CN219232169U - Biomass fuel and pulverized coal mixing device - Google Patents

Abstract

The utility model discloses a biomass fuel and pulverized coal mixing device, which relates to the technical field of fuel mixing equipment and comprises a first shell, wherein a pair of storage chambers, a premixing chamber and a mixing discharging chamber are arranged in the first shell, the tops of the pair of storage chambers are communicated with one another and provided with a pair of feeding pipes, the bottoms of the pair of first discharging pipes are communicated with one another and are connected with the top of the premixing chamber, the bottoms of the premixing chamber are communicated with one another and provided with a second discharging pipe, and the bottoms of the second discharging pipes are communicated with the top of the mixing discharging chamber; according to the utility model, the falling fuel is dispersed in an umbrella shape through the pair of stirring assemblies, the fuel is primarily mixed, the fuel falling into the mixing discharging chamber is mixed again through the mixing discharging assembly and is conveyed outwards, so that the fuel is fully mixed, the mixing can be continuously carried out without waiting, and the working efficiency is further improved.

Description

Biomass fuel and pulverized coal mixing device

Technical Field

The utility model relates to the technical field of fuel mixing equipment, in particular to a biomass fuel and pulverized coal mixing device.

Background

The biomass fuel is a novel clean fuel which takes biomass materials as fuel and is mainly produced by using agricultural and forestry wastes such as straw, sawdust, bagasse and rice chaff as raw materials and is produced into various shapes (such as blocks, particles and the like) through the processes of crushing, mixing, extrusion, drying and the like.

Along with rising of coal price and response to the 'double carbon' target proposed by the nation, when a unit of a part of coal-fired heat source plants starts to mix and burn biomass fuels such as rice hulls in coal dust, the coal dust needs to be mixed when mixing and burning the biomass fuels, for example, in the patent of the utility model with the publication number of CN208711514U, a biomass fuel and coal mixing and conveying device is disclosed, a rotating column is driven to rotate by a motor, the biomass fuel and coal fall onto a sealing plate, a stirring sheet is driven by the motor to mix the fuels, after the mixing is completed, the sealing plate is opened, the fuels are conveyed outwards through a conveying belt, however, when the device is used, the device needs to mix the fuels on the sealing plate and then open and convey the fuels outwards through the belt, the fuel cannot be continuously mixed, the working efficiency is low, and in addition, the stirring blade cannot sufficiently stir the fuels between the stirring blade and the rotating column when stirring, and the fuel mixing effect is poor, so that the biomass fuel and coal dust mixing device is to be developed urgently.

Disclosure of Invention

According to the biomass fuel and pulverized coal mixing device, the falling fuel is dispersed in an umbrella shape through the pair of stirring assemblies, the fuel is primarily mixed, the fuel falling into the mixing discharging chamber is mixed again through the mixing discharging assembly and is conveyed outwards, the fuel is fully mixed, the mixing can be continuously carried out without waiting, and further the working efficiency is improved.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a biomass fuel and buggy mixing arrangement, includes first casing, be provided with a pair of storage chamber in the first casing, mix chamber and the mixed ejection of compact room in advance, the top intercommunication of a pair of storage chamber is provided with a pair of inlet pipe, and the bottom intercommunication is provided with a pair of first discharging pipe, a pair of the bottom of first discharging pipe is connected with the top intercommunication of mixing chamber in advance, the bottom intercommunication of mixing chamber is provided with the second discharging pipe, the bottom of second discharging pipe is connected with the top intercommunication of mixing ejection of compact room, the discharge gate has been seted up to the one end of mixing ejection of compact room, is provided with a pair of push-pull valve on the first discharging pipe of a pair of, the top of premixing chamber is provided with a pair of electric telescopic handle, a pair of telescopic end and a pair of push-pull valve are connected, the top of premixing chamber inner chamber just corresponds the position of a pair of first discharging pipe and is connected with a pair of driving assembly, the driving assembly can make the fuel be the form and scatter, be provided with a pair of mixing assembly in the mixing ejection of compact chamber, mixing assembly can carry out fuel and outwards carry out.

Preferably, each stirring assembly comprises a second shell, a second driving motor and stirring pieces, the top of the inner cavity of the premixing chamber is connected with a plurality of second connecting rods at positions corresponding to a pair of first discharging pipes, the top of the second shell is respectively connected with the bottom ends of the second connecting rods, a pair of first through holes are formed in the central position of the top of the second shell, the second driving motors are arranged in the second shells, the output ends of the second driving motors penetrate through the first through holes, and the stirring pieces are connected with the output ends of the second driving motors and located between the second connecting rods.

