CN210512155U - Rice husk type environment-friendly energy-saving suspension furnace - Google Patents
Rice husk type environment-friendly energy-saving suspension furnace Download PDFInfo
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- CN210512155U CN210512155U CN201921674188.2U CN201921674188U CN210512155U CN 210512155 U CN210512155 U CN 210512155U CN 201921674188 U CN201921674188 U CN 201921674188U CN 210512155 U CN210512155 U CN 210512155U
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Abstract
The utility model discloses a rice hull environmental protection and energy saving suspension furnace, which comprises a box body, wherein a combustion chamber and a convection heat exchange chamber are arranged in the box body, the inner wall of the convection heat exchange chamber is provided with a heat insulation plate, a plurality of baffle plates which are arranged in a staggered way form a plurality of circuitous airflow channels in the convection heat exchange chamber, an air outlet of a combustion cylinder in the combustion chamber is communicated with an inlet end of the airflow channel through an air outlet pipeline, and a plurality of circuitous cold air heating circulating pipes are arranged in the airflow channel; the bottom of the convection heat exchange chamber is provided with a plurality of waste chambers, each waste chamber is internally provided with an ash removal bin, the inner cavity of the ash removal bin is divided into an upper bin and a lower bin by a push plate capable of being pulled back and forth, the top of the upper bin is provided with a filter screen plate, and the lower bin is internally provided with an ash removal box capable of being pulled back and forth; the gas outlet of the convection heat exchange chamber is connected to a tail gas treatment device through a tail gas treatment pipe, and a smoke exhaust fan is arranged in the tail gas treatment pipe. The utility model has the advantages that: the heat dissipation of the convection heat exchange chamber is reduced, the heat exchange efficiency is improved, and the waste is easy and convenient to clean.
Description
Technical Field
The utility model relates to a suspension stove especially relates to a rice husk class environmental protection and energy saving suspension stove.
Background
The suspension furnace is a kiln which makes fine granular or powdery materials suspended in hot air flow under the action of heat-carrying gas, and the gas and solid undergo a violent heat transfer and mass transfer process.
In the suspension furnace, the material is in suspension state, and the heat and mass transfer rate is much higher than that of the material in a fixed bed and a boiling bed. The gas in the furnace is in a violent turbulent state, the fuel is uniformly combusted, the furnace temperature is uniform, and the materials are uniformly heated. In the suspension furnace, the collection of the material must be obtained by separating gas and solid phases.
With the national higher and higher requirements for energy conservation and environmental protection, the control on combustion materials and exhaust gas is stricter and stricter. Suspension furnace among the prior art includes combustion chamber and convection heat transfer room usually, and the steam that the fuel produced after abundant burning gasification in the combustion chamber enters into the convection heat transfer room, and gaseous after the convection heat transfer is treated that finishes using, nevertheless the tail gas that the burning furnace produced after to the heat exchange among the prior art filters insufficiently, and the heat loss in the combustion process is too huge to and the fuel is sent into the combustion chamber and the deashing process is too loaded down with trivial details.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a rice husk class environmental protection and energy saving suspension stove to realize reducing the heat loss of convection heat transfer room, improve the heat exchange efficiency of convection heat transfer room, clear up the simple and convenient purpose of waste material.
The utility model discloses a realize through following technical scheme:
the utility model provides a rice hull class environmental protection and energy saving suspension stove, includes the box, be equipped with mutually independent combustion chamber and convection heat transfer room in the box, be equipped with the burner in the combustion chamber, burner one side is through the external first draught fan of combustion chamber air-supply line, the convection heat transfer indoor wall is equipped with the heat insulating board, be equipped with a plurality of baffles in the convection heat transfer room, a plurality of baffles are along crisscross the arranging of direction from the right side left, form circuitous airflow channel many times along the direction from the right side left in the convection heat transfer room through the baffle of a plurality of crisscross arrangements, the one end that airflow channel is close to the combustion chamber is the entrance point, the one end of keeping away from the combustion chamber is the exit end, the air outlet of burner is linked together through the entrance point of air-out pipeline with airflow channel, be equipped with a cold air heating circulating pipe circuitous many times in the airflow channel, the entrance point of cold air, the outlet end of the cold air heating circulating pipe is close to the inlet end of the air flow channel and extends out of the box body to be connected with an air delivery pipe, hot gas combusted in the combustion cylinder enters the air flow channel, cold air in the air heating circulating pipe is heated in a heat exchange mode, and the heated air is delivered to equipment needing hot air through the air delivery pipe;
the bottom of the convection heat exchange chamber is provided with a plurality of waste chambers which are arranged side by side along the left-right direction, each waste chamber is internally provided with an ash cleaning bin for collecting and cleaning waste in hot gas, the inner cavity of the ash cleaning bin is divided into an upper bin and a lower bin by a push plate which can be pulled back and forth, the top of the upper bin is provided with a filter screen plate, and the lower bin is internally provided with an ash cleaning box which can be pulled back and forth;
the convection heat exchange chamber is provided with a gas outlet at the position close to the outlet end of the airflow channel, the gas outlet is connected to a tail gas treatment device through a tail gas treatment pipe, a smoke exhaust fan is arranged in the tail gas treatment pipe, and waste gas in the convection heat exchange chamber is sent into the tail gas treatment device through the tail gas treatment pipe for centralized treatment through the smoke exhaust fan.
