CN211260781U - Automatic coal feeding device for fluidized bed boiler - Google Patents

Automatic coal feeding device for fluidized bed boiler Download PDF

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Publication number
CN211260781U
CN211260781U CN201921251933.2U CN201921251933U CN211260781U CN 211260781 U CN211260781 U CN 211260781U CN 201921251933 U CN201921251933 U CN 201921251933U CN 211260781 U CN211260781 U CN 211260781U
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China
Prior art keywords
fluidized bed
weighing
bed boiler
electric telescopic
rotating shaft
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CN201921251933.2U
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Chinese (zh)
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刘广清
魏勇
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Henan Yuyuan Boiler Machinery Co ltd
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Henan Yuyuan Boiler Machinery Co ltd
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Abstract

The utility model discloses an automatic coal feeding device for a fluidized bed boiler, which comprises a material containing hopper, wherein the lower end of the material containing hopper is connected with a feed inlet at the upper side of the right end of a feed pipe through a short pipe, the center of the right end inside the feed pipe is connected with a rotating shaft through a bearing, a spiral discharging blade is arranged at the outer side of the rotating shaft, the right end of the feed pipe is connected with a motor through a bolt, coal can be contained through the material containing hopper, the rotating shaft can be driven to rotate through the motor, the spiral discharging blade can be driven to rotate through the rotating shaft, discharging is more convenient through the spiral discharging blade, the coal can be supported through a weighing inclined plate, the weighing inclined plate can be driven to move up and down through an electric telescopic rod, the coal can be guided into the boiler through a discharging groove, the automatic coal feeding device for the fluidized bed boiler has simple structure and, can meet the requirements of people and provide convenience for people.

