that of the smoke tube, and the tail end of the ash removal rod is provided with a handle; the shape of scraper blade and the shape of tobacco pipe cross section suit, and this scraper blade is fixed in deashing pole head end to make can send the scraper blade into the tobacco pipe through the deashing pole and scrape the tobacco pipe inner wall, during the use, arrange the scraper blade in the tobacco pipe and promote the deashing pole, the dust or the carbon deposit of scraping the tobacco pipe inner wall are scraped to the scraper blade border, and the operation is simpler, and it is more convenient to use.
Because the smoke inlet pipe is also included; the smoke inlet pipe is arranged at the top of the combustion chamber, and the inlet of the smoke inlet pipe faces downwards, and the outlet of the smoke inlet pipe is respectively communicated with the communicating port of the hot air chamber and the first steering chamber, so that the hot air chamber and the discharge flue can be better replaced with each other, and the use is more convenient.
The head end and the tail end of the baking room are respectively provided with a smoke inlet and a discharge port; the smoke inlet of the head end of the baking room is communicated with the smoke outlet of the fourth steering cavity through a smoke conveying pipe and an induced draft fan, so that cured food cured and dried food drying are flexibly and mutually converted better and more conveniently.
Because the terminal air exit of bakery is equipped with the exhaust pipe, the entry and the air exit intercommunication of exhaust pipe, export pass through control flap respectively with the bakery outside, the mend wind gap intercommunication of hot-blast chamber front end, when using, can be selective with the bakery hot-blast introduction hot-blast chamber form the circulation, heat utilization rate is high, has practiced thrift biomass fuel resource, and it is more convenient to use.
Because the smoke exhaust device also comprises a guide pipe, two ends of the guide pipe are respectively communicated with the smoke inlet pipe and the hot air pipe through control valves; the outlet ends of the smoke inlet pipe and the hot air pipe are respectively provided with a control valve, so that the hot air cavity and the exhaust flue can be better replaced with each other, and the use is more convenient.
The side wall of the combustion cavity is also provided with an opening; this opening can be opened through sealing door and seal to the messenger can better be adapted to the biomass fuel of various models, and accommodation is wider, and it is more convenient to use.
Because the smoke exhaust pipe is also included; the flue gas pipe one end with through control flap, draught fan and fourth turn to exhaust port intercommunication, the other end and smoke and dust processing apparatus intercommunication that the chamber, when the adoption has the fuel of pollution, can carry out the flue gas with flue gas and smoke and dust processing apparatus intercommunication and handle to accord with sanitation emission standard, it is more convenient to use, operate simpler.
Drawings
FIG. 1 is a schematic view of the structure of a biomass burning furnace according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural view of a bakery of the invention;
FIG. 4 is a schematic structural view of the wind-swinging device of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 taken along line B-B;
FIG. 6 is a schematic structural view of the ash removal device of the present invention;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic view of the connection of the guiding tube, the smoke tube and the hot air tube of the present invention.
Detailed Description
The invention is described in detail below with reference to the following figures and detailed description:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, and fig. 8, the biomass fuel baking apparatus of the present invention includes a biomass burner and a baking room 21. The biomass combustion furnace comprises a combustion chamber 14, a hot air chamber 11 and a discharge flue. The combustion chamber 14 is provided with a biomass fuel inlet 15. A furnace bridge 13 is arranged below the combustion chamber 14, and an ash accumulation chamber is arranged at the bottom of the furnace bridge 13. The upper part of the combustion chamber 14 is provided with a smoke outlet. The front end of the hot air cavity 11 is connected and isolated with the combustion cavity 14. The upper part of the hot air cavity 11 is provided with a communicating port communicated with the smoke outlet at the upper part of the combustion cavity 14. The communication port communicates with the combustion chamber 14 through a control valve. The front end and the rear end of the hot air cavity 11 are respectively provided with an air supply port 19 and an air outlet. The discharge flue comprises a first steering cavity 2, a second steering cavity 12, a third steering cavity 3, a fourth steering cavity 10 and a smoke tube group. The first turning cavity 2 and the third turning cavity 3 are sequentially arranged at the top of the hot air cavity 11 and are isolated from the hot air cavity 11. The first steering cavity 2 is communicated with an exhaust port at the upper part of the combustion cavity 14 through a control valve. The second turning cavity 12 and the fourth turning cavity 10 are sequentially arranged at the bottom of the hot air cavity 11 and are isolated from the hot air cavity 11. The fourth