CN219199240U

CN219199240U - Feeding device for biomass fuel boiler

Info

Publication number: CN219199240U
Application number: CN202320714390.3U
Authority: CN
Inventors: 丘斌海; 黄文坚; 黄凌
Original assignee: Guangzhou Yuewei Boilers Co ltd
Current assignee: Guangzhou Yuewei Boilers Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-16
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to the technical field of boilers and discloses a feeding device for a biomass fuel boiler, which comprises a boiler, a feeding pipe and a hopper, wherein the feeding pipe comprises a vertical end and an inclined end, the inclined end is connected with one side top of the boiler, the top of the vertical end is connected with the hopper, the outer side of the bottom of the vertical end is fixedly connected with a rotary cylinder, the bottom end inside the vertical end is movably provided with a baffle plate, the free end of the rotary cylinder is connected with the baffle plate, and one end, close to the boiler, inside the inclined end is rotatably provided with a discharging device. According to the utility model, the blanking device is arranged, the inclined end of the feeding pipe is blocked by the blanking device, so that the boiler is prevented from backfire into the feeding pipe, meanwhile, falling fuel is accumulated in the trough formed between the two sector plates, and the arc-shaped column body is rotated under the action of gravity, so that the fuel in the trough is conveyed into the boiler, and the continuous conveying of the fuel is ensured while the blocking is carried out.

Description

Feeding device for biomass fuel boiler

Technical Field

The utility model relates to the technical field of boilers, in particular to a feeding device for a biomass fuel boiler.

Background

In the present day of energy shortage, the development of renewable energy has become a global hotspot problem. Currently, a large number of biomass fuels exist in vast rural areas, such as: straw, bean stalks, bagasse and the like, and the biomass fuels are lack of matched novel and efficient combustion devices, so that the utilization rate of the biomass fuels is extremely low.

At present, most boilers are easy to generate backfire in the combustion process when biomass fuel is combusted, namely flame in the boiler is sprayed to one side of the charging hopper due to the increase of internal combustion pressure, so that the fuel in the charging hopper is combusted in the charging hopper, and the charging hopper and the whole feeding system are burnt out when serious, so that the boiler cannot normally feed.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a feeding device for a biomass fuel boiler, which aims to solve the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a biomass fuel feeding device for boiler, includes boiler, inlet pipe and hopper, the inlet pipe includes vertical end and slope end, the slope end be connected with one side top of boiler, the top of vertical end is connected with the hopper, a revolving cylinder of bottom outside fixed connection of vertical end, a baffle is installed to the inside bottom movable mounting of vertical end, and revolving cylinder's free end is connected with the baffle, the inside one end that is close to the boiler of slope end rotates installs unloader.

Preferably, the top surface middle part demountable installation of hopper has the diaphragm, demountable installation has gear motor in the top surface middle part of diaphragm, gear motor's axle goes out the axle and runs through diaphragm and transmission shaft fixed connection, the one end fixedly connected with screw conveying blade that gear motor was kept away from to the transmission shaft, screw conveying blade is located the inside of the vertical end of inlet pipe.

Preferably, the unloader includes arc cylinder, pivot, sector plate and silo, the surface circumferencial direction fixed mounting of arc cylinder has a plurality of sector plates, and two adjacent form the silo between the sector plate, the equal fixedly connected with pivot in both sides middle part of arc cylinder, and pivot rotation installs the slope end department at the inlet pipe.

Preferably, the device further comprises a PLC controller fixedly installed at the vertical end of the feeding pipe, and the output end of the PLC controller is electrically connected with the input ends of the gear motor and the rotary cylinder respectively.

Preferably, the inside of arc cylinder is seted up flutedly, temperature sensor is installed to the inside embedding of recess, and temperature sensor's output and the input electric connection of PLC controller.

Preferably, a sealing ring is embedded in the middle of the outer side surface of the partition plate.

Preferably, the outer edge arc structures of the partition plate and the blanking device are matched with the inner wall of the feeding pipe.

The utility model has the technical effects and advantages that:

1. according to the utility model, the blanking device is arranged, the inclined end of the feeding pipe is blocked by the blanking device, so that the boiler is prevented from backfire into the feeding pipe, meanwhile, falling fuel is accumulated in the trough formed between the two sector plates, and the arc-shaped column body is rotated under the action of gravity, so that the fuel in the trough is conveyed into the boiler, and the continuous conveying of the fuel is ensured while the blocking is carried out.

2. According to the utility model, the PLC, the rotary cylinder, the partition plate and the temperature sensor are arranged, when the feeding pipe is tempered, the fire is in contact with the blanking device, the temperature sensor in the groove monitors the high temperature and timely sends the high temperature to the PLC, and at the moment, the PLC starts the rotary cylinder to enable the partition plate to overturn to block the vertical end of the feeding pipe, so that the tempering prevention function effect is further improved.

