Feeding device of entrained-flow bed gasifier

By introducing a guide trough and a motor-driven baffle system into the gasifier feeding device, combined with a crushing shaft and crushing blades, the problem of uncontrollable feed rate was solved, achieving quantitative feeding and complete combustion, thus improving combustion efficiency.

CN223852554UActive Publication Date: 2026-01-30NINGXIA BAOFENG ENERGY GROUP CO LTD
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Patent Information

Application Number
CN202520209301.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-30
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

The existing gasifier feeding device cannot control the feed rate, resulting in excessive feed and affecting the combustion effect.

Method used

The device includes a feed cylinder, baffle, rotating column, guide groove, and motor drive. The design of the guide groove and the motor drive enable quantitative feeding, and the combination of the crushing shaft and crushing blades enables quantitative feeding and crushing.

Benefits of technology

It achieves quantitative feeding to prevent overfeeding, improves combustion efficiency, and ensures complete combustion of coal through crushing to prevent caking.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of feeding devices, and discloses an entrained-flow bed gasifier feeding device which comprises a feeding cylinder, a funnel is fixedly connected to the top end of the feeding cylinder, baffles penetrate through the two ends of the feeding cylinder in a sliding mode, and right-angle triangular blocks are fixedly connected to the two sides of the inner wall of the feeding cylinder and correspond to the top ends of the baffles. Guide columns are fixedly connected to the two sides of the bottom ends of the two baffles correspondingly, and rotating columns are rotationally connected to the positions, corresponding to the lower portions of the baffles, of the two ends of the feeding cylinder correspondingly. Through the structures of a motor, a driving shaft, a first gear, a second gear, a third gear, a first crushing shaft, a rotating column, a guide column, a guide groove and the like, the effects of quantitative feeding, prevention of excessive feeding, sufficient combustion and improvement of the combustion efficiency are achieved, and the problems that in the using process of a traditional device, the feeding amount cannot be controlled, and the combustion efficiency is improved are solved. Therefore, the feeding amount is too large, sufficient combustion cannot be achieved, and the combustion effect is affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a feeding device technical field, concretely is a kind of airflow bed gasification furnace feeding device. BACKGROUND

[0002] Space furnace has higher thermal efficiency and carbon conversion rate, and the gasification furnace is a water-cooled wall structure, which can withstand high temperature of 1500 DEG C to 1700 DEG C;Low requirement for coal type, can realize the localization of raw material, has higher economic benefit and social benefit, space furnace is influenced by various factors in the process of operation, and the adaptability of coal type is its main factor, which requires technical personnel to analyze coal quality, and to do well in the trial burning of raw coal, improve the stability of coal quality, ensure that the efficiency of pulverized coal gasification meets the operation requirements of space furnace, so as to ensure the efficient and stable operation of space furnace, and coal needs to be added in the process of use, so feeding device is needed to control the amount of feeding.

[0003] Chinese patent provides a kind of gasification furnace unpowered feeding device, and the publication number is CN222064440U, including hopper, blanking tube, discharge port and gasification furnace in turn communication.Blanking tube is equipped with plug-in rod valve.Plug-in rod valve includes push-pull arm, plug-in rod, shaft body and slide way.Blanking tube side wall is equipped with plug-in rod sliding hole.Blanking tube plug-in rod sliding hole is equipped with slide way.Shaft body one end is slidably connected with slide way.Shaft body side surface is slidably connected with push-pull arm side surface.

[0004] The above-mentioned device can be powered off, power-free and noiseless when feeding garbage gasification furnace, but the amount of feeding cannot be controlled in the process of use, so that the amount of feeding is too much, which leads to insufficient combustion and affects the combustion effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of airflow bed gasification furnace feeding device to solve the problems that the amount of feeding cannot be controlled in the process of use of existing device, so that the amount of feeding is too much, which leads to insufficient combustion and affects the combustion effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of airflow bed gasification furnace feeding device, including feeding cylinder, the feeding cylinder top end is fixedly connected with hopper, the feeding cylinder both ends are slidably penetrated with baffle, the feeding cylinder inner wall both sides correspond to the top end of baffle and are fixedly connected with right triangle block, two the baffle bottom end both sides are fixedly connected with guide column, the feeding cylinder both ends correspond to the below of baffle and are rotatably connected with rotating column, two the rotating column outer wall is all equipped with guide slot, two the guide slot is all by arc slot and U-shaped groove composition, two the guide column is respectively arranged in guide slot.

