Ash removal device of biomass gasifier

By designing an ash collection hopper and a movable baffle, the problem of poor sealing in existing biomass gasification furnace ash removal devices has been solved, achieving efficient ash removal without affecting the furnace environment.

CN223688280UActive Publication Date: 2025-12-19LIJIANG JUNENG BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520055810.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-19
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The existing ash removal devices for biomass gasifiers have poor internal sealing performance during application, which affects the high-temperature and oxygen-deficient environment inside the biomass gasifier.

Method used

A dust removal device was designed, comprising an ash hopper, a motor, a screw conveyor, a cover, a movable baffle, a movable frame, and a locking pin. By sealing the movable baffle in a horizontal state and automatically discharging ash through the screw conveyor, the dust removal operation is prevented from affecting the internal environment of the biomass gasifier.

Benefits of technology

This improved ash removal efficiency, avoided the impact of ash removal operations on the high-temperature and oxygen-deficient environment inside the biomass gasifier, and ensured the safety and effectiveness of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an ash cleaning device of a biomass gasification furnace, and relates to the technical field of biomass gasification furnaces. The top of the ash collecting hopper is communicated with an ash falling part of the biomass gasification furnace, a motor is mounted outside the ash collecting hopper, a spiral conveying rod is mounted in the bottom of the ash collecting hopper and is inclined, and a driving shaft of the motor is connected with the spiral conveying rod; a blocking cover is mounted at the bottom of the front end of the dust collecting hopper; movable baffles are arranged in the top of the dust collecting hopper, a movable frame is connected outside the dust collecting hopper, a handle is arranged at the front end of the movable frame, and the movable frame is connected with the ends of the movable baffles; and the front end of the movable frame is connected with a lock pin which is connected with the dust collecting hopper. Before ash removal operation, the movable frame is pulled forwards, the movable frame drives the movable baffle to rotate, the movable baffle is made to be in a horizontal shape, the top of the ash collecting hopper is sealed through the movable baffle, and the high-temperature and oxygen-deficient environment in the biomass gasifier is prevented from being affected by the ash removal operation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biomass gasification furnace, especially relates to a dust cleaning device of biomass gasification furnace. BACKGROUND

[0002] The biomass gasification furnace is a kind of equipment that converts biomass fuel into combustible gas, it is through high temperature and the thermal chemical reaction under the condition of oxygen deficiency, organic matter in biomass is decomposed, and the synthesis gas with carbon monoxide, hydrogen and methane etc. as main component is produced;Biomass gasification furnace needs to be regularly cleaned in the application process.

[0003] The existing dust cleaning device for biomass gasification furnace is not good in the internal partition sealing effect in the application process, and the high temperature and the oxygen deficiency environment in the biomass gasification furnace are easily affected during dust cleaning operation, so the application effect is not good. UTILITY MODEL CONTENT

[0004] The present application relates to a kind of dust cleaning device of biomass gasification furnace, solve the existing dust cleaning device for biomass gasification furnace in the application process, its internal partition sealing effect is not good, during dust cleaning operation, the high temperature and the oxygen deficiency environment in the biomass gasification furnace are easily affected, and the application effect is not good Problem.

[0005] The first aspect of the present application provides a kind of dust cleaning device of biomass gasification furnace, specifically includes: dust collecting hopper, motor, spiral conveying rod, cover, movable baffle, movable frame and lock pin;The top of dust collecting hopper is communicated with the ash falling part of biomass gasification furnace, and motor is installed on the outside of dust collecting hopper, and spiral conveying rod is installed in the bottom of dust collecting hopper, and spiral conveying rod is inclined, and the driving shaft of motor is connected with spiral conveying rod;The bottom of dust collecting hopper is installed with cover;Movable baffle is installed in the top of dust collecting hopper in array, and movable frame is connected to the outside of dust collecting hopper, and handle is arranged at the front end of movable frame, and movable frame is connected with the end of movable baffle;Lock pin is connected at the front end of movable frame, and lock pin is connected with dust collecting hopper.

[0006] Further, the bottom of dust collecting hopper is circular tube, spiral conveying rod is rotatably connected in the bottom of dust collecting hopper, dust outlet is arranged at the front end of the bottom of dust collecting hopper, cover is rotatably connected with dust collecting hopper, and cover is located outside dust outlet, when needing to carry out dust cleaning operation, rotate cover, spiral conveying rod is rotated by motor, and spiral conveying rod transports furnace ash, so that furnace ash is automatically discharged through dust outlet.

