Furnace bottom slag guiding device of pulverized coal furnace slag drying machine

By introducing a Z-shaped slider and a spiral feeder into the pulverized coal boiler dry slag machine, the problems of slag accumulation and motor aging were solved, achieving uniform feeding and conveying of slag and reducing maintenance costs.

CN223683620UActive Publication Date: 2025-12-19ANHUI HENGCHUANG MINING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423072775.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-19
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

In existing pulverized coal boiler ash drying machines, the accumulation of ash on the ash screen plate and the direct contact between the motor and the ash cause aging and increase maintenance costs.

Method used

A bottom slag guiding device for a pulverized coal furnace dry slag machine was designed. The device uses a Z-shaped slider and a pusher plate to push the slag into the feeding pipe. The slag is driven by a second motor through a spiral feeding rod, which avoids accumulation and ensures uniform feeding.

Benefits of technology

It effectively prevents coal slag from accumulating on the feeding plate, reduces motor failure rate, achieves uniform feeding and conveying of coal slag, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of slag drying machines, and particularly relates to a furnace bottom slag guiding device of a pulverized coal furnace slag drying machine, which comprises a shell, a first motor is fixedly connected to the outer wall of the shell, crushing rollers are rotatably connected to the inner wall of the shell, one end of one crushing roller is fixedly connected to the output end of the first motor, and the other end of the other crushing roller is fixedly connected to the output end of the second motor. A discharging plate is fixedly connected to the lower surface of the shell, a discharging pipe is fixedly connected to the inner wall of the discharging plate, an inclined baffle is fixedly connected to the inner side wall of the shell, an upper supporting plate is fixedly connected to the inner side wall of the inclined baffle, and a fixing column is fixedly connected to the lower surface of the upper supporting plate. By arranging the spiral feeding rods, a second motor can drive the multiple spiral feeding rods to rotate, then the failure rate of electronic elements can be reduced, the discharging speed of coal cinder in the discharging pipe can be controlled, the impact of coal cinder falling can be effectively reduced, and meanwhile the coal cinder can be evenly scattered on the air cooling conveying belt.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dry slag machine technical field, concretely is a kind of furnace bottom slag guiding device of coal powder furnace dry slag machine. BACKGROUND

[0002] Chinese patent (authorization announcement number: CN218209623U, authorization announcement day: 2023.01.03) proposes a furnace bottom slag guiding device of coal powder furnace dry slag machine, the patent is by setting sieve slag device, motor drives first rotating column and drives first rotor to rotate, so that second rotor rotates on second rotating column, so that first rotor and second rotor rotate inwards and in opposite directions, sieve slag to the hot slag produced by existing coal powder furnace, by the cooperation of propeller and two rotors, make hot slag evenly dispersed unloading and cooling speed accelerates, solve the irregularity of the existing coal powder furnace due to furnace bottom slag falling on the position on conveying belt, leading to that conveying belt cannot uniformly convey furnace bottom slag, influence the cooling performance of air-cooled conveying equipment Technical problem.

[0003] The above patent still has certain technical problems:

[0004] 1. Coal ash is easy to accumulate when falling on sieve slag plate due to the gap between the holes of sieve slag plate.

[0005] 2. Transport coal ash downward by multiple propellers, propeller is driven by motor, motor is directly in contact with coal ash and is easy to be heated and aged, thereby increasing maintenance cost.

[0006] Therefore, we propose a furnace bottom slag guiding device of coal powder furnace dry slag machine to solve the above problems. INVENTION CONTENTS

[0007] In view of the deficiencies of the prior art, the utility model provides a furnace bottom slag guiding device of coal powder furnace dry slag machine, which solves the problems raised in the background.