[0007] Preferably, one end of the feeding cylinder is fixedly connected with an L-shaped plate, a motor is fixedly connected to the L-shaped plate, a driving shaft is fixedly connected to a driving end of the motor, the driving shaft is rotationally connected with the feeding cylinder, and a first gear is fixedly connected to an outer wall of the driving shaft.

[0008] Preferably, second gears are fixedly connected to outer walls of the two rotating columns, one of the second gears is meshingly connected with the first gear, and the first gear has a smaller diameter than the second gear.

[0009] Preferably, a first crushing shaft and a second crushing shaft are rotationally penetrated through the feeding cylinder, the second crushing shaft has two and is symmetric about the feeding cylinder, and a plurality of crushing blades are fixedly connected to outer walls of the first crushing shaft and the two second crushing shafts.

[0010] Preferably, third gears are fixedly connected to two ends of the first crushing shaft, the two third gears are meshingly connected with the two second gears, respectively, and the third gear has a smaller diameter than the second gear.

[0011] Preferably, the first crushing shaft and the two second crushing shafts are connected through a first belt transmission mechanism.

[0012] Preferably, fixed plates are fixedly connected to one end of the feeding cylinder symmetrically, a transmission shaft is rotationally penetrated through the two fixed plates, a plurality of elastic columns are fixedly connected to an outer wall of the transmission shaft, and knocking balls are fixedly connected to outer ends of the elastic columns.

[0013] Preferably, the transmission shaft and the driving shaft are connected through a second belt transmission mechanism.

[0014] Compared with the prior art, the gas flow bed gasification furnace feeding device has the following beneficial effects:

[0015] 1) The gas flow bed gasification furnace feeding device can realize quantitative feeding, prevent overfeeding, and improve combustion efficiency through the cooperation of the motor, the driving shaft, the first gear, the second gear, the third gear, the first crushing shaft, the rotating column, the guide column and the guide groove.

[0016] 2) The gas flow bed gasification furnace feeding device can crush and scatter the quantitatively falling low-ash and high-alkali coal, fully burn the coal, and prevent caking from affecting the combustion effect through the cooperation of the first belt transmission mechanism, the second crushing shaft, the third gear, the second gear, the first crushing shaft, the second crushing shaft and the crushing blade. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the gas flow bed gasification furnace feeding device.

[0018] Figure 2 The utility model discloses a kind of airflow bed gasification furnace feeding devices of Figure 1 Enlarged view at A in the figure.

[0019] Figure 3 The utility model discloses a kind of airflow bed gasification furnace feeding devices of bottom view perspective drawing;

[0020] Figure 4 The utility model discloses a kind of airflow bed gasification furnace feeding devices of another view bottom view perspective drawing;

[0021] Figure 5 The utility model discloses a kind of airflow bed gasification furnace feeding devices of feeding cylinder sectional view.

[0022] In the figure: 1, feeding cylinder;2, hopper;3, baffle;4, right-angle triangle block;5, guide column;6, rotating column;7, guide slot;8, L-shaped plate;9, motor;10, driving shaft;11, first gear;12, second gear;13, first pulverizing shaft;14, second pulverizing shaft;15, pulverizing blade;16, third gear;17, first belt drive mechanism;18, fixed plate;19, transmission shaft;20, elastic column;21, knock ball;22, second belt drive mechanism. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely 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, not all the embodiments. Based on the embodiments in 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.

[0024] Embodiment one

[0025] Combined Figures 1-5 A kind of airflow bed gasification furnace feeding device, including feeding cylinder 1, hopper 2 is fixedly connected in the top end of feeding cylinder 1, baffle 3 is slidably penetrated in both ends of feeding cylinder 1, right-angle triangle block 4 is fixedly connected in the top end of baffle 3 on the inner wall both sides of feeding cylinder 1 corresponding, guide column 5 is fixedly connected in the bottom end both sides of two baffles 3, rotating column 6 is rotatably connected in the below of baffle 3 in both ends of feeding cylinder 1 corresponding, guide slot 7 is opened in the outer wall of two rotating columns 6, two guide slots 7 are composed of arc slot and U-shaped slot, two guide columns 5 are arranged in guide slot 7 respectively.