3. According to the utility model, the transverse plate, the gear motor, the transmission shaft and the spiral conveying blades are arranged, the gear motor drives the transmission shaft to rotate, so that the spiral conveying blades rotate at the vertical end of the feeding pipe, the fuel in the hopper is conveyed in a spiral mode, the condition that the feeding pipe is blocked is effectively avoided, and the conveying of the fuel is ensured.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is a schematic perspective view of a blanking device of the present utility model.

Fig. 4 is a schematic side view of the blanking device of the present utility model.

Fig. 5 is a schematic diagram of a front view structure of a blanking device of the present utility model.

Fig. 6 is a schematic cross-sectional structure of the blanking device of the present utility model.

Fig. 7 is a schematic perspective view of a separator according to the present utility model.

Fig. 8 is a schematic view of the movement state structure of the partition plate of the present utility model.

The reference numerals are: 1. a boiler; 2. a feed pipe; 3. a hopper; 4. a cross plate; 5. a speed reducing motor; 6. a transmission shaft; 7. a PLC controller; 8. a rotary cylinder; 9. spiral conveying blades; 10. a partition plate; 11. a blanking device; 12. an arc-shaped column; 13. a rotating shaft; 14. a sector plate; 15. a trough; 16. a groove; 17. a temperature sensor; 18. and (3) sealing rings.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the respective configurations described in the following embodiments are merely examples, and the feeder for biomass fuel boilers according to the present utility model is not limited to the configurations described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present utility model.

The utility model provides a feeding device for a biomass fuel boiler, which comprises a boiler 1, a feeding pipe 2 and a hopper 3, wherein the feeding pipe 2 comprises a vertical end and an inclined end, the inclined end is connected with one side top of the boiler 1, the top of the vertical end is connected with the hopper 3, a blanking device 11 is rotatably arranged at one end, close to the boiler 1, inside the inclined end, and is provided with the blanking device 11, the inclined end of the feeding pipe 2 is blocked by the blanking device 11, and the boiler 1 is prevented from being tempered into the feeding pipe 2.

Further, the diaphragm 4 is detachably installed in the middle of the top surface of the hopper 3, the gear motor 5 is detachably installed in the middle of the top surface of the diaphragm 4, the shaft output shaft of the gear motor 5 penetrates through the diaphragm 4 and is fixedly connected with the transmission shaft 6, one end of the transmission shaft 6, which is far away from the gear motor 5, is fixedly connected with the spiral conveying blade 9, the spiral conveying blade 9 is located inside the vertical end of the feeding pipe 2, the transmission shaft 6 and the spiral conveying blade 9 are driven to rotate through the gear motor 5, the spiral conveying blade 9 is driven to rotate at the vertical end of the feeding pipe 2, accordingly, fuel in the hopper 3 is conveyed in a spiral mode, blockage of the feeding pipe 2 is effectively avoided, and conveying of the fuel is guaranteed.

Further, unloader 11 includes arc cylinder 12, pivot 13, sector plate 14 and silo 15, the surface circumferencial direction fixed mounting of arc cylinder 12 has a plurality of sector plates 14, form silo 15 between two adjacent sector plates 14, the equal fixedly connected with pivot 13 in both sides middle part of arc cylinder 12, and pivot 13 rotation is installed in the slope end department of inlet pipe 2, the fuel that falls is piled up in the silo 15 that forms between two sector plates 14, make arc cylinder 12 take place the rotation under the effect of gravity, thereby carry the inside fuel of silo 15 to the inside of boiler 1, guarantee the continuous transport of fuel when the shutoff.

Further, a rotary cylinder 8 is fixedly connected to the outer side of the bottom of the vertical end, a partition plate 10 is movably mounted at the bottom end of the inner part of the vertical end, the free end of the rotary cylinder 8 is connected with the partition plate 10, the device further comprises a PLC controller 7 fixedly mounted at the vertical end of the feeding pipe 2, the output end of the PLC controller 7 is electrically connected with the speed reducing motor 5 and the input end of the rotary cylinder 8 respectively, a groove 16 is formed in the inner part of the arc-shaped cylinder 12, a temperature sensor 17 is mounted in the groove 16 in an embedded mode, the output end of the temperature sensor 17 is electrically connected with the input end of the PLC controller 7, and the temperature threshold value is initially set through the temperature sensor 17, so that whether tempering phenomenon (namely tempering possibly occurs when the temperature is higher than the set threshold value) inside the feeding pipe 2 is monitored;

through being equipped with PLC controller 7, revolving cylinder 8, baffle 10 and temperature sensor 17, when inlet pipe 2 takes place the tempering, the intensity of a fire contacts with unloader 11, and the inside temperature sensor 17 of recess 16 monitors the high temperature to in timely sending PLC controller 7, the PLC controller 7 opens revolving cylinder 8 and makes baffle 10 overturn and carry out the shutoff to the vertical end of inlet pipe 2 this moment, further improved the functional effect of preventing tempering.

