CN220200750U

CN220200750U - Automatic feeding device for thermal power generation boiler

Info

Publication number: CN220200750U
Application number: CN202322103014.3U
Authority: CN
Inventors: 王伟; 徐海文; 兰永胜
Original assignee: Huaneng Xindian Power Generation Co ltd
Current assignee: Huaneng Xindian Power Generation Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2023-12-19
Anticipated expiration: 2033-08-07

Abstract

The utility model discloses an automatic feeding device for a thermal power generation boiler, which comprises a guide rail, wherein a feeding box capable of reciprocating along the length direction of the guide rail is arranged on the guide rail, a driving mechanism for driving the feeding box to move is arranged on the guide rail, a collecting box is arranged at the middle part of the back of the guide rail through a fixing frame, a receiving pipe communicated with an inner cavity of the collecting box is arranged at one side of the top end of the collecting box, a control valve is arranged on the receiving pipe, and discharging pipes distributed corresponding to the receiving pipe are arranged at the bottom of the collecting box. This an automatic feeding device for thermal power boiler, through the cooperation between control valve, the first baffle in the case that gathers materials on the receiving pipe, and because the capacity size of collection case is invariable, so can guarantee the ration feed, and through the adjustable collection case of the position of adjusting the push pedal in the case inner chamber that gathers materials holds the space size of fuel, further improved the practicality of device.

Description

Automatic feeding device for thermal power generation boiler

Technical Field

The utility model belongs to the technical field of thermal power generation, and particularly relates to an automatic feeding device for a thermal power generation boiler.

Background

A thermal power plant is a thermal power plant for short, and is a plant for producing electric energy by using combustible materials (such as coal) as fuel. The basic production process is as follows: the fuel heats water to generate steam when being combusted, chemical energy of the fuel is converted into heat energy, steam pressure pushes the steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives the generator to rotate, so that the mechanical energy is converted into electric energy.

The existing feeding device of the thermal power generation boiler can not realize quantitative feeding of fuel, and the phenomenon that the fuel is accumulated and blocked due to excessive conveying is easy to occur, so that the use of the device is affected.

Disclosure of Invention

The utility model aims to provide an automatic feeding device for a thermal power generation boiler, which aims to solve the technical problems in the background technology.

In order to achieve the above purpose, the specific technical scheme of the utility model is as follows: the utility model provides an automatic feeding device for thermal power boiler, includes the guide rail, be provided with on the guide rail and follow its length direction reciprocating motion's feeding box, just be provided with the actuating mechanism who is used for driving the feeding box and remove on the guide rail, the collection box is installed through the mount to the back middle part of guide rail, top one side of collection box is provided with the receiving pipe that is linked together rather than the inner chamber, be provided with the control valve on the receiving pipe, the bottom of collection box is provided with the unloading pipe that corresponds the distribution with the receiving pipe, the junction of collection box and unloading pipe is provided with rather than sliding connection's first baffle, the one end of first baffle extends to the outside of collection box and is provided with the third cylinder, the lateral wall fixed connection of third cylinder through support and collection box, the inner chamber of collection box is provided with the push pedal that can follow its length direction progress and remove, the one end of collection box is installed first cylinder through the support, the piston rod tip of first cylinder extends to the inner chamber of collection box and with the middle part fixed connection on the push pedal surface.

Preferably, the bottom both sides of guide rail all are provided with the support frame, the support frame is L type structure.

Preferably, a discharging opening is arranged at the middle part of the inner cavity of the discharging pipe, and the discharging opening is of a conical structure with a large top and a small bottom.

Preferably, the size of the pushing plate is identical with the size of the inner cavity of the material collecting box, the two sides of the back of the pushing plate are respectively provided with a limiting rod extending to the outer side of the material collecting box, and the end part of the material collecting box is provided with two limiting holes in sliding connection with the limiting rods.

Preferably, the feeding box is of a cavity structure with an open top, the top end of the feeding box and the bottom of the discharging pipe are correspondingly distributed, an inclined surface inclined towards the middle is arranged on the inner wall of the feeding box, the bottom of the feeding box is located at a second baffle plate in sliding connection with the discharge hole, one end of the second baffle plate extends to the outer side of the feeding box and is connected with a second cylinder, and the second cylinder is fixedly connected with the side wall of the feeding box through a support.

Preferably, the driving mechanism comprises a motor fixedly connected with one end of the guide rail, a mounting groove is formed in the middle of the side wall of the guide rail along the length direction of the side wall of the guide rail, a screw rod is rotatably connected in the mounting groove through a bearing, one end of the screw rod is connected with a shaft part of the motor, sliding grooves are formed in the upper side and the lower side of the guide rail along the length direction of the guide rail, a movable plate is arranged on the back of the feeding box, a threaded hole in threaded connection with the screw rod is formed in the middle of the back of the movable plate, and two sliding blocks in sliding connection with the two sliding grooves are arranged on the movable plate.

