CN112013378A

CN112013378A - Biomass fuel hot blast stove convenient for feeding

Info

Publication number: CN112013378A
Application number: CN202010793602.2A
Authority: CN
Inventors: 凌姗姗
Original assignee: Wuwei Wanjiang Grain Machinery Co ltd
Current assignee: Wuwei Wanjiang Grain Machinery Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-12-01
Anticipated expiration: 2040-08-10
Also published as: CN112013378B

Abstract

The invention relates to a biomass fuel hot blast stove convenient for feeding, which comprises a combustion assembly used for fully combusting biomass fuel for supplying heat, wherein a heat exchange assembly used for exchanging the heat combusted by the combustion assembly is arranged on the side surface of the combustion assembly, a discharging assembly used for discharging and discharging ash left after combustion is arranged below the combustion assembly, a feeding assembly used for sucking the biomass fuel is arranged at a position close to the upper part of the combustion assembly, and a hopper of the feeding assembly is controlled by a mechanical arm type control assembly to suck the biomass fuel at different positions. According to the invention, the original feeding hopper fixed on one side is arranged as the hopper which is controlled by the operation arm and can freely change the position and the opening direction, and the hopper is connected with the suction fan through the feeding hose, so that biomass materials with small volume and light weight are sucked under the control of the operation arm, manual feeding is not needed for sucking at the full-automatic change position, manpower resources are saved, and the feeding is stable and rapid.

Description

Biomass fuel hot blast stove convenient for feeding

Technical Field

The invention relates to the field of hot blast stoves, in particular to a biomass fuel hot blast stove convenient for feeding.

Background

The heat utilization rate and the thermal working effect can be improved greatly only by using hot air as a medium and a carrier, the existing biomass fuel hot blast stove adopts firewood, bamboo chips, rice hulls, straws and the like to press biological granular fuel to enter a hearth for combustion to generate heat, the combusted flue gas enters a heat exchanger for circulation and then is discharged, and meanwhile, cold air enters the outer wall of the heat exchanger for heating and then is output.

The material loading of current biomass fuel hot-blast furnace adopts the tradition to put in the material by the manual work in the dog-house of hot-blast furnace below, later sends it into the combustion chamber through the delivery pump and carries out the processing of burning in, owing to need the manual work to pull the material loading, leads to the material loading speed can be more and more slow along with the extension of time, and unstable and material loading efficiency is not high.

Disclosure of Invention

The invention provides a biomass fuel hot blast stove convenient for feeding, which aims to meet the requirements on stable and rapid feeding of the biomass fuel hot blast stove.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the utility model provides a make things convenient for biomass fuel hot-blast furnace of material loading, is including being used for carrying out the combustion assembly of abundant burning heat supply to biomass fuel, the combustion assembly side is provided with and is used for right the heat exchange assembly that the heat that the combustion assembly burnt carries out the exchange, the combustion assembly below is provided with the row's material subassembly that is used for arranging remaining ashes after the burning outward, the position that combustion assembly is close to the top is provided with the material loading subassembly that is used for absorbing biomass fuel, the absorption that carries out the biomass fuel of different positions and holds is controlled by mechanical arm formula control assembly to the hopper of material loading subassembly, the inside rotation of hopper that can overturn in the material loading subassembly is provided with the regulating plate that is used for carrying out interior row mode regulation to.

The heating bin of the combustion assembly is fixedly connected with the heat exchange bin of the heat exchange assembly, a heating furnace in the heating bin is communicated with a smoke exhaust channel in the heat exchange bin through an inner smoke exhaust pipe, and an outer smoke exhaust pipe of a built-in purifier is arranged above the tail end of the smoke exhaust channel.

The two sides of the smoke exhaust channel are provided with an air inlet part and an air exhaust part of the heat exchange channel, the two parts of the heat exchange channel are communicated through a communication channel formed below the innermost layer of the smoke exhaust channel, the heat exchange channel of the air inlet part is correspondingly provided with an air inlet pipe, and the heat exchange channel of the air exhaust part is correspondingly provided with an air exhaust pipe.

The inside of heating furnace is provided with some firearms, the oblique top of heating furnace be provided with the material loading mouth that the material loading subassembly is linked together, the below of heating furnace be provided with the ash hole with arrange the material pipe of material subassembly and be linked together, it is provided with spiral delivery pump in the material pipe to arrange.

The hopper is provided with a thick and a thin feeding hoses which are communicated with a feeding port of the heating bin, wherein the thin one is communicated with the heating bin through an air suction fan, and the thick other one is directly communicated with the heating bin.

The two feeding hoses correspond to the two arc-shaped discharge holes in the surface of the hopper respectively, holes are formed in the surface of the adjusting plate, and the holes correspond to the two discharge holes when the adjusting plate rotates.