Further, sealing ring 18 is installed in the middle of the outer side face of baffle 10 in an embedded mode, sealing ring 18 is improved, and sealing effect of baffle 10 on the vertical end of feed pipe 2 is achieved.

Further, the arc-shaped structures of the outer edges of the partition plate 10 and the blanking device 11 are matched with the inner wall of the feeding pipe 2, the cross sections of the partition plate 10 and the blanking device 11 are round and matched with the inner diameter of the feeding pipe 2, the turned partition plate 10 and the blanking device 11 which continuously rotates to feed are in contact and fit with the inner wall pipe of the feeding pipe 2, and the blocking effect of the partition plate 10 and the blanking device 11 on the feeding pipe 2 is guaranteed.

The working principle of the utility model is as follows: during the use, pour the fuel into hopper 3, open gear motor 5 this moment, gear motor 5 drives transmission shaft 6 rotation, thereby make spiral delivery blade 9 inside rotation at the vertical end of inlet pipe 2, and then realize carrying the inside fuel of hopper 3, the fuel leaves the tilt end through vertical end under the effect of gravity, and fall into silo 15, make arc cylinder 12 take place the rotation under the effect of gravity, thereby carry the inside fuel of silo 15 to the inside of boiler 1 and burn, carry out the shutoff to the tilt end of inlet pipe through unloader, prevent the boiler backfire to in the inlet pipe, if the inside tempering condition that takes place of inlet pipe 2, the fire contacts with unloader 11, the inside temperature sensor 17 of recess 16 monitors the high temperature, and in time send to PLC controller 7, at this moment PLC controller 7 opens revolving cylinder 8 and makes baffle 10 overturn and carry out the shutoff to the vertical end of inlet pipe 2, further improvement anti-backfire functional effect, PLC controller 7 closes gear motor 5 simultaneously and stops to carry the fuel.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a biomass fuel feeding device for boiler, includes boiler (1), inlet pipe (2) and hopper (3), its characterized in that: the feeding pipe (2) comprises a vertical end and an inclined end, the top of the inclined end is connected with a side top of the boiler (1), the top of the vertical end is connected with the hopper (3), a rotary cylinder (8) is fixedly connected to the outer side of the bottom of the vertical end, a partition plate (10) is movably mounted at the bottom end inside the vertical end, the free end of the rotary cylinder (8) is connected with the partition plate (10), and a discharging device (11) is rotatably mounted at one end, close to the boiler (1), inside the inclined end.

2. The feeder for biomass fuel boiler according to claim 1, wherein: the automatic feeding device is characterized in that a transverse plate (4) is detachably arranged in the middle of the top surface of the hopper (3), a gear motor (5) is detachably arranged in the middle of the top surface of the transverse plate (4), a shaft outlet shaft of the gear motor (5) penetrates through the transverse plate (4) and is fixedly connected with a transmission shaft (6), one end of the transmission shaft (6) away from the gear motor (5) is fixedly connected with a spiral conveying blade (9), and the spiral conveying blade (9) is located inside the vertical end of the feeding pipe (2).

3. The feeder for biomass fuel boiler according to claim 1, wherein: unloader (11) are including arc cylinder (12), pivot (13), sector plate (14) and silo (15), the surface circumferencial direction fixed mounting of arc cylinder (12) has a plurality of sector plates (14), and two adjacent form silo (15) between sector plate (14), the equal fixedly connected with pivot (13) in both sides middle part of arc cylinder (12), and pivot (13) rotate and install in the slope end department of inlet pipe (2).

4. The feeder for biomass fuel boiler according to claim 1, wherein: still include PLC controller (7) of the vertical end of fixed mounting inlet pipe (2), and the output of PLC controller (7) respectively with gear motor (5), revolving cylinder (8) input electric connection.

5. A feeder for biomass fuel boiler according to claim 3, characterized in that: the inside of arc cylinder (12) is seted up flutedly (16), temperature sensor (17) are installed in the inside embedding of recess (16), and the output of temperature sensor (17) and the input electric connection of PLC controller (7).

6. The feeder for biomass fuel boiler according to claim 1, wherein: and a sealing ring (18) is embedded in the middle of the outer side surface of the partition plate (10).

7. The feeder for biomass fuel boiler according to claim 1, wherein: the outer edge arc structures of the partition plate (10) and the blanking device (11) are matched with the inner wall of the feeding pipe (2).