[0008] To achieve the above purpose, the utility model is realized by the following technical solutions:

[0009] A kind of coal-powder furnace dry slag machine's furnace bottom slag guiding device, including shell, the outer wall of the shell is fixedly connected with first motor, the inner wall of the shell is rotatably connected with crushing roller, one end of one of the crushing roller is fixedly connected in the output end of first motor, the lower surface of the shell is fixedly connected with discharging plate, the inner wall of the discharging plate is fixedly connected with discharging pipe, the inner side wall of the shell is fixedly connected with inclined baffle, the inner side wall of the inclined baffle is fixedly connected with upper support plate, the lower surface of the upper support plate is fixedly connected with fixed column, the lower surface of the fixed column is fixedly connected with lower support plate, the inner wall of the lower support plate is rotatably connected with spiral feeding rod, the spiral feeding rod is slidably connected in the inner wall of discharging pipe, the inner wall of the inclined baffle is fixedly connected with connecting column, the lower end of the connecting column is fixedly connected with fixed frame.

[0010] Preferably, the upper end of the spiral feeding rod is fixedly connected with second gear, the inner wall of the lower support plate is rotatably connected with main shaft, and the main shaft penetrates and is rotatably connected to the inner wall of the upper support plate.

[0011] Preferably, the main shaft penetrates and is rotatably connected to the inner wall of the fixed frame, and the upper surface of the fixed frame is fixedly connected with second motor.

[0012] Preferably, the lower end output of the second motor is fixedly connected to the upper end of the main shaft, the outer wall of the main shaft is coaxially connected with third gear, and the outer wall of the main shaft is coaxially connected with first gear.

[0013] The first gear is engaged with the second gear, the inner wall of the upper support plate is rotatably connected with fourth gear through a circular shaft, and the outer wall of the circular shaft of the fourth gear is coaxially connected with cam.

[0014] The side wall of the inclined baffle is provided with a square hole, the inner wall of the square hole is slidably connected with Z-shaped sliding block, the lower end of the Z-shaped sliding block is hingedly connected with pushing plate, the outer wall of the Z-shaped sliding block is fixedly connected with limiting block, and a torsion spring is arranged between the pushing plate and the Z-shaped sliding block.

[0015] Preferably, the fourth gear is engaged with the third gear, one end of the Z-shaped sliding block is provided with roller, the roller is rollingly connected to the outer wall of the cam, the side wall of the Z-shaped sliding block is provided with spring, and the spring is fixedly connected between the inner side wall of the inclined baffle and the outer wall of the Z-shaped sliding block.

[0016] Beneficial effects

[0017] The utility model provides a kind of coal-powder furnace dry slag machine's furnace bottom slag guiding device.Compared with prior art, the following beneficial effects are possessed:

[0018] 1. The slag guide device of the dry slag machine of the pulverized coal furnace, the Z-shaped sliding block and the pushing plate are arranged, the Z-shaped sliding block can be driven to move horizontally and reciprocally, and then the coal slag accumulated on both sides can be pushed into the discharging pipe, and the coal slag can be prevented from being accumulated on the upper surface of the discharging plate.

[0019] 2. The slag guide device of the dry slag machine of the pulverized coal furnace, the spiral feeding rods are arranged, the rotation of the plurality of spiral feeding rods can be driven by a second motor, then the failure rate of the electronic element can be reduced, the discharging speed of the coal slag in the discharging pipe can be controlled, the impact of the coal slag falling can be effectively reduced, and the coal slag can be uniformly scattered on the air-cooled conveying belt. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the utility model;

[0021] Figure 2 It is another perspective view of the utility model;

[0022] Figure 3 It is a schematic view of the internal structure of the utility model;

[0023] Figure 4 It is a schematic view of the internal structure of the utility model;

[0024] Figure 5 It is an enlarged view of A of the utility model;

[0025] Figure 6 It is a schematic view of the partial structure of one side of the cam in the utility model;

[0026] Figure 7 It is a schematic view of the partial structure of one side of the second gear in the utility model.