turning cavity 10 is provided with a smoke outlet. The smoke pipe group is composed of smoke pipes 4, the smoke pipes 4 are vertically and uniformly arranged in the hot air cavity 11, and two ends of each smoke pipe respectively extend out of the hot air cavity 11. The smoke tube set comprises a smoke tube set, a smoke tube set and a smoke tube set. Two ends of a group of smoke pipes 4 are respectively arranged in the first steering cavity 2 and the second steering cavity 12; two ends of the smoke pipes of the smoke pipe group are respectively arranged in the second steering cavity 12 and the third steering cavity 3. Two ends of the smoke pipes 4 of the three groups of smoke pipes are respectively arranged in the third steering cavity 3 and the fourth steering cavity 10, so that smoke and heat energy of the combustion cavity 14 sequentially enter the one group of smoke pipes, the second steering cavity 12, the two groups of smoke pipes, the third steering cavity 3, the three groups of smoke pipes and the fourth steering cavity 10 along the first steering cavity 2. The flue can set up the fifth chamber 5 that turns to, the sixth chamber 9 that turns to as required to increase the length of flue, increase the time that the flue gas stayed in the flue promptly, be used for improving the quality of cured food. A swinging wind device 23 is arranged in the baking room 21. The head end of the baking room 21 is provided with an air inlet 22, and the tail end is provided with an air outlet 24. An air inlet 22 at the head end of the baking room 21 is communicated with an air outlet at the rear end of the hot air cavity 11 through a hot air pipe 7 and a draught fan. For the purpose of dehumidifying cured food or the preliminary stage of drying dried food, the baking room may be provided with a dehumidifying port 25 which is controlled by a control valve. The wind swinging device 23 comprises a fixed frame 30, a wind swinging plate 31, a crank 29, a wind swinging rod 27, a crank shaft 28 and a motor. The fixed frame 30 is fixedly connected with the wall of the air inlet 22 at the head end of the baking room 21. Fixed shafts are arranged at two ends of the air swinging plate 31, and the fixed shafts at two ends of the air swinging plate 31 are respectively connected with two sides of the fixed frame 30 through bearings. The crank 29 is disposed at one side of the fixing frame 30, and one end of the crank is fixedly connected with the fixing shaft of the wind swinging plate 31, and the other end of the crank is fixedly connected with the wind swinging rod 27. The wind-swing rod 27 is vertical to the horizontal plane. One end of the crankshaft 28 is fixedly connected with the air swing rod 27, and the other end of the crankshaft is in transmission connection with the motor through a gearbox, so that the crankshaft 28 enables the air swing rod 27 to move through the transmission of the motor to be linked with the air swing plate 31 to rotate. The hot-blast more even of each position in the bakery, by the even quilt of drying material or food promptly, it is better to dry out material or food quality, and the quality is higher, and it is more convenient to use.
In order to make the operation simpler and more convenient when the hot air cavity and the discharge flue are mutually replaced, the first diversion cavity 2 is provided with an air supplementing pipe, and the inlet of the air supplementing pipe is communicated with the outside of the first diversion cavity 2. The air supply pipe is controlled to be opened or closed by a control valve.
In order to clean the discharge flue more simply and conveniently, the tops of the first steering cavity 2 and the third steering cavity 3 are detachably sealed through sealing plates 6 respectively.
For better cleaning the discharge flue, the device also comprises a dust cleaning device, and the dust cleaning device comprises a dust cleaning rod 33 and a scraper 32. The length of the ash removing rod 33 is longer than that of the smoke tube 4, and the tail end is provided with a handle. The shape of the scraper 32 is adapted to the shape of the cross section of the smoke tube 4, and the scraper 32 is fixed at the head end of the ash removal rod 33, so that the scraper 32 can be placed in the smoke tube 4 to scrape the inner wall of the smoke tube 4 through the ash removal rod 33. When the ash removing device is used, the scraper is arranged in the smoke tube and pushes the ash removing rod, and the edge of the scraper scrapes off dust or carbon deposit on the inner wall of the smoke tube, so that the ash removing device is simpler to operate and more convenient to use.
In order to better control the smoke, the smoke inlet pipe 1 is also included. The smoke inlet pipe 1 is arranged at the top in the combustion chamber 14, and the inlet and the outlet of the smoke inlet pipe 1 are respectively communicated with the communicating port of the hot air chamber 11 and the first steering chamber 2. So that the hot air cavity and the discharge flue can be better replaced with each other, and the use is more convenient.
In order to better and more conveniently realize the flexible interconversion between the drying of cured food and the drying of dried food, the head end and the tail end of the baking room 21 are respectively provided with a smoke inlet 20 and a discharge outlet 26. The smoke inlet at the head end of the baking room 21 is communicated with the smoke outlet of the fourth steering cavity 10 through a smoke conveying pipe 8 and a draught fan.