Description

Automatic coal feeding device for fluidized bed boiler
Technical Field
The utility model relates to a fluidized bed boiler technical field specifically is an automatic coal feeding device for fluidized bed boiler.
Background
Relation between primary frequency modulation effect and main steam pressure: if the main steam pressure is too low, the main steam pressure is not enough to support the increase of the power generation load, and if the main steam pressure is too high, the power generation load is difficult to reduce, and the main steam pressure is also influenced by the heat supply flow. The main steam pressure is determined by the coal supply quantity and the coal quality, so the coal supply quantity change has great influence on the primary frequency modulation effect, but due to the characteristics of the circulating fluidized bed boiler, the coal supply quantity of the existing device cannot be controlled, the precise agent adjustment cannot be realized, the requirements of people cannot be met, and a lot of inconvenience is brought to people.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an automatic coal feeding device for fluidized bed boiler, simple structure, it is easy and simple to handle, not only make the unloading more convenient, can weigh the coal moreover, can satisfy people's demand, provide convenience for people, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic coal feeding device for a fluidized bed boiler comprises a material containing hopper, wherein the lower end of the material containing hopper is connected with a feed inlet at the upper side of the right end of a feeding pipe through a short pipe, the center of the inner right end of the feeding pipe is connected with a rotating shaft through a bearing, a spiral discharging blade is arranged at the outer side of the rotating shaft, the right end of the feeding pipe is connected with a motor through a bolt, an output shaft of the motor is connected with one end of the rotating shaft, a discharging groove is welded at the left end of the feeding pipe, a through groove is arranged at the lower surface of the discharging groove, a material weighing shell with a vertical structure is welded at the lower end of the through groove, an electric telescopic rod is connected at the bottom surface of the inner part of the material weighing shell through a bolt, a lower end connecting plate is connected at the telescopic end of the electric telescopic rod through a bolt, a weighing device is arranged, the welding of both sides has the supporting leg around the hopper, and one side of supporting leg is equipped with the PLC controller, and external power source and the output of weighing the ware are connected to the input electricity of PLC controller, and the output electricity of PLC controller connects motor and electric telescopic handle's input.
As an optimal technical scheme of the utility model, the supporting leg is L type structure to the lower extreme welding of supporting leg has the support sole, and the lower surface of support sole is equipped with anti-skidding line.
As an optimal technical scheme of the utility model, one side of supporting leg is equipped with the time-recorder, and the input of PLC controller is connected to the output electricity of time-recorder.
As an optimal technical scheme of the utility model, be equipped with 30 degrees oblique angles between the upper surface of conveying pipe and containing hopper, and the axis of conveying pipe is located the coplanar with the central line of groove of falling.
As a preferred technical scheme of the utility model, electric telescopic handle's number is two, and two electric telescopic handle are located both sides around the lower surface of lower extreme connecting plate respectively.
Compared with the prior art, the beneficial effects of the utility model are that: this automatic coal feeding device for fluidized bed boiler has set up the hopper on, can hold the coal through the hopper, and can drive the pivot through the motor and rotate, can drive spiral unloading leaf through the pivot and rotate, it is more convenient to make the unloading through spiral unloading leaf, can support the coal through the swash plate of weighing, can drive the swash plate of weighing through electric telescopic handle and reciprocate, can channel into the boiler with the coal through the groove of pouring, this automatic coal feeding device for fluidized bed boiler simple structure, and is easy and simple to handle, not only make the unloading more convenient, and can weigh the coal, can satisfy people's demand, it is convenient to provide for people.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the cross-sectional structure of the present invention.
In the figure: the automatic feeding device comprises a feeding pipe 1, a material pouring groove 2, a material weighing shell 3, a timer 4, supporting legs 5, a PLC 6, a motor 7, a material containing hopper 8, a lower end connecting plate 9, a rotating shaft 10, a spiral discharging blade 11, a weighing inclined plate 12, a supporting plate 13, a weighing device 14 and an electric telescopic rod 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an automatic coal feeding device for a fluidized bed boiler comprises a material containing hopper 8, the lower end of the material containing hopper 8 is connected with a feed inlet at the upper side of the right end of a feed pipe 1 through a short pipe, the center of the right end inside the feed pipe 1 is connected with a rotating shaft 10 through a bearing, a spiral discharging blade 11 is arranged at the outer side of the rotating shaft 10, the right end of the feed pipe 1 is connected with a motor 7 through a bolt, an output shaft of the motor 7 is connected with one end of the rotating shaft 10, a material pouring groove 2 is welded at the left end of the feed pipe 1, a through groove is arranged at the lower surface of the material pouring groove 2, a material weighing shell 3 with a vertical structure is welded at the lower end of the through groove, an electric telescopic rod 15 is connected at the bottom surface inside of the material weighing shell 3 through a bolt, a lower end connecting plate 9 is connected at the telescopic end of the electric telescopic rod 15 through a bolt, the weighing inclined plate 12 is parallel to the inner bottom surface of the material pouring groove 2, coal can be contained through the material containing hopper 8, the rotating shaft 10 can be driven to rotate through the motor 7, the spiral discharging blade 11 can be driven to rotate through the rotating shaft 10, discharging is more convenient through the spiral discharging blade 1, the coal can be supported through the weighing inclined plate 12, the weighing inclined plate 12 can be driven to move up and down through the electric telescopic rod 15, the coal can be guided into a boiler through the material pouring groove 2, the supporting legs 5 are welded on the front side and the rear side of the material containing hopper 8, one side of each supporting leg 5 is provided with the PLC 6, the input end of the PLC 6 is electrically connected with an external power supply and the output end of the weighing device 14, the output end of