[0026] Specifically, the low-ash high-alkali coal is placed inside the feeding cylinder 1 and the hopper 2, when the rotating column 6 rotates, the guide column 5 slides in the guide groove 7, when the guide column 5 is in the U-shaped groove, the baffle 3 can move to the outside side, so that the low-ash high-alkali coal can fall, when the guide column 5 slides into the arc-shaped groove, the baffle 3 moves to the inside side, so that the low-ash high-alkali coal stops falling, so that the low-ash high-alkali coal can be added quantitatively, prevent falling too much, and make the low-ash high-alkali coal burn fully, improve the combustion efficiency.

[0027] Example two

[0028] Referring to Figure 2 , Figure 3 and Figure 5 , and on the basis of example one, further obtained, one end of the feeding cylinder 1 is fixedly connected with the L-shaped plate 8, the L-shaped plate 8 is fixedly connected with the motor 9, the driving end of the motor 9 is fixedly connected with the driving shaft 10, the driving shaft 10 is rotatably connected with the feeding cylinder 1, the outer wall of the driving shaft 10 is fixedly connected with the first gear 11, the outer wall of each of the two rotating columns 6 is fixedly connected with the second gear 12, one second gear 12 is meshingly connected with the first gear 11, the diameter of the first gear 11 is smaller than the diameter of the second gear 12, the first crushing shaft 13 and the second crushing shaft 14 are rotatably penetrated on the feeding cylinder 1, the number of the second crushing shaft 14 is two and is symmetrical about the feeding cylinder 1, the outer wall of the first crushing shaft 13 and the two second crushing shafts 14 is fixedly connected with a plurality of crushing blades 15, the two third gears 16 are fixedly connected with the two ends of the first crushing shaft 13, the two third gears 16 are respectively meshingly connected with the two second gears 12, the diameter of the third gear 16 is smaller than the diameter of the second gear 12, and the two sides of the first crushing shaft 13 and the two second crushing shafts 14 are connected through the first belt transmission mechanism 17.

[0029] Specifically, the motor 9 rotates with the driving shaft 10, the driving shaft 10 rotates with the first gear 11, and the first gear 11 rotates with the second gear 12, so as to provide power for the rotation of the rotating column 6 and control the amount of feeding, since the first crushing shaft 13 and the second crushing shaft 14 are triangularly arranged, the falling low-ash high-alkali coal can be fully contacted and crushed, so as to fully burn the low-ash high-alkali coal, since the diameter of the third gear 16 is smaller than the diameter of the second gear 12, the third gear 16 is in a high-speed state, since the first belt transmission mechanism 17 can make the first crushing shaft 13 and the second crushing shaft 14 rotate at high speed with the crushing blades 15, the low-ash high-alkali coal can be better scattered.

[0030] Example three

[0031] Referring to Figure 1And on the basis of embodiment one and embodiment two, further get, the fixed plate 18 is symmetrically connected at one end of the feeding cylinder 1, the transmission shaft 19 is rotatably penetrated on the two fixed plates 18, a plurality of elastic columns 20 are fixedly connected on the outer wall of the transmission shaft 19, a plurality of knocking balls 21 are fixedly connected on the outer side of the plurality of elastic columns 20, and the transmission shaft 19 and the driving shaft 10 are connected through the second belt transmission mechanism 22.

[0032] Specifically, through the second belt transmission mechanism 22, the driving shaft 10 can rotate with the transmission shaft 19, so that the elastic column 20 can rotate, and because the elastic column 20 can be bent, the knocking ball 21 can hit the outer wall of the feeding cylinder 1 to vibrate the feeding cylinder 1, so that the low-ash and high-alkali metal coal in the feeding cylinder 1 and the inner wall of the right-angle triangular block 4 can be shaken down, thereby fully utilizing resources and preventing blockage during feeding.

