Coal dropping pipe of power plant boiler
By introducing anti-blocking and material conveying structures into the coal chute, and utilizing air pump blowing and auger blade rotation, the problems of coal chute blockage and adhesion were solved, achieving efficient operation and uniform material discharge of the power plant boiler.
Patent Information
- Application Number
- CN202423134673.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing coal chutes are prone to clogging when a large amount of coal is discharged at the same time, and the coal tends to stick to the inner wall, resulting in reduced boiler efficiency and difficulty in discharging coal.
A coal chute for a power plant boiler, comprising an anti-blocking structure and a material conveying structure, was designed. The anti-blocking structure prevents blockage by blowing air onto the inner wall with an air pump and an inclined tube, while the material conveying structure achieves stable material discharge by driving auger blades with a motor.
It effectively prevents coal from clogging in the coal chute, ensures boiler efficiency, achieves uniform and stable discharge, and avoids discharge difficulties caused by adhesion.
Smart Images
Figure CN223755399U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to coal falling pipe technical field, concretely relates to a power plant boiler coal falling pipe. BACKGROUND
[0002] Coal falling pipe is the general term of coal, port, thermal power, coal transfer station, coal washing plant, coal-fired industrial boiler and other industries coal conveying pipeline. Coal falling pipe generally includes coal falling hopper, descending pipe, flow guide groove and other components. Longer coal falling pipe also needs to increase air lock to reduce dust. When shunting, shunting flap door and other components are also needed to be increased.
[0003] The existing coal falling pipe will be blocked in the coal falling pipe due to the reasons such as too much coal falling at the same time, electrostatic adsorption between coal and pipe wall and the like in actual use process, which reduces the use efficiency of power plant boiler, and the coal material is easy to stick to the inner wall of the coal falling pipe when discharging, which leads to difficult discharge. Therefore, the utility model provides a power plant boiler coal falling pipe. UTILITY MODEL CONTENTS
[0004] In order to overcome the above technical problems, the utility model aims at providing a power plant boiler coal falling pipe to solve the problem of the existing coal falling pipe in the background art, which is blocked in the coal falling pipe due to the reasons such as too much coal falling at the same time, wet coal and the like in actual use process, which reduces the use efficiency of power plant boiler, and the coal material is easy to stick to the inner wall of the coal falling pipe when discharging, which leads to uneven discharge.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a power plant boiler coal falling pipe, including coal falling hopper, the bottom of the coal falling hopper is fixedly connected with coal falling vertical pipe, the surface of the coal falling vertical pipe is fixedly connected with support frame, the surface of the support frame is provided with anti-blocking structure, the anti-blocking structure includes air pump, the output end of the air pump is fixedly connected with gas pipe, the surface of the gas pipe is fixedly connected with inclined pipe, the surface of the inclined pipe is fixedly connected with five groups of connecting pipes, the surface of the connecting pipe is fixedly connected with baffle, one side surface of the support frame is fixedly connected with control panel, the bottom of the support frame is fixedly connected with four groups of supporting legs, the bottom of the coal falling vertical pipe is provided with material conveying structure, the material conveying structure includes material conveying pipe, the surface of the material conveying pipe is fixedly connected with motor, the output end of the motor is fixedly connected with rotating shaft, the surface of the rotating shaft is fixedly connected with auger blade, the side of the material conveying pipe away from the motor is provided with discharge port.
[0006] Preferably, the inclined pipe and the coal falling vertical pipe penetrate through the support frame and are fixedly connected with the support frame.
[0007] Preferably, the air pump is fixedly connected to the upper surface of the support frame, and five groups of circular grooves are sequentially formed in one side of the coal falling hopper and the coal falling vertical pipe from top to bottom.
[0008] Preferably, one end of the connecting pipe is fixedly connected to the inclined pipe, and the other end of the connecting pipe is fixedly connected to the baffle.
[0009] Preferably, a plurality of circular holes are formed in the surface of the baffle.
[0010] Preferably, the output end of the motor penetrates through one side surface of the material conveying pipe and is fixedly connected to the rotating shaft, and the side surface of the auger blade is not in contact with the inner wall of the material conveying pipe.
[0011] Preferably, the air pump and the motor are electrically connected to the control panel.
[0012] Compared with the prior art, the power plant boiler coal falling pipe has the beneficial effects that:
[0013] 1. The power plant boiler coal falling pipe is provided with a blocking prevention structure, an air pump is controlled by a control panel, the air pump conveys air from a gas conveying pipe into the inclined pipe, and then the air is sprayed into the coal falling hopper and the coal falling vertical pipe from the connecting pipe, the inner walls of the coal falling hopper and the coal falling vertical pipe are beaten, coal materials are prevented from being adhered to each other, when the coal materials are blocked, the air pump intermittently blows air from the connecting pipe into the coal falling hopper and the coal falling vertical pipe to dredge the coal materials, the baffle is used for shielding the coal materials to prevent the coal materials from entering the connecting pipe and being blocked in the coal falling hopper and the coal falling vertical pipe, and the efficiency of the power plant boiler is prevented from being reduced.