[0027] In the drawing: 1, shell; 2, first motor; 3, crushing roller; 4, discharging plate; 5, discharging pipe; 6, spiral feeding rod; 7, inclined baffle; 8, connecting column; 9, fixed frame; 10, upper support plate; 11, fixed column; 12, lower support plate; 13, first gear; 14, second gear; 15, main shaft; 16, second motor; 17, third gear; 18, fourth gear; 19, cam; 20, Z-shaped sliding block; 21, spring; 22, pushing plate; 23, limit stop. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1-7 The utility model provides a technical scheme: a furnace bottom cinder guiding device of coal powder furnace dry cinder machine, including casing 1, the outer wall fixed connection of casing 1 has first motor 2, the inner wall rotationally connected of casing 1 has broken roll 3, one end fixed connection of one of broken roll 3 is in the output of first motor 2, the lower surface fixed connection of casing 1 has the blanking plate 4, the inner wall fixed connection of blanking plate 4 has the blanking tube 5, the inner side wall fixed connection of casing 1 has the inclined baffle 7, the inner side wall fixed connection of inclined baffle 7 has upper support plate 10, the lower surface fixed connection of upper support plate 10 has fixed column 11, the lower surface fixed connection of fixed column 11 has lower support plate 12, the inner wall rotationally connected of lower support plate 12 has spiral feeding rod 6, spiral feeding rod 6 is slidably connected in the inner wall of blanking tube 5, the inner wall fixed connection of inclined baffle 7 has connecting column 8, the lower end fixed connection of connecting column 8 has fixed frame 9, the upper end fixed connection of spiral feeding rod 6 has second gear 14, the inner wall rotationally connected of lower support plate 12 has main shaft 15, main shaft 15 is through and rotationally connected in the inner wall of upper support plate 10, main shaft 15 is through and rotationally connected in the inner wall of fixed frame 9, the upper surface fixed connection of fixed frame 9 has second motor 16, the lower end output of second motor 16 fixed connection is in the upper end of main shaft 15, the outer wall coaxial connection of main shaft 15 has third gear 17, the outer wall coaxial connection of main shaft 15 has first gear 13, first gear 13 is engaged with second gear 14, the inner wall rotationally connected of upper support plate 10 has fourth gear 18 through a circular axle, the circular axle outer wall coaxial connection of fourth gear 18 has cam 19, it is set spiral feeding rod 6 is in order to facilitate control the blanking speed of coal cinder, to reduce the falling impact of coal cinder in turn, wherein the upper connection of casing 1 has coal powder furnace, the lower setting of blanking tube 5 has conveying steel belt, dry cinder machine.

[0030] The side wall of inclined baffle 7 is provided with a square hole, a Z-shaped sliding block 20 is slidably connected to the inner wall of the square hole, a pushing plate 22 is hingedly connected to the lower end of the Z-shaped sliding block 20, a limiting block 23 is fixedly connected to the outer wall of the Z-shaped sliding block 20, a torsion spring is arranged between the pushing plate 22 and the Z-shaped sliding block 20, the fourth gear 18 is engaged with the third gear 17, one end of the Z-shaped sliding block 20 is provided with a roller, the roller is rollingly connected to the outer wall of the cam 19, a spring 21 is arranged on the side wall of the Z-shaped sliding block 20 and fixedly connected between the inner side wall of the inclined baffle 7 and the outer wall of the Z-shaped sliding block 20, the inner wall of the square hole is provided with a ball, which facilitates sliding, the torsion spring facilitates the resetting of the pushing plate 22 after rotation, thereby continuously moving the edge coal cinder to the middle, the roller is arranged to cooperate with the movement of one end of the Z-shaped sliding block 20 on the outer wall of the cam 19, thereby realizing the horizontal movement of the Z-shaped sliding block 20 in the square hole of the inclined baffle 7.

[0031] Working principle: when the device is running, the large coal cinder falls into the upper part of the crushing roller 3, then the coal cinder is crushed into small pieces of coal cinder and falls on the upper part of the inclined baffle 7, then the coal cinder falls on the upper surface of the discharging plate 4, at this time the third gear 17 is driven by the second motor 16 to rotate, then the fourth gear 18 and the cam 19 are driven to rotate, then the Z-shaped sliding block 20 is repeatedly moved in the inner wall of the inclined baffle 7, then the material pushing plate 22 pushes the coal cinder on the edge of the surface of the discharging plate 4 into the center, then moves to the upper part of the discharging pipe 5, the first gear 13 is driven by the rotation of the main shaft 15 to rotate synchronously, then the second gear 14 is driven to rotate, then the spiral feeding rod 6 is driven to rotate, then the coal cinder is transported into the discharging pipe 5, then the coal cinder is downward transported, and uniform discharging is realized.