[0007] Further, the movable baffle is rotatably connected with dust collecting hopper, and the movable baffle in horizontal state is in contact with adjacent two movable baffles, and the movable baffle is located above spiral conveying rod.

[0008] Further, the ash collecting hopper is provided with a sliding groove on the left and right sides, and the movable frame is slidably connected in the sliding groove; the movable frame is provided with a rack inside the left and right sides; the movable baffle is provided with a gear on the left and right ends; and the rack and the gear are in transmission engagement.

[0009] Further, the movable frame is provided with a through hole at the rear part, and the ash collecting hopper is provided with a mushroom column which is slidably penetrated into the through hole.

[0010] Further, the mushroom column is externally sleeved with a spring, one end of the spring is in contact with the inner side of the movable frame, and the other end of the spring is in contact with the ash collecting hopper.

[0011] Further, the movable frame is provided with a guide hole at the front end, the ash collecting hopper is provided with a positioning hole, the guide hole is communicated with the positioning hole at the bottom, and a locking pin is slidably inserted into the guide hole and the positioning hole in the communicated state; before the ash cleaning operation, the movable frame is pulled forward, the movable frame drives the movable baffle to rotate, the movable baffle is in a horizontal state, the movable baffle seals the top of the ash collecting hopper, the ash cleaning operation does not affect the high temperature and the oxygen-deficient environment in the biomass gasification furnace, the spring is in a contraction state under force, the guide hole and the positioning hole are in a communicated state, the locking pin moves downward under the influence of gravity, the end of the locking pin is inserted into the positioning hole, and the movable baffle is fixed, and the ash cleaning operation can be performed.

[0012] The ash cleaning device of the biomass gasification furnace has the following beneficial effects:

[0013] In use, the ash generated by the biomass gasification furnace falls into the bottom of the ash collecting hopper, the cover seals the ash leakage hole, when the ash cleaning operation is needed, the cover is rotated, the motor drives the spiral conveying rod to rotate, the spiral conveying rod conveys the ash, the ash is automatically discharged through the ash leakage hole, and the ash cleaning efficiency is improved.

[0014] In addition, before the ash cleaning operation, the movable frame is pulled forward, the movable frame drives the movable baffle to rotate, the movable baffle is in a horizontal state, the movable baffle seals the top of the ash collecting hopper, the ash cleaning operation does not affect the high temperature and the oxygen-deficient environment in the biomass gasification furnace, the spring is in a contraction state under force, the guide hole and the positioning hole are in a communicated state, the locking pin moves downward under the influence of gravity, the end of the locking pin is inserted into the positioning hole, and the movable baffle is fixed, and the ash cleaning operation can be performed; after the ash cleaning is completed, the locking pin is pulled upward, the end of the locking pin is separated from the positioning hole, the movable frame moves back to the original position under the influence of the spring thrust, the movable frame drives the movable baffle to rotate back to the original position, the movable baffle is in a vertical state, and the ash generated by the biomass gasification furnace falls into the bottom of the ash collecting hopper.

[0015] Other advantages, objects and features of the present application will be apparent from the following description, and will be appreciated by those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced as follows.

[0017] The drawings in the following description are merely related to some embodiments of the present application, and are not a limitation of the present application.

[0018] In the drawings:

[0019] Figure 1 The overall right front axle side structure schematic diagram of the present application is shown;

[0020] Figure 2 The axle side structure schematic diagram of the present application in the ash cleaning state is shown;

[0021] Figure 3 The ash hopper axle side structure schematic diagram of the present application is shown;

[0022] Figure 4 The movable baffle axle side structure schematic diagram of the present application is shown;

[0023] Figure 5 The movable frame axle side structure schematic diagram of the present application is shown.