Furthermore, a weighing sensor is arranged at the bottom of the push plate of the ash removal bin, and a buzzer is arranged on the front side of the upper bin of the ash removal bin.
Further, the cold air heating circulation pipe is a square pipe.
Furthermore, the cold air heating circulating pipe is formed by connecting a plurality of rows of pipeline units end to end, and each row of pipeline units are distributed in a serpentine pipe shape on a vertical surface.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a rice hull class environmental protection and energy saving suspension furnace, which is provided with a cold air heating circulating pipe inside a convection heat exchange chamber, and heats cold air by using the waste heat of hot gas in a combustion cylinder, thereby providing other equipment needing a heat source for use, and being energy-saving and environment-friendly; the heat insulation plate is arranged on the inner wall of the convection heat exchange chamber for heat insulation, and the ash cleaning bin area is separated from the ash cleaning box below by the push plate during working, so that heat in the convection heat exchange chamber can be effectively prevented from dissipating, and more heat is ensured to be used for heating cold air; meanwhile, the cold air heating circulating pipe is designed into a structure which is roundabout for many times, the heating path of cold air is prolonged, and the cold air heating circulating pipe is designed into a square pipe, so that the outer surface area of the cold air heating circulating pipe is increased, the contact area of the cold air and hot air is increased, and the heat exchange efficiency is greatly improved. Furthermore, the utility model discloses there is tail gas processing apparatus in the gas outlet department of convection heat transfer room through tail gas treatment union coupling, has realized the automatic centralized processing of indoor tail gas of convection heat transfer through smoke exhaust fan.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 1.
Fig. 4 is a cross-sectional view of fig. 1 taken along line C-C.
Fig. 5 is a perspective view showing an opened state of the ash removal box of the ash removal bin according to the present invention.
Fig. 6 is a perspective view showing the closed state of the ash removal box of the ash removal bin of the present invention.
Fig. 7 is a circuit connection relationship diagram of the controller, the buzzer and the weighing sensor.
Reference numbers in the figures: the device comprises a box body 1, a combustion chamber 2, a convection heat exchange chamber 3, a combustion barrel 4, a combustion chamber air inlet pipe 5, a first induced draft fan 6, a baffle 7, an air outlet pipeline 8, a cold air heating circulating pipe 9, a pipeline unit 10, a second induced draft fan 11, a gas pipe 12, a waste material chamber 13, a bin 14, a bin 15, a filter screen plate 16, an ash removal box 17, a buzzer 18, a tail gas treatment pipe 19, a tail gas treatment device 20, a smoke exhaust fan 21, a push plate 22 and a weighing sensor 23.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1 to 7, the embodiment discloses a rice hull type environment-friendly and energy-saving suspension furnace, which comprises a box body 1, a combustion chamber 2 and a convection heat exchange chamber 3 which are mutually independent are arranged in the box body 1, a combustion cylinder 4 is arranged in the combustion chamber 2, one side of the combustion cylinder 4 is externally connected with a first induced draft fan 6 through a combustion chamber air inlet pipe 5, a heat insulation plate is arranged on the inner wall of the convection heat exchange chamber 3, a plurality of baffles 7 are arranged in the convection heat exchange chamber 3, the plurality of baffles 7 are arranged in a staggered manner along the direction from right to left, a plurality of circuitous air flow channels are formed in the convection heat exchange chamber 3 through the plurality of staggered baffles 7, one end of each air flow channel close to the combustion chamber 2 is an inlet end, one end far away from the combustion chamber 2 is an outlet end, an air outlet of the combustion cylinder 4 is communicated with the inlet end of each air flow, the cold air heating circulating pipe 9 is formed by connecting a plurality of rows of pipeline units 10 end to end, and each row of pipeline units 10 are distributed in a serpentine shape on a vertical surface. The cold air heating circulating pipe 9 is a square pipe, and the external surface area of the cold air heating circulating pipe 9 is increased by adopting the square pipe, so that the contact area between cold air in the cold air heating circulating pipe 9 and hot air in the convection heat exchange chamber 3 is increased, and the heat exchange efficiency is improved. The entrance point of cold air heating circulating pipe 9 is close to the exit end of airflow channel and stretches out and connect second draught fan 11 outside box 1, the exit end of cold air heating circulating pipe 9 is close to the entrance point of airflow channel and stretches out and connect gas-supply pipe 12 outside box 1, the hot gas after the burning gets into airflow channel in the combustion section of thick bamboo 4, heat the cold air in the air heating circulating pipe through the mode of heat exchange, the air after the heating is carried to the equipment that needs the hot-air through gas-supply pipe 12, for example, can carry the air after the heating to grain drying tower.