In order to save biomass fuel resources and facilitate use, the exhaust outlet 24 at the tail end of the baking room 21 is provided with an exhaust pipe 18. The inlet of the exhaust pipe 18 is communicated with the exhaust port 24, and the outlet is respectively communicated with the air supply port 19 outside the baking room 21 and at the front end of the hot air cavity 11 through a control valve. When the hot air circulation hot air oven is used, hot air in the baking room can be selectively led into the hot air cavity to form circulation, the heat energy utilization rate is high, biomass fuel resources are saved, and the use is more convenient.
In order to better mutually replace the hot air cavity and the discharge flue, the guide pipe 34 is further included for more convenient use. Two ends of the guide pipe 34 are respectively communicated with the smoke conveying pipe 8 and the hot air pipe 7 through control valves. The outlet ends of the smoke conveying pipe 8 and the hot air pipe 7 are respectively provided with a control valve.
For wider application and more convenient use, the side wall of the combustion chamber 14 is also provided with an opening 16. The opening 16 is openable and closable by a sealing door. The side wall of the combustion cavity 14 is also provided with an opening 16, massive or strip-shaped waste wood and waste board firewood can be placed in the combustion cavity as fuel, the biomass fuel can be better adapted to various types, the application range is wider, and the use is more convenient.
In order to facilitate the use and simplify the operation, a smoke exhaust pipe 17 is also included. One end of the smoke exhaust pipe 17 is communicated with a smoke exhaust port of the fourth steering cavity 10 through a control valve and a draught fan, and the other end of the smoke exhaust pipe is communicated with a smoke dust treatment device. When the fuel with pollution is adopted, the flue gas and the smoke dust treatment device can be communicated to carry out flue gas treatment so as to meet the environmental sanitation discharge standard, the use is more convenient, and the operation is simpler.

Claims (10)

1. The utility model provides a multi-functional biomass fuel toasts stove which characterized in that: comprises a biomass combustion furnace and a baking room 21; the biomass combustion furnace comprises a combustion chamber (14), a hot air chamber (11) and a discharge flue;
the combustion cavity (14) is provided with a biomass fuel inlet (15); a furnace bridge (13) is arranged below the combustion chamber (14), and an ash accumulation chamber is arranged at the bottom of the furnace bridge (13); the upper part of the combustion cavity (14) is provided with a smoke outlet;
the front end of the hot air cavity (11) is connected and isolated with the combustion cavity (14); the upper part of the hot air cavity (11) is provided with a communicating port communicated with the smoke outlet at the upper part of the combustion cavity (14); the communication port is communicated with the combustion chamber (14) through a control valve; the front end and the rear end of the hot air cavity (11) are respectively provided with an air supply port (19) and an air outlet;
the discharge flue comprises a first steering cavity (2), a second steering cavity (12), a third steering cavity (3), a fourth steering cavity (10) and a smoke pipe set;
the first turning cavity (2) and the third turning cavity (3) are sequentially arranged at the top of the hot air cavity (11) and are isolated from the hot air cavity (11); the first steering cavity (2) is communicated with a smoke outlet at the upper part of the combustion cavity (14) through a control valve;
the second turning cavity (12) and the fourth turning cavity (10) are sequentially arranged at the bottom of the hot air cavity (11) and are isolated from the hot air cavity (11); the fourth steering cavity (10) is provided with a smoke outlet;
the smoke pipe group consists of smoke pipes (4), the smoke pipes (4) are vertically and uniformly arranged in the hot air cavity (11), and two ends of each smoke pipe respectively extend out of the hot air cavity (11); the smoke pipe group comprises a smoke pipe group, a smoke pipe group and a smoke pipe group; two ends of a group of smoke pipes (4) are respectively arranged in the first steering cavity (2) and the second steering cavity (12); two ends of the smoke pipes of the smoke pipe group are respectively arranged in the second steering cavity (12) and the third steering cavity (3); two ends of the smoke pipes (4) of the three groups of smoke pipes are respectively arranged in a third steering cavity (3) and a fourth steering cavity (10), the fourth steering cavity is provided with an outlet and is discharged through an induced draft fan, so that smoke and heat energy of the combustion cavity (14) sequentially enter the one group of smoke pipes, the second steering cavity (12), the two groups of smoke pipes, the third steering cavity (3), the three groups of smoke pipes and the fourth steering cavity (10) along the first steering cavity (2) and are discharged through the induced draft fan;
a wind swinging device (23) is arranged in the baking room; the head end of the baking room (21) is provided with an air inlet (22), and the tail end is provided with an air outlet (24); an air inlet (22) at the head end of the baking room (21) is communicated with an air outlet at the rear end of the hot air cavity (11) through a hot air pipe (7) and an induced draft fan;
the air swinging device (23) comprises a fixed frame (30), an air swinging plate (31), a crank (29), an air swinging rod (27), a crank shaft (28) and a motor;
the fixed frame (30) is fixedly connected with the wall of the air inlet (22) at the head end of the baking room (21);
fixed shafts are arranged at two ends of the air swinging plate (31), and the fixed shafts at two ends of the air swinging plate (31) are respectively connected with two sides of the fixed frame (30) through bearings;
the crank (29) is arranged on one side of the fixed frame (30), one end of the crank is fixedly connected with the fixed shaft of the air swinging plate (31), and the other end of the crank is fixedly connected with the air swinging rod (27);
the air swing rod (27) is vertical to the horizontal plane;
one end of the crankshaft (28) is fixedly connected with the air swinging rod (27), and the other end of the crankshaft is in transmission connection with the motor through a gearbox, so that the crankshaft (28) can enable the air swinging rod (27) to move through the transmission of the motor to be linked with the air swinging plate (31) to rotate.