[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A slag guiding device for a bottom of a dry slag machine of a pulverized coal furnace, comprising a housing (1), characterized in that: The outer wall of the shell (1) is fixedly connected with a first motor (2), the inner wall of the shell (1) is rotatably connected with a crushing roller (3), one end of one of the crushing rollers (3) is fixedly connected to the output end of the first motor (2), the lower surface of the shell (1) is fixedly connected with a discharging plate (4), the inner wall of the discharging plate (4) is fixedly connected with a discharging pipe (5), the inner side wall of the shell (1) is fixedly connected with an inclined baffle (7), the inner side wall of the inclined baffle (7) is fixedly connected with an upper supporting plate (10), the lower surface of the upper supporting plate (10) is fixedly connected with a fixed column (11), the lower surface of the fixed column (11) is fixedly connected with a lower supporting plate (12), the inner wall of the lower supporting plate (12) is rotatably connected with a spiral feeding rod (6), the spiral feeding rod (6) is slidably connected to the inner wall of the discharging pipe (5), the inner wall of the inclined baffle (7) is fixedly connected with a connecting column (8), and the lower end of the connecting column (8) is fixedly connected with a fixed frame (9).

2. A slag guiding device for a dry slag machine of a pulverized coal furnace according to claim 1, characterized in that: The upper end of the spiral feeding rod (6) is fixedly connected with a second gear (14), the inner wall of the lower supporting plate (12) is rotatably connected with a main shaft (15), and the main shaft (15) penetrates and is rotatably connected to the inner wall of the upper supporting plate (10).

3. A slag deflector for a dry slag machine of a pulverized coal furnace according to claim 2, characterized in that: The main shaft (15) penetrates and is rotatably connected to the inner wall of the fixed frame (9), and the upper surface of the fixed frame (9) is fixedly connected with a second motor (16).

4. A slag deflector for a dry slag machine of a pulverized coal furnace according to claim 3, characterized in that: The lower end output end of the second motor (16) is fixedly connected to the upper end of the main shaft (15), the outer wall of the main shaft (15) is coaxially connected with a third gear (17), and the outer wall of the main shaft (15) is coaxially connected with a first gear (13).

5. A slag deflector for a dry slag machine of a pulverized coal furnace according to claim 4, characterized in that: The first gear (13) is engaged with the second gear (14), the inner wall of the upper supporting plate (10) is rotatably connected with a fourth gear (18) through a circular shaft, and the outer wall of the circular shaft of the fourth gear (18) is coaxially connected with a cam (19).

6. A slag deflector for a dry slag machine of a pulverized coal furnace according to claim 5, characterized in that: The side wall of the inclined baffle (7) is provided with a square hole, the inner wall of the square hole is slidably connected with a Z-shaped sliding block (20), the lower end of the Z-shaped sliding block (20) is hingedly connected with a pushing plate (22), the outer wall of the Z-shaped sliding block (20) is fixedly connected with a limiting block (23), and a torsional spring is arranged between the pushing plate (22) and the Z-shaped sliding block (20).

7. A slag deflector for a dry slag machine of a pulverized coal furnace according to claim 6, characterized in that: The fourth gear (18) is engaged with the third gear (17), one end of the Z-shaped sliding block (20) is provided with a roller, the roller is rollingly connected to the outer wall of the cam (19), the side wall of the Z-shaped sliding block (20) is provided with a spring (21), and the spring (21) is fixedly connected between the inner side wall of the inclined baffle (7) and the outer wall of the Z-shaped sliding block (20).

Citation Information

Patent Citations

  • Furnace bottom slag guiding device of pulverized coal furnace slag drying machine

    CN218209623U