Preferably, each mixing and discharging assembly comprises a third driving motor, a first transmission shaft and a plurality of stirring blades, a pair of second through holes are formed in one side, far away from the discharge hole, of the mixing and discharging chamber, a pair of third driving motors are arranged on the side wall, far away from the discharge hole, of the mixing and discharging chamber, the output ends of the third driving motors penetrate through the pair of second through holes and are connected with the pair of first transmission shafts, the stirring blades are arranged on the pair of first transmission shafts, and the stirring blades can mix fuel and convey the fuel outwards when rotating.

Preferably, a pair of third through holes are formed in the top of the storage chamber, a pair of first driving motors are arranged at the top of the storage chamber, the output ends of the first driving motors vertically penetrate through the third through holes downwards and are connected with a pair of second transmission shafts, a plurality of first connecting rods are connected to the second transmission shafts, and a plurality of scraping plates are connected to one ends, far away from the second transmission shafts, of the connecting rods.

The utility model provides a biomass fuel and pulverized coal mixing device, which has the following beneficial effects:

1. according to the utility model, the falling fuel is dispersed in an umbrella shape through the pair of stirring assemblies, the fuel is primarily mixed, the fuel falling into the mixing discharging chamber is mixed again through the mixing discharging assembly and is conveyed outwards, so that the fuel is mixed more completely, the fuel can be continuously mixed without waiting, and the working efficiency is further improved;

2. when the pair of second driving motors rotate, the output end drives the pair of stirring pieces connected with the stirring pieces to rotate, the stirring pieces are formed by connecting a plurality of rods, and under the action of centrifugal force, the stirring pieces can spread fuel outwards in an umbrella shape through gaps among the plurality of second connecting rods, and the spread biomass fuel and coal dust are mixed, so that the fuel is fully mixed.

Drawings

Fig. 1 is a schematic structural diagram of a biomass fuel and pulverized coal mixing device according to the present utility model.

Fig. 2 is a left side view of a biomass fuel and pulverized coal mixing device according to the present utility model.

Fig. 3 is a schematic structural diagram of a stirring piece of a biomass fuel and pulverized coal mixing device.

In the figure: 1. a first housing; 1-1, a storage chamber; 1-2, a premixing chamber; 1-3, a mixing discharging chamber; 2. a feed pipe; 3. a first driving motor; 4. a first connecting rod; 5. a scraper; 6. an electric telescopic rod; 7. a material stirring piece; 8. a second connecting rod; 9. a second driving motor; 10. a second housing; 11. stirring the leaves; 12. a first drive shaft; 13. a third driving motor; 14. a first discharge pipe; 15. a second discharge pipe; 16. a discharge port; 17. a gate valve; 18. and a second transmission shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, a biomass fuel and pulverized coal mixing device comprises a first shell 1, wherein a pair of storage chambers 1-1, a premixing chamber 1-2 and a mixing discharge chamber 1-3 are arranged in the first shell 1, a pair of feeding pipes 2 are arranged at the top of the pair of storage chambers 1-1 in a communicating manner, a pair of first discharging pipes 14 are arranged at the bottom of the pair of first discharging pipes 14 in a communicating manner, the bottom of the premixing chamber 1-2 is provided with a second discharging pipe 15 in a communicating manner, the bottom of the second discharging pipe 15 is connected with the top of the mixing discharge chamber 1-3 in a communicating manner, a discharge hole 16 is formed at one end of the mixing discharge chamber 1-3, a pair of insert plate valves 17 are arranged on the pair of first discharging pipes 14, a pair of electric telescopic rods 6 are arranged at the top of the premixing chamber 1-2 in a communicating manner, the bottoms of the pair of first discharging pipes 14 are connected with the pair of insert plate valves 17, the top of inner cavities of the premixing chamber 1-2 in a communicating manner and the positions of the pair of first discharging pipes 14 are correspondingly connected with the top of first discharging pipes, the pair of fuel assemblies can be mixed, and the mixing assemblies can be mixed in a mixing assembly can be discharged outwards, and the mixing assembly can be mixed, and the mixing assembly can be discharged outwards, and the mixing assembly can be mixed and discharged; each stirring assembly comprises a second shell 10, a second driving motor 9 and stirring pieces 7, the tops of the inner cavities of the premixing chambers 1-2 are connected with a plurality of second connecting rods 8 at positions corresponding to a pair of first discharging pipes 14, the tops of the pair of second shells 10 are respectively connected with the bottom ends of the plurality of second connecting rods 8, a pair of first through holes are formed in the center positions of the tops of the pair of second shells 10, the pair of second driving motors 9 are arranged in the pair of second shells 10, the output ends of the pair of second driving motors 9 penetrate through the pair of first through holes, and the pair of stirring pieces 7 are connected with the output ends of the pair of second driving motors 9 and are positioned among the plurality of second connecting rods 8; each mixing and discharging assembly comprises a third driving motor 13, a first transmission shaft 12 and a plurality of stirring blades 11, a pair of second through holes are formed in one side, far away from a discharging hole 16, of each mixing and discharging chamber 1-3, a pair of third driving motors 13 are arranged on the side wall, far away from the discharging hole 16, of each mixing and discharging chamber 1-3, the output ends of the pair of third driving motors 13 penetrate through the pair of second through holes and are connected with the pair of first transmission shafts 12, a plurality of stirring blades 11 are arranged on the pair of first transmission shafts 12, and a plurality of stirring blades 11 can mix fuel and convey the fuel outwards when rotating; a pair of third through holes are formed in the top of the storage chamber 1-1, a pair of first driving motors 3 are arranged at the top of the storage chamber 1-1, the output ends of the first driving motors 3 vertically penetrate through the third through holes downwards and are connected with a pair of second transmission shafts 18, a plurality of first connecting rods 4 are connected to the second transmission shafts 18, and a plurality of scraping plates 5 are connected to one ends of the connecting rods, which are far away from the second transmission shafts 18.