[0014] 2. The power plant boiler coal falling pipe is provided with a material conveying structure, after the coal materials enter the material conveying pipe from the coal falling vertical pipe, the motor is turned on by the control panel, the rotating shaft drives the auger blade to rotate, the coal materials are stably conveyed to the discharge port, the coal materials are prevented from being adhered to the inner wall during discharging, and the discharging is more stable and uniform. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural front view schematic diagram of the utility model;
[0016] Figure 2 It is a structural side view schematic diagram of the utility model;
[0017] Figure 3 It is a partial structure sectional view of the coal falling hopper, the coal falling vertical pipe and the material conveying structure of the utility model;
[0018] Figure 4 It is a partial structure sectional view of the coal falling hopper, the coal falling vertical pipe and the blocking prevention structure of the utility model;
[0019] Figure 5The utility model discloses a prevent blocking structure's structure schematic drawing.
[0020] In the drawing: 1, coal hopper; 2, coal drop vertical pipe; 3, support frame; 4, prevent blocking structure; 41, air pump; 42, gas pipe; 43, inclined pipe; 44, connecting pipe; 45, baffle; 5, control panel; 6, support leg; 7, material conveying structure; 71, material conveying pipe; 72, motor; 73, rotating shaft; 74, auger blade; 75, discharge port. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the protection scope of the utility model.
[0022] Please refer to Figures 1-5 The utility model provides an embodiment:
[0023] The utility model provides a power plant boiler coal chute, including the coal chute 1, the bottom of coal chute 1 is fixedly connected with coal vertical pipe 2, the surface of coal vertical pipe 2 is fixedly connected with support frame 3, the surface of support frame 3 is provided with anti -blocking structure 4, anti -blocking structure 4 includes air pump 41, the output of air pump 41 is fixedly connected with gas delivery pipe 42, the surface of gas delivery pipe 42 is fixedly connected with inclined pipe 43, the surface of inclined pipe 43 is fixedly connected with five groups of connecting pipe 44, the surface of connecting pipe 44 is fixedly connected with baffle 45, the side surface of support frame 3 is fixedly connected with control panel 5, the bottom of support frame 3 is fixedly connected with four groups of support leg 6, the bottom of coal vertical pipe 2 is provided with material handling structure 7, material handling structure 7 includes material handling pipe 71, the surface of material handling pipe 71 is fixedly connected with motor 72, the output of motor 72 is fixedly connected with rotating shaft 73, the surface of rotating shaft 73 is fixedly connected with auger blade 74, the side away from motor 72 of material handling pipe 71 is provided with discharge port 75, be provided with anti -blocking structure 4, control air pump 41 through control panel 5, air pump 41 will air from gas delivery pipe 42 to the inside of inclined pipe 43, then from the inside of connecting pipe 44 to coal chute 1 and coal vertical pipe 2 inside spouts, through the inner wall of coal chute 1 and coal vertical pipe 2 is beaten, prevent coal material mutual adhesion, when coal material is blocked, air pump 41 intermittently blows air from connecting pipe 44 into coal chute 1 and coal vertical pipe 2, and coal material is dredged, coal material is shielded through baffle 45, prevent coal material from entering the inside of connecting pipe 44, prevent coal material from being blocked in coal chute 1 and coal vertical pipe 2, avoid the efficiency of power plant boiler to reduce, be provided with material handling structure 7, after coal material from coal vertical pipe 2 into material handling pipe 71, open motor 72 through control panel 5, and then rotate auger blade 74 through rotating shaft 73 drive, to transport coal material steadily to discharge port 75, prevent coal material from adhering on the inner wall when discharging, and discharge more steadily and evenly.
[0024] Further, the inclined pipe 43 and the coal vertical pipe 2 penetrate through the support frame 3 and are fixedly connected with the support frame 3, and the support frame 3 provides support force for the inclined pipe 43 and the coal vertical pipe 2.
[0025] Further, the air pump 41 is fixedly connected to the upper surface of the support frame 3, and five groups of circular grooves are sequentially formed in one side of the coal chute 1 and the coal vertical pipe 2 from top to bottom, and the five groups of connecting pipes are sequentially fixedly connected in the five groups of circular grooves, and the five groups of connecting pipes are arranged to ensure that each part of the coal chute 1 and the coal vertical pipe 2 can be covered when air is injected for anti-blocking.
[0026] Further, one end of the connecting pipe 44 is fixedly connected with the inclined pipe 43, and the other end of the connecting pipe 44 is fixedly connected with the baffle 45, and the air pump 41 transports air from the gas delivery pipe 42 to the inclined pipe 43, and then spouts into the coal chute 1 and the coal vertical pipe 2 from the connecting pipe 44.