the PLC 6 is electrically connected with the input ends of the motor 7 and the electric telescopic rod 15, the supporting legs 5 are of an L-shaped structure, supporting feet are, the device can be supported through the supporting legs 5, so that the supporting is firmer, one side of each supporting leg 5 is provided with the timer 4, the output end of the timer 4 is electrically connected with the input end of the PLC controller 6, the model of the PLC controller 6 is Siemens S7-1200, the mode that the PLC controller 6 controls the timer 4, the weighing device 14, the electric telescopic rods 15 and the motor 7 is a common method in the prior art, the time can be timed through the timer 4, so that the materials can be fed regularly, a 30-degree oblique angle is arranged between the feeding pipe 1 and the upper surface of the material containing hopper 8, the axis of the feeding pipe 1 and the central line of the material pouring groove 2 are positioned on the same plane, the number of the electric telescopic rods 15 is two, the two electric telescopic rods 15 are respectively positioned at the front side and the rear side of the lower surface of the lower end connecting plate 9, and the two electric telescopic rods 15 are, the automatic coal feeding device for the fluidized bed boiler is simple in structure and easy and convenient to operate, not only enables discharging to be more convenient, but also can weigh coal, can meet the requirements of people, and provides convenience for people.
When in use: coal can be contained through the material containing hopper 8, the motor 7 can drive the rotating shaft 10 to rotate, the rotating shaft 10 can drive the spiral discharging blade 11 to rotate, discharging is more convenient through the spiral discharging blade 1, the coal can be supported through the weighing inclined plate 12, the coal can be weighed through the weighing device 14, detected data are sent to the interior of the PLC controller 6 through the weighing device 14, the motor 7 is controlled to stop working through the PLC controller 6, the weighing inclined plate 12 can be driven to move up and down through the electric telescopic rod 15, the coal can be guided into the boiler through the material pouring chute 2, time can be timed through the timer 4, when set time is reached, a detected signal is sent to the interior of the PLC controller 6 through the timer 4, the electric telescopic rod 15 is controlled through the PLC controller 6 to drive the lower end connecting plate 9 to move downwards, the coal is thereby pushed into the chute 2 by the inclined weighing plate 12, and is thereby fed.
The utility model discloses a containing hopper 8 can hold the coal, and can drive pivot 10 through motor 7 and rotate, can drive spiral unloading leaf 11 through pivot 10 and rotate, it is more convenient to make the unloading through spiral unloading leaf 1, can support the coal through swash plate 12 of weighing, can drive swash plate 12 of weighing through electric telescopic handle 15 and reciprocate, can channel into the boiler with the coal through material pouring groove 2, this automatic coal feeding device for fluidized bed boiler simple structure, and is simple and convenient to operate, not only make the unloading more convenient, and can weigh the coal, can satisfy people's demand, it is convenient to provide for people.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a fluidized bed boiler is with automatic coal feeding device, includes hopper (8), its characterized in that: the lower end of the material containing hopper (8) is connected with a feed inlet at the upper side of the right end of the feeding pipe (1) through a short pipe, the center of the right end inside the feeding pipe (1) is connected with a rotating shaft (10) through a bearing, a spiral discharging blade (11) is arranged at the outer side of the rotating shaft (10), the right end of the feeding pipe (1) is connected with a motor (7) through a bolt, an output shaft of the motor (7) is connected with one end of the rotating shaft (10), a discharging groove (2) is welded at the left end of the feeding pipe (1), a through groove is arranged at the lower surface of the discharging groove (2), a material weighing shell (3) with a vertical structure is welded at the lower end of the through groove, an electric telescopic rod (15) is connected with the bottom surface inside the material shell (3) through a bolt, a telescopic end of the electric telescopic rod (15) is connected, the upper surface of ware (14) of weighing is equipped with backup pad (13), and the upper surface of backup pad (13) is connected with the swash plate (12) of weighing through the support column, and the swash plate (12) of weighing is parallel to each other with the inside bottom surface of pouring chute (2), both sides welding has supporting leg (5) around holding hopper (8), and one side of supporting leg (5) is equipped with PLC controller (6), and the output of external power source and ware (14) of weighing is connected to the input electricity of PLC controller (6), the input of the output electric connecting motor (7) and electric telescopic handle (15) of PLC controller (6).
2. The automatic coal feeding apparatus for a fluidized bed boiler according to claim 1, wherein: the supporting legs (5) are of L-shaped structures, supporting foot plates are welded at the lower ends of the supporting legs (5), and anti-skid grains are arranged on the lower surfaces of the supporting foot plates.
3. The automatic coal feeding apparatus for a fluidized bed boiler according to claim 1, wherein: one side of supporting leg (5) is equipped with time-recorder (4), and the input of PLC controller (6) is connected to the output electricity of time-recorder (4).
4. The automatic coal feeding apparatus for a fluidized bed boiler according to claim 1, wherein: and a 30-degree oblique angle is formed between the feeding pipe (1) and the upper surface of the material containing hopper (8), and the axis of the feeding pipe (1) and the central line of the material pouring groove (2) are positioned on the same plane.
5. The automatic coal feeding apparatus for a fluidized bed boiler according to claim 1, wherein: the number of the electric telescopic rods (15) is two, and the two electric telescopic rods (15) are respectively positioned on the front side and the rear side of the lower surface of the lower end connecting plate (9).
CN201921251933.2U 2019-08-05 2019-08-05 Automatic coal feeding device for fluidized bed boiler Active CN211260781U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921251933.2U CN211260781U (en) 2019-08-05 2019-08-05 Automatic coal feeding device for fluidized bed boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921251933.2U CN211260781U (en) 2019-08-05 2019-08-05 Automatic coal feeding device for fluidized bed boiler

Publications (1)

Publication Number Publication Date
CN211260781U true CN211260781U (en) 2020-08-14

Family

ID=71961177

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921251933.2U Active CN211260781U (en) 2019-08-05 2019-08-05 Automatic coal feeding device for fluidized bed boiler

Country Status (1)

Country Link
CN (1) CN211260781U (en)

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