The bottom of the convection heat exchange chamber 3 is provided with a plurality of waste material chambers 13 side by side along the left-right direction, an ash cleaning bin used for collecting and cleaning waste materials in hot gas is arranged in each waste material chamber 13, the inner cavity of the ash cleaning bin is divided into an upper bin 14 and a lower bin 15 by a push plate 22 capable of being pulled back and forth, the upper bin 14 is a waste material collecting region, and the lower bin 15 is a waste material cleaning region. The top of the upper bin 14 is provided with a filter screen plate 16, and the lower bin 15 is internally provided with a dust cleaning box 17 which can be drawn back and forth. The bottom of a push plate 22 of the ash removal bin is provided with a weighing sensor 23, and the front side of an upper bin 14 of the ash removal bin is provided with a buzzer 18. The weighing sensor 23 and the buzzer 18 are connected with the controller, the connection relation circuit diagram is shown in fig. 7, the controller can adopt a chip with the model number of ATB9C51, the buzzer 18 is connected to a P1.0 interface of the chip, and the weighing sensor 23 is connected to a P2.0 interface of the chip.
The convection heat exchange chamber 3 is provided with an air outlet at a position close to the outlet end of the air flow channel, the air outlet is connected to a tail gas treatment device 20 through a tail gas treatment pipe 19, a smoke exhaust fan 21 is arranged in the tail gas treatment pipe 19, and waste gas inside the convection heat exchange chamber 3 is sent into the tail gas treatment device 20 through the tail gas treatment pipe 19 for centralized treatment through the smoke exhaust fan 21.
When the air heating device works, hot air combusted in the combustion cylinder 4 enters the air flow channel, cold air in the air heating circulating pipe is heated in a heat exchange mode, and the heated air is conveyed to the grain drying tower through the air conveying pipe 12 and is used by the grain drying tower. In the process, waste materials generated by combustion of rice hulls mixed in hot gas in the convection heat exchange chamber 3 enter the upper bin 14 through the filter screen plate 16 at the top of the ash removal bin and fall onto the push plate 22, when the waste materials on the push plate 22 reach a certain weight, signals are sent to the controller through the weighing sensor 23 at the bottom of the push plate 22, the buzzer 18 is controlled by the controller to give out alarm sound, an operator draws out the push plate 22 and the ash removal box 17 after hearing the alarm sound, pours the waste materials on the push plate 22 into the ash removal box 17, and the ash removal box 17 and the push plate 22 are returned to the original position after the waste materials in the ash removal box 17 are treated.