The automatic feeding device for the thermal power generation boiler has the following advantages:

1. this an automatic feeding device for thermal power boiler, through the cooperation between control valve, the first baffle in the case that gathers materials on the receiving pipe, and because the capacity size of collection case is invariable, so can guarantee the ration feed, and through the adjustable collection case of the position of adjusting the push pedal in the case inner chamber that gathers materials holds the space size of fuel, further improved the practicality of device.

2. This an automatic feeding device for thermal power boiler through the starter motor for the lead screw rotates, under the cooperation between screw hole, slider and spout, makes the fly leaf drive the feed case and removes, thereby makes the feed case reciprocating motion between the pan feeding mouth of unloading pipe and boiler, is favorable to realizing the automation material loading to the boiler.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic diagram of the structure of the material collecting box in the utility model;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a schematic diagram of a feed bin in accordance with the present utility model;

FIG. 5 is a right side view of FIG. 4;

the figure indicates: 1. a guide rail; 2. a support frame; 3. a mounting groove; 4. a screw rod; 5. a chute; 6. a motor; 7. a material collecting box; 8. a material receiving pipe; 9. a control valve; 10. discharging pipes; 11. a first cylinder; 12. a limit rod; 13. a feed box; 14. a second cylinder; 15. a third cylinder; 16. a push plate; 17. a first baffle; 18. a feed opening; 19. a second baffle; 20. a movable plate; 21. a threaded hole; 22. a sliding block.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In order to better understand the purpose, structure and function of the present utility model, the following describes in further detail an automatic feeding device for a thermal power generation boiler according to the present utility model with reference to the accompanying drawings.

As shown in fig. 1-5, the automatic feeding device for the thermal power generation boiler comprises a guide rail 1, wherein support frames 2 are arranged on two sides of the bottom of the guide rail 1, the support frames 2 are of an L-shaped structure, and good supporting effects are achieved on the guide rail 1 through the arrangement of the support frames 2. The guide rail 1 is provided with a feeding box 13 capable of reciprocating along the length direction of the feeding box 13, the feeding box 13 is of a cavity structure with an open top end, the top end of the feeding box 13 is distributed corresponding to the bottom of the blanking pipe 10, the inner wall of the feeding box 13 is provided with a slope inclined towards the middle, the bottom of the feeding box 13 is located at a second baffle 19 in sliding connection with a discharge hole, one end of the second baffle 19 extends to the outer side of the feeding box 13 and is connected with a second cylinder 14, the second cylinder 14 is fixedly connected with the side wall of the feeding box 13 through a bracket, when fuel in the feeding box 13 needs to be fed into the feed hole of a boiler, the second cylinder 14 is started, the second baffle 19 is pulled by the second cylinder 14, and accordingly the discharge hole of the feeding box 13 is exposed, so that the fuel in the feeding box 13 falls into the feed hole of the boiler, and the fuel in the feeding box 13 is beneficial to completely falling out under the action of the slope. And be provided with the actuating mechanism who is used for driving feed box 13 to remove on the guide rail 1, actuating mechanism includes motor 6 with guide rail 1 one end fixed connection, guide rail 1's lateral wall middle part is provided with mounting groove 3 along its length direction, be connected with lead screw 4 through the bearing rotation in the mounting groove 3, the one end and the axial region of motor 6 are connected, guide rail 1's upper and lower both sides are provided with spout 5 along its length direction, feed box 13's back is provided with fly leaf 20, fly leaf 20's back middle part is provided with screw hole 21 with lead screw 4 threaded connection, and be provided with two sliders 22 with two spouts 5 sliding connection on fly leaf 20, through starting motor 6, make lead screw 4 rotate, under the cooperation between screw hole 21, slider 22 and spout 5, make fly leaf 20 drive feed box 13 and remove, thereby make feed box 13 reciprocating motion between feed pipe 10 and the pan feeding mouth of boiler, be favorable to realizing the automation material loading to the boiler.

The utility model discloses a limit and stop device for the fuel, including guide rail 1, the material collecting box 7 is installed through the mount in the back middle part, material receiving pipe 8 rather than the inner chamber is linked together is provided with to top one side of material collecting box 7, be provided with control valve 9 on material receiving pipe 8, the bottom of material collecting box 7 is provided with the unloading pipe 10 that distributes with material receiving pipe 8 correspondence, the inner chamber middle part of unloading pipe 10 is provided with feed opening 18, and feed opening 18 is the conical structure that top is big, the bottom is little, through the setting of feed opening 18, be favorable to the fuel in the material collecting box 7 to drop to the inner chamber of feeder box 13, the junction of material collecting box 7 and unloading pipe 10 is provided with rather than sliding connection's first baffle 17, the one end of first baffle 17 extends to the outside of material collecting box 7 and is provided with third cylinder 15, third cylinder 15 passes through the lateral wall fixed connection of support and material collecting box 7, the inner chamber of material collecting box 7 is provided with push pedal 16 that can follow its length direction progress to remove, the one end of material collecting box 7 is provided with first cylinder 11 through the support mounting, the piston rod tip of first cylinder 11 extends to the inner chamber of material collecting box 7 and is fixedly connected with push pedal 16 surface middle part fixed connection, the size of material collecting box 16, the fuel in the side of the material collecting box 7 is favorable to drop box 16 is good to the size of the material collecting box, and the size of the cylinder 16 is connected to the side of the material collecting box 16 is realized through the side of the push pedal 16, the upper limit and the limit and stop device is provided with a limit and stop device is more than the limit and side 12, the limit and stop device is favorable to the limit and stop device is moved to the limit and is connected to the limit and stop device.