The rotating seat of the control assembly is fixed on the outer wall of the heating bin and located below the feeding port, and the rotating seat is provided with an operating arm used for controlling the hopper to change the position.

The front end of the operating arm drives the hopper to turn over through a motor, and an output shaft of the motor is meshed with a driven bevel gear on the adjusting plate through a driving bevel gear to drive the adjusting plate to rotate.

The invention has the beneficial effects that:

the invention sets the original feeding hopper fixed on one side as a hopper which is controlled by an operation arm and can freely change the position and the opening direction, when the hopper rotates and opens upwards, the hole on the adjusting plate is communicated with the thinner feeding hose and the suction fan, so that biomass materials with small volume and light weight are sucked under the control of the operation arm, otherwise, when the hopper rotates and opens upwards, the hole on the adjusting plate is communicated with the thicker feeding hose, the biomass materials with heavy weight or large volume are directly received and slide down, the sucking at the full-automatic change position does not need manual feeding, manpower resources are saved, the feeding is stable and rapid, meanwhile, the operation arm can also control the hopper to automatically feed objects with large volume and heavy weight by adopting the modes of shoveling, digging or receiving, and the like, on the basis of keeping the original feeding mode, a plurality of different feeding modes for different fuels are added, the practicability and the application range are increased.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall appearance of the present invention;

FIG. 2 is a schematic cross-sectional view of a combustion assembly, heat exchange assembly and blow down assembly of the present invention;

FIG. 3 is a schematic perspective cross-sectional view of the combustion assembly, heat exchange assembly and blow down assembly of the present invention;

FIG. 4 is a schematic view of the loading assembly and control assembly of the present invention;

FIG. 5 is a schematic view of the hopper construction of the present invention;

FIG. 6 is a schematic cross-sectional view of a hopper of the present invention;

fig. 7 is a schematic sectional view of the hopper of the present invention.

In the figure: 1. a combustion assembly; 11. a heating chamber; 12. heating furnace; 13. an igniter; 14. a feeding port; 15. an inner smoke exhaust pipe; 2. a heat exchange assembly; 21. a heat exchange bin; 22. a smoke evacuation channel; 23. a heat exchange channel; 24. a communicating hole; 25. an outer smoke discharge pipe; 26. a heat exhaust pipe; 3. a discharge assembly; 31. an ash outlet; 32. a discharge pipe; 33. a delivery pump; 4. a feeding assembly; 41. an air suction fan; 42. a feeding hose; 43. a hopper; 431. a discharge port; 44. an adjusting plate; 441. a hole; 442. a driven bevel gear; 45. a motor; 451. a drive bevel gear; 5. a control component; 51. a rotating seat; 52. an operating arm.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.

As shown in fig. 1 to 7, a biomass fuel hot blast stove convenient for feeding comprises a combustion assembly 1 for fully combusting biomass fuel for supplying heat, a heat exchange assembly 2 for exchanging heat combusted by the combustion assembly 1 is arranged on the side surface of the combustion assembly 1, a discharging assembly 3 for discharging ash left after combustion outside is arranged below the combustion assembly 1, a feeding assembly 4 for sucking biomass fuel is arranged at a position above the combustion assembly 1, a hopper 43 of the feeding assembly 4 is controlled by a mechanical arm type control assembly 5 to suck and hold biomass fuel at different positions, and an adjusting plate 44 for adjusting the biomass fuel in an inner discharging mode is rotatably arranged inside a reversible hopper 43 in the feeding assembly 4.

The heating chamber 11 of the combustion assembly 1 is fixedly connected with the heat exchange chamber 21 of the heat exchange assembly 2, the heating furnace 12 in the heating chamber 11 is communicated with the smoke exhaust channel 22 in the heat exchange chamber 21 through the inner smoke exhaust pipe 15, and the upper part of the tail end of the smoke exhaust channel 22 is provided with the outer smoke exhaust pipe 25 with the built-in purifier.

Two sides of the smoke exhausting channel 22 are provided with an air inlet part and an air exhaust part of the heat exchanging channel 23, the two parts of the heat exchanging channel 23 are communicated through a communicating channel formed below the innermost smoke exhausting channel 22, the heat exchanging channel 23 of the air inlet part is correspondingly provided with an air inlet and cooling pipe, and the heat exchanging channel 23 of the air exhaust part is correspondingly provided with an air exhaust pipe 26. The left side and the right side of the smoke exhaust channel 22 are respectively provided with an air inlet heat exchange channel 23 communicated with an air inlet pipe and an air exhaust heat exchange channel 23 communicated with an air exhaust pipe 26, the air inlet heat exchange channel 23 is communicated with the air exhaust heat exchange channel 23 through a communication channel below the innermost smoke exhaust channel 22, so that outside cold air enters the air inlet heat exchange channel 23 on the left side from the air inlet pipe and then enters the air exhaust heat exchange channel 23 on the right side through the communication channel and then is discharged outside from the air exhaust pipe 26, and the heat exchange channel 23 and the smoke exhaust channel 22 are both formed into an S-shaped channel flow direction through the communication holes 24.