The detailed connection means are known in the art, and the following mainly introduces the working principle and process, specifically as follows:

in the utility model, the electric telescopic rod 6, the first driving motor 3, the second driving motor 9 and the third driving motor 13 are all connected with an external electric control system through wires, and the above devices and the connection modes are all in the prior art and are not described in detail herein.

According to the description of fig. 1-3, when the biomass fuel and coal powder are transported into a pair of storage chambers 1-1 respectively by using an external conveyor belt and other devices, a pair of electric telescopic rods 6 arranged at the top of the premixing chamber 1-2 are started, the telescopic ends of the electric telescopic rods 6 drive a pair of gate valves 17 connected with the electric telescopic rods, the gate valves 17 are gradually opened from the state of being blocked by the first discharging pipes 2, so that the fuel can fall into the premixing chamber 1-2 from the storage chambers 1-1 through the first discharging pipes 14, the telescopic quantity of the corresponding electric telescopic rods 6 is adjusted according to the mixing proportion of the biomass fuel and the coal powder, the fuel quantity entering the premixing chamber 1-2 is controlled, a pair of stirring assemblies are started at the top of the inner cavity of the premixing chamber 1-2 and positioned at the bottoms of a pair of first discharging pipes 14, the stirring assemblies spread fuel falling corresponding to the first discharging pipes 14 in an umbrella shape, the biomass fuel and coal dust falling respectively from the pair of first discharging pipes 14 are primarily mixed, the primarily mixed fuel falls into the mixing discharging chamber 1-3 through a second discharging pipe 15, and finally, a pair of mixing discharging assemblies in the mixing discharging chamber 1-3 are started to mix the biomass fuel and the coal dust again and convey the biomass fuel and the coal dust outwards; according to the utility model, the falling fuel is dispersed in an umbrella shape through the pair of stirring assemblies, the fuel is primarily mixed, the fuel falling into the mixing discharging chambers 1-3 is mixed again through the mixing discharging assemblies and is conveyed outwards, so that the fuel is mixed more completely, the fuel can be continuously mixed without waiting, and the working efficiency is further improved.

In one implementation possibility, each stirring assembly comprises a second shell 10, a second driving motor 9 and stirring pieces 7, the top of the inner cavity of the premixing chamber 1-2 is connected with a plurality of second connecting rods 8 corresponding to the positions of a pair of first discharging pipes 14, the top of the pair of second shells 10 is respectively connected with the bottom ends of the plurality of second connecting rods 8, a pair of first through holes are formed in the center position of the top of the pair of second shells 10, the pair of second driving motors 9 are arranged in the pair of second shells 10, the output ends of the pair of second driving motors 9 penetrate through the pair of first through holes, the pair of stirring pieces 7 are connected with the output ends of the pair of second driving motors 9 and are positioned among the plurality of second connecting rods 8, when the pair of second driving motors 9 rotate, the output ends of the stirring pieces 7 drive the pair of stirring pieces 7 connected with the second driving motors to rotate, the stirring pieces 7 are formed by connecting the plurality of rods, under the action of centrifugal force, the stirring pieces 7 can outwards umbrella-scatter fuel through gaps among the plurality of second connecting rods 8, and the scattered biomass fuel and pulverized coal are mixed fully.