The working principle is as follows: when the device is used, the first baffle plate 17 is closed firstly, the control valve 9 is opened, fuel enters the material collecting box 7 through the material receiving pipe 8, then the control valve 9 is closed, the first baffle plate 17 is opened, the fuel in the material collecting box 7 can fall into the material feeding box 13, the first cylinder 11 is started, the first cylinder 11 pushes the push plate 16 to move, the push plate 16 pushes the fuel, the fuel is beneficial to falling from the material discharging opening 18, the motor 6 is started again, the movable plate 20 drives the material feeding box 13 to move to the position above the material feeding opening of the boiler, the second baffle plate 19 is opened, the fuel in the material feeding box 13 completely falls into the material feeding opening of the boiler at the moment, the quantitative feeding can be ensured because the capacity of the material collecting box 7 is constant, and the space size of the material collecting box 7 for accommodating the fuel can be adjusted by adjusting the position of the push plate 16 in the cavity of the material collecting box 7, so that the practicability of the device is further improved.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. An automatic feeding device for thermal power boiler, its characterized in that: including guide rail (1), be provided with on guide rail (1) can follow its length direction reciprocating motion's feeder pillar (13), just be provided with on guide rail (1) and be used for driving the actuating mechanism that feeder pillar (13) removed, collection box (7) are installed through the mount in the back middle part of guide rail (1), the top one side of collection box (7) is provided with material receiving pipe (8) rather than the inner chamber is linked together, be provided with control valve (9) on material receiving pipe (8), the bottom of collection box (7) is provided with unloading pipe (10) that correspond to distribute with material receiving pipe (8), the junction of collection box (7) and unloading pipe (10) is provided with first baffle (17) rather than sliding connection, the one end of first baffle (17) extends to the outside of collection box (7) and is provided with third cylinder (15), the lateral wall fixed connection of third cylinder (15) through support and collection box (7), the inner chamber of collection box (7) is provided with push pedal (16) that can follow its length direction and remove, collection box (7) and the one end of collection box (7) extend to the fixed surface of a cylinder (11) through support (11).

2. An automatic feeding apparatus for a thermal power generation boiler according to claim 1, wherein: the guide rail is characterized in that supporting frames (2) are arranged on two sides of the bottom of the guide rail (1), and the supporting frames (2) are of L-shaped structures.

3. An automatic feeding apparatus for a thermal power generation boiler according to claim 1, wherein: the blanking pipe (10) is characterized in that a blanking opening (18) is formed in the middle of the inner cavity of the blanking pipe (10), and the blanking opening (18) is of a conical structure with a large top and a small bottom.

4. An automatic feeding apparatus for a thermal power generation boiler according to claim 1, wherein: the size of the push plate (16) is identical with the size of the inner cavity of the material collecting box (7), limiting rods (12) extending to the outer side of the material collecting box (7) are arranged on two sides of the back of the push plate (16), and two limiting holes in sliding connection with the limiting rods (12) are formed in the end portion of the material collecting box (7).

5. An automatic feeding apparatus for a thermal power generation boiler according to claim 1, wherein: the feeding box (13) is of a cavity structure with an open top, the top end of the feeding box (13) is correspondingly distributed with the bottom of the blanking pipe (10), an inclined surface inclined towards the middle is arranged on the inner wall of the feeding box (13), the bottom of the feeding box (13) is located at a second baffle (19) in sliding connection with a discharge hole, one end of the second baffle (19) extends to the outer side of the feeding box (13) and is connected with a second cylinder (14), and the second cylinder (14) is fixedly connected with the side wall of the feeding box (13) through a support.

6. An automatic feeding apparatus for a thermal power generation boiler according to claim 1, wherein: the driving mechanism comprises a motor (6) fixedly connected with one end of a guide rail (1), a mounting groove (3) is formed in the middle of the side wall of the guide rail (1) along the length direction of the side wall, a screw rod (4) is rotatably connected in the mounting groove (3) through a bearing, one end of the screw rod (4) is connected with the shaft part of the motor (6), sliding grooves (5) are formed in the upper side and the lower side of the guide rail (1) along the length direction of the guide rail, a movable plate (20) is arranged on the back of a feeding box (13), threaded holes (21) in threaded connection with the screw rod (4) are formed in the middle of the back of the movable plate (20), and two sliding blocks (22) in sliding connection with the two sliding grooves (5) are arranged on the movable plate (20).