The utility model is provided with a heat insulation board on the inner wall of the convection heat exchange chamber 3 for heat insulation, and the ash cleaning bin area is separated from the ash cleaning box 17 below by the push plate 22 during working, thus effectively preventing the heat in the convection heat exchange chamber 3 from dissipating and ensuring more heat to be used for heating cold air; meanwhile, the cold air heating circulation pipe 9 is designed to be a structure which is roundabout for many times, the heating path of cold air is prolonged, and the cold air heating circulation pipe 9 is designed to be a square pipe, so that the external surface area of the cold air heating circulation pipe 9 is increased, the contact area of the cold air and the hot air is increased, and the heat exchange efficiency is greatly improved. Furthermore, the utility model discloses be connected with tail gas processing apparatus 20 through tail gas treatment pipe 19 in the gas outlet department of convection heat transfer chamber 3, realized the automatic centralized processing of tail gas in the convection heat transfer chamber 3 through smoke exhaust fan 21, the treatment fluid among the tail gas processing apparatus 20 is alkaline solution, through the acidic gas in alkaline solution and the tail gas and filter the particulate matter in the waste gas, realizes the processing to tail gas.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a rice husk class environmental protection and energy saving suspension stove, includes box (1), be equipped with mutually independent combustion chamber (2) and convection heat transfer room (3) in box (1), be equipped with combustion cylinder (4) in combustion chamber (2), combustion cylinder (4) one side is through external first draught fan (6) of combustion chamber air-supply line (5), its characterized in that: the convection heat exchange chamber (3) inner wall is equipped with the heat insulating board, be equipped with a plurality of baffles (7) in convection heat exchange chamber (3), a plurality of baffles (7) are crisscross along the direction from the right side left and are arranged, baffle (7) through a plurality of crisscross arrangements form circuitous air current passageway many times along the direction from the right side left in convection heat exchange chamber (3), the one end that air current passageway is close to combustion chamber (2) is the entrance point, the one end of keeping away from combustion chamber (2) is the exit end, the air outlet of combustion barrel (4) is linked together through air-out pipeline (8) and air current passageway's entrance point, be equipped with circuitous cold air heating circulating pipe (9) many times in the air current passageway, the entrance point of cold air heating circulating pipe (9) is close to air current passageway's exit end and stretches out and connect second draught fan (11) outside box (1), the exit end of cold air heating circulating pipe (9) is close to air The hot gas after combustion in the combustion cylinder (4) enters the airflow channel, the cold air in the air heating circulating pipe is heated in a heat exchange mode, and the heated air is conveyed to equipment needing hot air through the gas conveying pipe (12);
the bottom of the convection heat exchange chamber (3) is provided with a plurality of waste material chambers (13) which are arranged side by side along the left-right direction, each waste material chamber (13) is internally provided with an ash cleaning bin for collecting and cleaning waste materials in hot gas, the inner cavity of the ash cleaning bin is divided into an upper bin (14) and a lower bin (15) by a push plate (22) which can be pulled back and forth, the top of the upper bin (14) is provided with a filter screen plate (16), and the lower bin (15) is internally provided with an ash cleaning box (17) which can be pulled back and forth;
the exhaust gas treatment device is characterized in that a gas outlet is formed in the position, close to the outlet end of the airflow channel, of the convection heat exchange chamber (3), the gas outlet is connected to an exhaust gas treatment device (20) through an exhaust gas treatment pipe (19), a smoke exhaust fan (21) is arranged in the exhaust gas treatment pipe (19), and exhaust gas inside the convection heat exchange chamber (3) is sent into the exhaust gas treatment device (20) through the exhaust gas treatment pipe (19) for centralized treatment through the smoke exhaust fan (21).
2. The rice husk type environment-friendly and energy-saving suspension furnace as claimed in claim 1, characterized in that: the bottom of a push plate (22) of the ash removal bin is provided with a weighing sensor (23), and the front side of an upper bin (14) of the ash removal bin is provided with a buzzer (18).
3. The rice husk type environment-friendly and energy-saving suspension furnace as claimed in claim 1, characterized in that: the cold air heating circulating pipe (9) is a square pipe.
4. The rice husk type environment-friendly and energy-saving suspension furnace as claimed in claim 1, characterized in that: the cold air heating circulation pipe (9) is formed by connecting a plurality of rows of pipeline units (10) end to end, and each row of pipeline units (10) are distributed in a serpentine pipe shape on a vertical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674188.2U CN210512155U (en) | 2019-09-30 | 2019-09-30 | Rice husk type environment-friendly energy-saving suspension furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674188.2U CN210512155U (en) | 2019-09-30 | 2019-09-30 | Rice husk type environment-friendly energy-saving suspension furnace |
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| CN210512155U true CN210512155U (en) | 2020-05-12 |
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| CN201921674188.2U Active CN210512155U (en) | 2019-09-30 | 2019-09-30 | Rice husk type environment-friendly energy-saving suspension furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542207A (en) * | 2019-09-30 | 2019-12-06 | 合肥工业大学 | Rice husk type environment-friendly energy-saving suspension furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542207A (en) * | 2019-09-30 | 2019-12-06 | 合肥工业大学 | Rice husk type environment-friendly energy-saving suspension furnace |
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