2. The multifunctional biomass fuel baking oven of claim 1, wherein: the first steering cavity (2) is provided with an air supplementing pipe, an inlet of the air supplementing pipe is communicated with the outside of the first steering cavity (2), and the air supplementing pipe is controlled to be opened or closed through a control valve.
3. The multifunctional biomass fuel baking oven of claim 1, wherein: the tops of the first steering cavity (2) and the third steering cavity (3) are detachably sealed through sealing plates (6).
4. The multifunctional biomass fuel baking oven of claim 2, wherein: the device also comprises a dust cleaning device, wherein the dust cleaning device comprises a dust cleaning rod (33) and a scraper (32); the length of the ash removing rod (33) is greater than that of the smoke tube (4), and the tail end of the ash removing rod is provided with a handle; the shape of the scraper (32) is adapted to the shape of the cross section of the smoke tube (4), and the scraper (32) is fixed at the head end of the ash removal rod (33) so that the scraper (32) can be placed in the smoke tube (4) to scrape the inner wall of the smoke tube (4) through the ash removal rod (33).
5. The multifunctional biomass fuel baking oven of claim 1, wherein: also comprises a smoke inlet pipe (1); the smoke inlet pipe (1) is arranged at the top in the combustion chamber (14), and the inlet and the outlet of the smoke inlet pipe (1) are respectively communicated with the communicating port of the hot air chamber (11) and the first steering chamber (2).
6. The multi-functional biomass fuel baking oven of any one of claims 1 to 5, wherein: the head end and the tail end of the baking room (21) are respectively provided with a smoke inlet (20) and a discharge port (26); and a smoke inlet at the head end of the baking room (21) is communicated with a smoke outlet of the fourth steering cavity (10) through a smoke conveying pipe (8) and an induced draft fan.
7. The multifunctional biomass fuel baking oven of claim 1, wherein: the air outlet (24) at the tail end of the baking room (21) is provided with an air exhaust pipe (18), the inlet of the air exhaust pipe (18) is communicated with the air outlet (24), and the outlet of the air exhaust pipe is communicated with an air supplementing opening (19) at the front end of the hot air cavity (11) outside the baking room (21) through a control valve.
8. The multifunctional biomass fuel baking oven of claim 1, wherein: the device also comprises a guide pipe (34), wherein two ends of the guide pipe (34) are respectively communicated with the smoke conveying pipe (8) and the hot air pipe (7) through control valves; the outlet ends of the smoke conveying pipe (8) and the hot air pipe (7) are respectively provided with a control valve.
9. The multifunctional biomass fuel baking oven of claim 1, wherein: the side wall of the combustion cavity (14) is also provided with an opening (16); the opening (16) is openable and closable by means of a sealing door.
10. The multi-functional biomass fuel baking oven of any one of claims 7 to 9, wherein: also comprises a smoke exhaust pipe (17); one end of the smoke exhaust pipe (17) is communicated with a smoke exhaust port of the fourth steering cavity (10) through a control valve and a draught fan, and the other end of the smoke exhaust pipe is communicated with a smoke dust treatment device.
CN202011397149.XA 2020-12-04 2020-12-04 Multifunctional biomass fuel baking oven Active CN112273403B (en)

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* Cited by examiner, † Cited by third party
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GB115543A (en) * 1917-07-19 1918-05-16 James Connolly Improvements in or relating to Crucible Furnaces.
FR2685607A1 (en) * 1991-12-30 1993-07-02 Ephrem Alain Continuous-throughput wood-fired oven device
CN2648345Y (en) * 2003-09-28 2004-10-13 时福棋 Circulating hot wind stove
CN2719032Y (en) * 2003-12-02 2005-08-24 徐杨 Roasting oven
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CN214283006U (en) * 2020-12-04 2021-09-28 郴州宏基铭锐科技有限公司 Baking oven

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