[0024] List of reference signs

[0025] 1, ash hopper; 101, ash outlet; 102, chute; 103, mushroom column; 104, positioning hole; 2, motor; 3, spiral conveying rod; 4, cover; 5, movable baffle; 501, gear; 6, movable frame; 601, handle; 602, rack; 603, through hole; 604, guide hole; 7, spring; 8, lock pin. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be clearly and completely described below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Embodiment one: please refer to Figures 1 to 5 :

[0028] The utility model provides a kind of ash removal device of biomass gasification furnace, comprising: dust collecting hopper 1, motor 2, spiral conveying rod 3, baffle 4, movable baffle 5, movable frame 6 and locking pin 8;Dust collecting hopper 1 top and the ash falling part of biomass gasification furnace are communicated, motor 2 is installed outside dust collecting hopper 1, spiral conveying rod 3 is installed in the bottom of dust collecting hopper 1, spiral conveying rod 3 is inclined, the driving shaft of motor 2 is connected with spiral conveying rod 3;Dust collecting hopper 1 front end bottom is equipped with baffle 4;Dust collecting hopper 1 top is equipped with movable baffle 5 in array, dust collecting hopper 1 is connected with movable frame 6 outside, movable frame 6 front end is equipped with handle 601, movable frame 6 is connected with movable baffle 5 end portion;Movable frame 6 front end is equipped with locking pin 8, and locking pin 8 is connected with dust collecting hopper 1;Dust collecting hopper 1 bottom is circular tube, spiral conveying rod 3 is rotatably connected in the bottom of dust collecting hopper 1, dust collecting hopper 1 bottom front end is equipped with ash leakage port 101, baffle 4 is rotatably connected with dust collecting hopper 1, and baffle 4 is located ash leakage port 101 outside;Ash generated by biomass gasification furnace falls into the bottom of dust collecting hopper 1, baffle 4 seals ash leakage port 101, when needing to carry out ash removal operation, baffle 4 is rotated, motor 2 drives spiral conveying rod 3 to rotate, and spiral conveying rod 3 transports ash, so that ash is automatically discharged through ash leakage port 101, and ash removal efficiency is improved.

[0029] In the embodiment of the present disclosure, the movable baffle 5 is rotatably connected with the dust collecting hopper 1, the movable baffle 5 in horizontal state is in contact with the adjacent two movable baffles 5, the movable baffle 5 is located above the spiral conveying rod 3, the dust collecting hopper 1 is provided with a chute 102 on the left and right sides, the movable frame 6 is slidably connected in the chute 102, the movable frame 6 is provided with a rack 602 inside the left and right sides, the movable baffle 5 is provided with a gear 501 on the left and right ends, the rack 602 is in transmission engagement with the gear 501, the movable frame 6 is provided with a through hole 603 at the back, the dust collecting hopper 1 is provided with a mushroom column 103 at the back, the mushroom column 103 is slidably penetrated in the through hole 603, the mushroom column 103 is externally sleeved with a spring 7, one end of the spring 7 is in contact with the inside of the movable frame 6, the other end of the spring 7 is in contact with the dust collecting hopper 1, the movable frame 6 is provided with a guide hole 604 at the front end, the dust collecting hopper 1 is provided with a positioning hole 104 at the front end, the guide hole 604 bottom is communicated with the positioning hole 104, and the locking pin 8 is slidably inserted in the guide hole 604 and the positioning hole 104 in communication state;

[0030] Adopt the above technical scheme, before the ash cleaning operation, pull the movable frame 6 forward, the movable frame 6 drives the movable baffle 5 to rotate, so that the movable baffle 5 is horizontal, the movable baffle 5 is sealed to the top of the ash collecting hopper 1, so as to avoid the influence of the ash cleaning operation on the high temperature and the oxygen-deficient environment in the biomass gasification furnace, the spring 7 is in a contraction state under stress, the guide hole 604 is in communication with the positioning hole 104, the locking pin 8 moves downward under the influence of gravity, so that the end of the locking pin 8 is inserted into the positioning hole 104, and the fixing effect of the movable baffle 5 is achieved, so that the ash cleaning operation can be carried out; after the ash cleaning is completed, pull the locking pin 8 upward, the end of the locking pin 8 is separated from the positioning hole 104, the movable frame 6 moves back to the original position under the influence of the spring 7, the movable frame 6 drives the movable baffle 5 to rotate back to the original position, so that the movable baffle 5 is vertical, and the ash generated by the biomass gasification furnace can fall into the bottom of the ash collecting hopper 1.