An igniter 13 is arranged in the heating furnace 12, a feeding port 14 communicated with the feeding assembly 4 is arranged obliquely above the heating furnace 12, an ash outlet 31 communicated with a discharging pipe 32 of the discharging assembly 3 is arranged below the heating furnace 12, and a spiral conveying pump 33 is arranged in the discharging pipe 32. The ash burned after the biomass fuel is fully combusted in the heating chamber 11 automatically goes down from the ash outlet 31 below, falls into the discharging pipe 32, and is finally pushed by the conveying pump 33 to be conveyed to a remote place.

The hopper 43 is provided with a thick feeding hose 42 and a thin feeding hose 42 which are communicated with the feeding port 14 of the heating bin 11, wherein the thin feeding hose is communicated with the heating bin 11 through the suction fan 41, and the thick feeding hose is directly communicated with the heating bin 11; the two feeding hoses 42 respectively correspond to the two arc-shaped discharge holes 431 on the surface of the hopper 43, and the surface of the adjusting plate 44 is provided with holes 441, wherein the holes 441 respectively correspond to the two discharge holes 431 when the adjusting plate 44 rotates; a rotating seat 51 of the control assembly 5 is fixed on the outer wall of the heating bin 11 and is positioned below the feeding port 14, and an operating arm 52 for controlling the hopper 43 to change the position is arranged on the rotating seat 51; the front end of the operating arm 52 drives the hopper 43 to turn over through the motor 45, and the output shaft of the motor 45 is engaged with the driven bevel gear 442 on the adjusting plate 44 through the driving bevel gear 451 to drive the adjusting plate 44 to rotate. The arrangement of the rotating seat 51 is used for changing the angle of the operating arm 52, the hopper 43 is exchanged in different directions by matching with the operating arm 52, the rotating, extending and the like of the operating arm 52 are controlled by controlling each motor on the operating arm 52, the motor 45 at the forefront end of the operating arm 52 controls the rotation of the hopper 43, so that the hopper 43 can rotate in different angles in the vertical direction, the opening can absorb light materials downwards, the outer side or the inner side of the opening can shovel and dig the heavy materials, and the final opening is equal to the manual feeding or a conveying device in the previous processing; when the motor 45 controls the hopper 43 to rotate at the front end of the operating arm 52, an output shaft of the motor 45 drives the driven bevel gear 442 to rotate through the driving bevel gear 451, so as to drive the adjusting plate 44 to rotate in the hopper 43, so that the hole 441 on the adjusting plate 44 rotates between the two arc-shaped discharge holes 431, when the hopper 43 is opened downwards, the adjusting plate 44 rotates to rotate the hole 441 to the discharge hole 431 corresponding to the thinner feeding hose 42, so that a strong negative pressure is formed at the hopper 43 through the arrangement of the suction fan 41, so that the biomass fuel with light weight and small volume is adsorbed and directly discharged into the heating furnace 12 to be combusted by the heating furnace 12, and the trouble and the pain of manual feeding are avoided; when the hopper 43 is opened upwards, the adjusting plate 44 rotates the hole 441 to the discharge hole 431 corresponding to the thicker feeding hose 42, so that the heavier or bulky biomass fuel which cannot be sucked up can be directly received by the hopper 43 and slide down to the heating furnace to be combusted. The discharging holes 431 are arc-shaped and correspond to the circular holes 441, so that the holes 441 of the adjusting plate 44 are all in the receiving range of the discharging holes 431 corresponding to the thicker feeding hoses 42 within 180 degrees of the upward rotation of the opening of the hopper 43, and conversely, the holes 441 of the adjusting plate are all in the receiving range of the discharging holes 431 corresponding to the thinner feeding hoses 42 within 180 degrees of the downward rotation of the opening of the hopper 43.

When in use: firstly, a user controls the operation arm 52 to rotate the hopper 43, the opening of the hopper 43 is rotated to the lower side to the ground, then the operation arm 52 is controlled to extend and transfer the hopper 43 to the upper side of the biomass fuel on the ground, meanwhile, the suction fan 41 is started, the biomass fuel is sucked up by the suction fan 41 and discharged into the heating furnace 12, the igniter 13 in the heating furnace 12 ignites the biomass fuel to perform sufficient combustion, the flue gas generated after the combustion is discharged into the smoke exhaust channel 22 through the inner smoke exhaust pipe 15 and flows along the smoke exhaust channel 22, meanwhile, a large amount of heat heats cold air in the heat exchange channels 23 at two sides through the outer wall of the smoke exhaust channel 22, the flue gas continuously flows through the purifiers in the outer smoke exhaust pipes 25 and then is discharged into the air, the hot gas in the heat exchange channels 23 is discharged to the required place through the heat exhaust pipe 26, and simultaneously, the furnace ash in the heating furnace 12 falls into the discharge pipe, and is sent out by a delivery pump 33 along a discharge pipe 32.