[0027] Further, the surface of the baffle 45 is provided with a plurality of round holes, the coal is shielded by the baffle 45, the coal is prevented from entering the connecting pipe 44, and meanwhile the gas is prevented from being hindered from being sprayed out of the baffle 45.
[0028] Further, the output end of the motor 72 is fixedly connected with the rotating shaft 73 penetrating through one side surface of the material conveying pipe 71, the side surface of the auger blade 74 is not in contact with the inner wall of the material conveying pipe 71, the motor 72 is turned on, and then the auger blade 74 is driven to rotate by the rotating shaft 73, so that the coal is stably transported to the discharge port 75, and the auger blade 74 is prevented from interfering with the inner wall of the material conveying pipe 71.
[0029] Further, the air pump 41 and the motor 72 are electrically connected with the control panel 5, and the air pump 41 and the motor 72 are controlled by the control panel 5.
[0030] Working principle: in use, the coal enters the coal falling pipe from the coal falling hopper 1, the air pump 41 is controlled by the control panel 5, the air pump 41 transports the air from the air conveying pipe 42 to the inclined pipe 43, and then sprays the air out of the connecting pipe 44 into the coal falling hopper 1 and the coal falling vertical pipe 2, the inner wall of the coal falling hopper 1 and the coal falling vertical pipe 2 is beaten, the coal is prevented from being adhered to each other, when the coal is blocked, the air is intermittently blown into the coal falling hopper 1 and the coal falling vertical pipe 2 by the air pump 41, the coal is dredged, the coal is shielded by the baffle 45, the coal is prevented from entering the connecting pipe 44, after the coal enters the material conveying pipe 71 from the coal falling vertical pipe 2, the motor 72 is turned on by the control panel 5, and then the auger blade 74 is driven to rotate by the rotating shaft 73, so that the coal is stably transported to the discharge port 75, and the coal is discharged more stably and uniformly.
[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and not restrictive, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.
Claims
1. A coal drop pipe for a power plant boiler, comprising a coal drop bucket (1), characterized in that: The bottom of the coal falling hopper (1) is fixedly connected with a coal falling vertical pipe (2), the surface of the coal falling vertical pipe (2) is fixedly connected with a support frame (3), the surface of the support frame (3) is provided with an anti-blocking structure (4), the anti-blocking structure (4) comprises an air pump (41), the output end of the air pump (41) is fixedly connected with a gas conveying pipe (42), the surface of the gas conveying pipe (42) is fixedly connected with an inclined pipe (43), the surface of the inclined pipe (43) is fixedly connected with five groups of connecting pipes (44), the surface of the connecting pipe (44) is fixedly connected with a baffle (45), one side surface of the support frame (3) is fixedly connected with a control panel (5), the bottom of the support frame (3) is fixedly connected with four groups of supporting legs (6), the bottom of the coal falling vertical pipe (2) is provided with a material conveying structure (7), the material conveying structure (7) comprises a material conveying pipe (71), the surface of the material conveying pipe (71) is fixedly connected with a motor (72), the output end of the motor (72) is fixedly connected with a rotating shaft (73), the surface of the rotating shaft (73) is fixedly connected with an auger blade (74), one side of the material conveying pipe (71) away from the motor (72) is provided with a discharge port (75).
2. A coal drop tube for a boiler of a power plant according to claim 1, characterized in that: The inclined pipe (43) and the coal falling vertical pipe (2) penetrate through the support frame (3) and are fixedly connected with the support frame (3).
3. A coal drop tube for a power plant boiler according to claim 1, characterized in that: The air pump (41) is fixedly connected to the upper surface of the support frame (3), one side of the coal falling hopper (1) and the coal falling vertical pipe (2) is sequentially provided with five groups of circular grooves from top to bottom, and five groups of the connecting pipes (44) are sequentially fixedly connected in the five groups of circular grooves.
4. A power plant boiler coal drop tube as claimed in claim 1, wherein: One end of the connecting pipe (44) is fixedly connected with the inclined pipe (43), and the other end of the connecting pipe (44) is fixedly connected with the baffle (45).
5. A power plant boiler coal drop tube as claimed in claim 1, wherein: The surface of the baffle (45) is provided with a plurality of circular holes.
6. A power plant boiler coal chute as claimed in claim 1, wherein: The output end of the motor (72) penetrates through one side surface of the material conveying pipe (71) and is fixedly connected with the rotating shaft (73), and the side surface of the auger blade (74) is not in contact with the inner wall of the material conveying pipe (71).
7. A power plant boiler coal drop tube as claimed in claim 1, wherein: The air pump (41) and the motor (72) are electrically connected with the control panel (5).