[0031] The working principle of the embodiment is as follows: the ash generated by the biomass gasification furnace falls into the bottom of the ash collecting hopper 1, and the cover 4 seals the ash leakage hole 101; when the ash cleaning operation is needed, pull the movable frame 6 forward, the movable frame 6 drives the movable baffle 5 to rotate, so that the movable baffle 5 is horizontal, the movable baffle 5 is sealed to the top of the ash collecting hopper 1, so as to avoid the influence of the ash cleaning operation on the high temperature and the oxygen-deficient environment in the biomass gasification furnace, the spring 7 is in a contraction state under stress, the guide hole 604 is in communication with the positioning hole 104, the locking pin 8 moves downward under the influence of gravity, so that the end of the locking pin 8 is inserted into the positioning hole 104, and the fixing effect of the movable baffle 5 is achieved; the motor 2 drives the spiral conveying rod 3 to rotate, the spiral conveying rod 3 conveys the ash, so that the ash is automatically discharged through the ash leakage hole 101; after the ash cleaning is completed, the cover 4 rotates back to the original position, pull the locking pin 8 upward, the end of the locking pin 8 is separated from the positioning hole 104, the movable frame 6 moves back to the original position under the influence of the spring 7, the movable frame 6 drives the movable baffle 5 to rotate back to the original position, so that the movable baffle 5 is vertical, and the ash generated by the biomass gasification furnace can fall into the bottom of the ash collecting hopper 1.

[0032] In this paper, the following points need attention:

[0033] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0034] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0035] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A dust cleaning device of a biomass gasifier, comprising: Ash hopper (1), motor (2), screw conveying rod (3), cover (4), movable baffle (5), movable frame (6) and lock pin (8); characterized in that the top of the ash hopper (1) is communicated with the ash falling part of the biomass gasification furnace, the outside of the ash hopper (1) is provided with a motor (2), the bottom of the ash hopper (1) is provided with a screw conveying rod (3) inside, the screw conveying rod (3) is inclined, the driving shaft of the motor (2) is connected with the screw conveying rod (3); the bottom of the front end of the ash hopper (1) is provided with a cover (4); the top of the ash hopper (1) is provided with movable baffles (5) in an array; the outside of the ash hopper (1) is connected with a movable frame (6), the front end of the movable frame (6) is provided with a handle (601), the movable frame (6) is connected with the end of the movable baffle (5); the front end of the movable frame (6) is connected with a lock pin (8), and the lock pin (8) is connected with the ash hopper (1).

2. The ash removal device of the biomass gasification furnace according to claim 1, characterized in that, the bottom of the ash hopper (1) is in the shape of a circular tube, the screw conveying rod (3) is rotatably connected inside the bottom of the ash hopper (1), the bottom of the front end of the ash hopper (1) is provided with an ash leakage hole (101), the cover (4) is rotatably connected with the ash hopper (1), and the cover (4) is located outside the ash leakage hole (101).

3. The ash removal device of the biomass gasification furnace according to claim 1, characterized in that, the movable baffle (5) is rotatably connected with the ash hopper (1), the movable baffle (5) in a horizontal state is in contact with the adjacent two movable baffles (5), and the movable baffle (5) is located above the screw conveying rod (3).

4. The ash removal device of the biomass gasification furnace according to claim 1, characterized in that, the left and right sides of the ash hopper (1) are provided with sliding grooves (102), the movable frame (6) is slidably connected inside the sliding grooves (102), the left and right sides of the movable frame (6) are provided with racks (602) inside, the left and right ends of the movable baffle (5) are provided with gears (501), and the racks (602) and the gears (501) are in transmission engagement.

5. The ash removal device of the biomass gasification furnace according to claim 1, characterized in that, the rear part of the movable frame (6) is provided with a through hole (603), the rear part of the ash hopper (1) is provided with a mushroom column (103), and the mushroom column (103) is slidably penetrated into the through hole (603).

6. The ash removal device of the biomass gasification furnace according to claim 5, characterized in that, the outside of the mushroom column (103) is provided with a spring (7), one end of the spring (7) is in contact with the inside of the movable frame (6), and the other end of the spring (7) is in contact with the ash hopper (1).

7. The ash removal device of the biomass gasification furnace according to claim 1, characterized in that, the front end of the movable frame (6) is provided with a guide hole (604), the front end of the ash hopper (1) is provided with a positioning hole (104), the bottom of the guide hole (604) is communicated with the positioning hole (104), and the lock pin (8) is slidably inserted into the guide hole (604) and the positioning hole (104) in a communication state.