Further: the operation arm 52 controls the opening of the hopper 43 to face upwards, and the height of the hopper 43 is changed by changing the height of the operation arm 52 so as to adapt to different heights for workers to dump, thereby ensuring the original dumping mode and avoiding the hopper from being used under some special conditions; meanwhile, the operating arm 52 can also be used in a hot blast stove which is not a biomass fuel, and when the operating arm 52 is used, the hopper 43 is controlled to dig and take the material pile like a digging machine; or shovels the materials like a forklift, and a plurality of different modes are used for automatically feeding materials which are not light, such as coal, charcoal and the like, but the heavier materials can only be lifted by the operation arm 52 and automatically slide down to the heating bin 11 for combustion through the thicker feeding hose 42 because the suction fan 41 can not suck the heavier materials.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a make things convenient for biomass fuel hot-blast furnace of material loading, is including being used for carrying out combustion assembly (1) of abundant burning heat supply to biomass fuel, combustion assembly (1) side is provided with and is used for to heat exchange assembly (2) that combustion assembly (1) burnt carries out the exchange, combustion assembly (1) below is provided with row's material subassembly (3) that are used for arranging behind the burning that the burning leaves ashes, its characterized in that: the position that combustion assembly (1) is close to the top is provided with material loading assembly (4) that is used for absorbing biomass fuel, the absorption that carries out the biomass fuel of different positions and hold is controlled by robotic arm's control assembly (5) in hopper (43) of material loading assembly (4), the inside rotation of hopper (43) that can overturn in material loading assembly (4) is provided with and is used for carrying out interior regulation of row mode (44) to biomass fuel.

2. The biomass fuel hot blast stove convenient for loading according to claim 1, is characterized in that: the heating chamber (11) of the combustion assembly (1) is fixedly connected with the heat exchange chamber (21) of the heat exchange assembly (2), the heating furnace (12) in the heating chamber (11) is communicated with the smoke exhaust channel (22) in the heat exchange chamber (21) through an inner smoke exhaust pipe (15), and an outer smoke exhaust pipe (25) with a built-in purifier is arranged above the tail end of the smoke exhaust channel (22).

3. The biomass fuel hot blast stove convenient for loading according to claim 2, is characterized in that: the two sides of the smoke exhaust channel (22) are provided with an air inlet part and an air exhaust part of the heat exchange channel (23), the two parts of the heat exchange channel (23) are communicated through a communication channel formed below the smoke exhaust channel (22) at the innermost layer, the heat exchange channel (23) at the air inlet part is correspondingly provided with an air inlet pipe, and the heat exchange channel (23) at the air exhaust part is correspondingly provided with an air exhaust pipe (26).

4. The biomass fuel hot blast stove convenient for loading according to claim 2, is characterized in that: the inside of heating furnace (12) is provided with some firearm (13), the oblique top of heating furnace (12) be provided with material loading mouth (14) that material loading subassembly (4) are linked together, the below of heating furnace (12) be provided with ash hole (31) with arrange row of material subassembly (3) and expect that pipe (32) are linked together, it is provided with spiral delivery pump (33) in material pipe (32) to arrange.

5. The biomass fuel hot blast stove convenient for loading according to claim 4, is characterized in that: hopper (43) be provided with one thick one thin two with material loading hose (42) that feed opening (14) of heating chamber (11) are linked together, wherein thin one pass through aspiration fan (41) with heating chamber (11) are linked together, thick another directly with heating chamber (11) are linked together.

6. The biomass fuel hot blast stove convenient for loading according to claim 5, is characterized in that: the two feeding hoses (42) correspond to the two arc-shaped discharge holes (431) in the surface of the hopper (43) respectively, holes (441) are formed in the surface of the adjusting plate (44), and the holes (441) correspond to the two discharge holes (431) respectively when the adjusting plate (44) rotates.

7. The biomass fuel hot blast stove convenient for loading according to claim 6, is characterized in that: the outer wall of heating bin (11) just is located the below of material loading mouth (14), install on rotation seat (51) and be used for control operation arm (52) that hopper (43) carry out the position change, rotation seat (51) of control assembly (5) are fixed.

8. The biomass fuel hot blast stove convenient for loading according to claim 7, is characterized in that: the front end of the operating arm (52) drives the hopper (43) to turn over through a motor (45), and an output shaft of the motor (45) is meshed with a driven bevel gear (442) on the adjusting plate (44) through a driving bevel gear (451) to drive the adjusting plate (44) to rotate.