In one implementation possibility, each mixing and discharging assembly comprises a third driving motor 13, a first transmission shaft 12 and a plurality of stirring blades 11, a pair of second through holes are formed in one side, far away from the discharging hole 16, of the mixing and discharging chamber 1-3, a pair of third driving motors 13 are arranged on the side wall, far away from the discharging hole 16, of the mixing and discharging chamber 1-3, the output ends of the pair of third driving motors 13 penetrate through the pair of second through holes and are connected with the pair of first transmission shafts 12, the plurality of stirring blades 11 are arranged on the pair of first transmission shafts 12, when the pair of third driving motors 13 rotate, the output ends of the third driving motors 13 drive the first transmission shafts 12 connected with the third driving motors to rotate, the first transmission shafts 12 drive the plurality of stirring blades 11 connected with the first transmission shafts to rotate, the plurality of stirring blades 11 are spiral, a certain gap is formed between the stirring blades, and when the pair of first transmission shafts 12 drive the plurality of stirring blades 11 to rotate, fuel can be mixed again and conveyed outwards, so that the mixing effect is improved.

In one implementation possibility, a pair of third through holes are formed in the top of the pair of storage chambers 1-1, a pair of first driving motors 3 are arranged at the top of the pair of storage chambers 1-1, the output ends of the pair of first driving motors 3 vertically penetrate through the pair of third through holes downwards and are connected with a pair of second transmission shafts 18, a plurality of first connecting rods 4 are connected to the pair of second transmission shafts 18, one ends of the plurality of connecting rods, far away from the second transmission shafts 18, are connected with a plurality of scraping plates 5, when the pair of first driving motors 3 rotate, the output ends of the first driving motors 3 drive the second transmission shafts 18 connected with the first connecting rods 4 to rotate, and when the plurality of first connecting rods 4 rotate, the plurality of scraping plates 5 connected with the second driving motors rotate, so that fuel can smoothly fall from the storage chambers when being mixed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a biomass fuel and buggy mixing arrangement, includes first casing (1), its characterized in that, be provided with a pair of storage chamber (1-1) in first casing (1), premix room (1-2) and mix ejection of compact room (1-3), the top intercommunication of a pair of storage chamber (1-1) is provided with a pair of inlet pipe (2), and the bottom intercommunication is provided with a pair of first discharging pipe (14), a pair of the bottom of first discharging pipe (14) and the top intercommunication of premix room (1-2) are connected, the bottom intercommunication of premix room (1-2) is provided with second discharging pipe (15), the bottom of second discharging pipe (15) and the top intercommunication of mix ejection of compact room (1-3) are connected, discharge gate (16) have been seted up to the one end of mix ejection of compact room (1-3), be provided with a pair of push-pull valve (17) on a pair of first discharging pipe (14), the top of premix room (1-2) is provided with a pair of electric telescopic handle (6), a pair of electric handle (6) and a pair of push-pull valve (17) are connected with the top of mix ejection of fuel assembly (1-3) and are provided with a pair of telescopic assembly in the top of mix ejection of compact room (1-3) and are connected, the mixing and discharging assembly can mix and convey fuel outwards.

2. The biomass fuel and pulverized coal mixing device according to claim 1, wherein each stirring assembly comprises a second shell (10), a second driving motor (9) and stirring pieces (7), a plurality of second connecting rods (8) are connected to the top of the inner cavity of the premixing chamber (1-2) and correspond to the positions of a pair of first discharging pipes (14), the top of the second shell (10) is respectively connected with the bottom ends of the second connecting rods (8), a pair of first through holes are formed in the center positions of the top of the second shell (10), the second driving motors (9) are arranged in the second shells (10) and the output ends of the stirring pieces (7) penetrate through the first through holes, and the stirring pieces (7) are connected with the output ends of the second driving motors (9) and are located between the second connecting rods (8).

3. The biomass fuel and pulverized coal mixing device according to claim 1, wherein each mixing and discharging assembly comprises a third driving motor (13), a first transmission shaft (12) and a plurality of stirring blades (11), a pair of second through holes are formed in one side, far away from a discharging hole (16), of each mixing and discharging chamber (1-3), the third driving motor (13) is arranged on the side wall, far away from the discharging hole (16), of each mixing and discharging chamber (1-3), the output ends of the third driving motors (13) penetrate through the pair of second through holes and are connected with the pair of first transmission shafts (12), the stirring blades (11) are arranged on the pair of first transmission shafts (12), and the stirring blades (11) can mix fuel and convey the fuel outwards when rotating.

4. The biomass fuel and pulverized coal mixing device according to claim 1, wherein a pair of third through holes are formed in the tops of the pair of storage chambers (1-1), a pair of first driving motors (3) are arranged at the tops of the pair of storage chambers (1-1), the output ends of the pair of first driving motors (3) vertically penetrate through the pair of third through holes downwards and are connected with a pair of second transmission shafts (18), a plurality of first connecting rods (4) are connected to the pair of second transmission shafts (18), and a plurality of scraping plates (5) are connected to one ends, far away from the second transmission shafts (18), of the plurality of connecting rods.

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