[0033] In actual operation, first, the motor 9 is started to rotate with the driving shaft 10 and the first gear 11, the first gear 11 rotates with the second gear 12 on one side, the second gear 12 on one side rotates with the first crushing shaft 13 and the third gear 16 on the other side, so that the third gear 16 on the other side and the second gear 12 can rotate, so that the rotating column 6 is at the same speed, and the guide column 5 slides in the guide groove 7, when the guide column 5 slides to the U-shaped groove part, the guide column 5 and the baffle 3 can move outward, so that the low-ash and high-alkali metal coal can fall, when the guide column 5 slides to the arc-shaped groove part, the guide column 5 and the baffle 3 can move inward, so that the low-ash and high-alkali metal coal can be blocked from falling, thereby performing quantitative feeding to prevent overfeeding, so that it can be fully burned to improve the combustion efficiency.

[0034] And the first belt transmission mechanism 17 can make the second crushing shaft 14 rotate, because the diameter of the third gear 16 is smaller than that of the second gear 12, so that the third gear 16 is in a high-speed state, so that the first crushing shaft 13 and the second crushing shaft 14 can rotate at a high speed with the crushing blade 15, so that the low-ash and high-alkali metal coal falling quantitatively can be crushed and scattered to be fully burned to prevent clumping from affecting the combustion effect.

[0035] At the same time, the driving shaft 10 rotates with the transmission shaft 19 through the second belt transmission mechanism 22, so that the elastic column 20 and the knocking ball 21 can rotate, because the elastic column 20 has elasticity, so that the outer wall of the feeding cylinder 1 can be hit to vibrate, so that the low-ash and high-alkali metal coal in the hopper 2 can fall down fully, and the feeding can be avoided.

[0036] Although embodiments of the present invention 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 to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An entrained-flow gasifier feed device, comprising a feed cylinder (1), a hopper (2) is fixedly connected to the top end of the feed cylinder (1), characterized in that: The feeding cylinder (1) is slid through the baffle (3) at both ends, the top of the baffle (3) is fixedly connected with the right angle triangular block (4) on the inner wall of the feeding cylinder (1), the bottom of the baffle (3) is fixedly connected with the guide column (5) on both sides, the lower side of the baffle (3) is rotatably connected with the rotating column (6) at both ends of the feeding cylinder (1), the outer wall of the rotating column (6) is provided with the guide groove (7), the guide groove (7) is composed of the arc-shaped groove and the U-shaped groove, and the guide column (5) is arranged in the guide groove (7).

2. An entrained-flow gasifier feed arrangement according to claim 1, characterised in that: The L-shaped plate (8) is fixedly connected with the motor (9), the driving end of the motor (9) is fixedly connected with the driving shaft (10), the driving shaft (10) is rotatably connected with the feeding cylinder (1), and the first gear (11) is fixedly connected to the outer wall of the driving shaft (10).

3. An entrained-flow gasifier feed arrangement according to claim 2, wherein: The second gear (12) is fixedly connected to the outer wall of the rotating column (6), the second gear (12) is meshedly connected with the first gear (11), and the diameter of the first gear (11) is smaller than that of the second gear (12).

4. An entrained-flow gasifier feed arrangement according to claim 3, wherein: The first crushing shaft (13) and the second crushing shaft (14) are rotatably penetrated on the feeding cylinder (1), the number of the second crushing shaft (14) is two and is symmetrical about the feeding cylinder (1), and a plurality of crushing blades (15) are fixedly connected to the outer wall of the first crushing shaft (13) and the two second crushing shafts (14).

5. An entrained-flow gasifier feed device according to claim 4, wherein: The third gear (16) is fixedly connected to the both ends of the first crushing shaft (13), the third gear (16) is meshedly connected with the second gear (12), and the diameter of the third gear (16) is smaller than that of the second gear (12).

6. An entrained-flow gasifier feed arrangement according to claim 5, wherein: The first belt transmission mechanism (17) is connected between the first crushing shaft (13) and the two second crushing shafts (14).

7. An entrained-flow gasifier feed device according to claim 1, wherein: The fixed plate (18) is fixedly connected to one end of the feeding cylinder (1), the transmission shaft (19) is rotatably penetrated on the two fixed plates (18), a plurality of elastic columns (20) are fixedly connected to the outer wall of the transmission shaft (19), and the knocking ball (21) is fixedly connected to the outer side of one end of the elastic column (20).

8. An entrained-flow gasifier feed arrangement according to claim 7, wherein: The transmission shaft (19) and the driving shaft (10) are connected through the second belt transmission mechanism (22).

Citation Information

Patent Citations

  • Unpowered feeding device of gasification furnace

    CN222064440U