Dense-phase pneumatic ash conveying system of biomass boiler
Through the concentrated phase pneumatic ash transfer system of the biomass boiler, the motor drives the ash scraping frame to remove dust in the ash transfer pipe, and collects dust through the diffraction cover and collection box, solving the problem of dust accumulation affecting the ash transfer effect and realizing dust effective removal and centralized processing.
Patent Information
- Application Number
- CN202420397009.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-01
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-01
AI Technical Summary
During the ash transfer process of biomass boiler, dust is prone to sticking to the inside of the ash transfer pipeline, resulting in dust accumulation and affecting the ash transfer effect.
A concentrated phase pneumatic ash conveying system for biomass boilers is designed, including ash conveying pipe, ash scraping frame, a screw and a motor. The screw drives the rotation of the screw to drive the movement of the ash scraping frame, removes dust in the ash conveying pipe, and passes through the flow conduit. and collect dust to prevent it from floating around.
Effectively remove dust in the ash transfer pipe, ensure the ash transfer effect, and facilitate treatment by collecting dust in a centralized manner to avoid dust accumulation.
Smart Images
Figure CN222210351U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of biomass boilers, in particular to a dense phase pneumatic ash conveying system for a biomass boiler. Background Art
[0002] Biomass boiler is a type of boiler. A boiler that uses biomass energy as fuel is called a biomass boiler. It is divided into biomass steam boiler, biomass hot water boiler, biomass hot air furnace, biomass thermal oil furnace, vertical biomass boiler, horizontal biomass boiler, etc.
[0003] When the current biomass boiler is conveying ash, dust easily adheres to the inside of the ash conveying pipe. Over time, too much dust will accumulate, which will affect the ash conveying effect. For this reason, we propose a biomass boiler dense phase pneumatic ash conveying system to solve the above problem. Utility Model Content
[0004] The utility model aims to provide a dense phase pneumatic ash conveying system for a biomass boiler to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A dense phase pneumatic ash conveying system for a biomass boiler comprises an ash conveying pipe, the inner wall of the ash conveying pipe is fixedly connected to a fixed plate, the upper surface of the fixed plate is mounted with a motor, an ash scraping frame is arranged inside the ash conveying pipe, the inner wall of the ash scraping frame is fixedly connected to a movable plate, the upper surface of the movable plate is provided with screw holes, the output end of the motor is fixedly connected to a screw rod, the top end of the screw rod passes through the screw hole and is rotatably connected to a stabilizing plate, the front end and the rear end of the movable plate are both connected to the inner wall of the scraping frame.
[0007] In a further embodiment, the top end of the ash conveying pipe is fixedly connected to a connecting cover, and the top end of the connecting cover is fixedly connected to a connecting pipe.
[0008] In a further embodiment, both left and right side surfaces of the ash conveying pipe are fixedly connected with mounting plates, and a group of mounting holes are opened on the front side of each mounting plate.
[0009] In a further embodiment, a flow guide cover is fixedly connected to the bottom end of the ash conveying pipe, and a collecting box is arranged below the ash conveying pipe.
[0010] In a further embodiment, a group of connecting blocks are fixedly connected to the left and right sides of the collecting box, a through hole is opened on the upper surface of each connecting block, a connecting nail is inserted into the inside of each through hole, a nut is threadedly connected to the outer surface of each connecting nail, and the top end of each connecting nail is connected to the outer surface of the air guide cover.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. This device cooperates with the motor, moving plate, scraper frame, screw and screw hole. The motor can drive the screw to rotate inside the screw hole, and the moving plate will slide on the screw. At the same time, the moving plate will drive the scraper frame to move, and the scraper frame will remove the dust remaining in the ash conveying pipe, thereby ensuring the ash conveying effect.
[0013] 2. This device is equipped with a guide cover, a collection box, a connecting block, a through hole, a connecting nail and a nut. By connecting the connecting nail and the nut, the collection box can be hung under the guide cover. The collection box can collect the dust falling from the inside of the ash conveying pipe, prevent the dust from flying around, and facilitate the staff to centrally handle the dust. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the dense phase pneumatic ash conveying system of the biomass boiler.
[0015] Figure 2 It is a three-dimensional structural schematic diagram of the front section view of the ash conveying pipe of the dense phase pneumatic ash conveying system of the biomass boiler.
[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the collection box of the dense phase pneumatic ash conveying system of the biomass boiler.
[0017] In the figure: 1. ash conveying pipe; 2. connecting pipe; 3. connecting cover; 4. mounting plate; 5. mounting hole; 6. air guide cover; 7. collecting box; 8. stabilizing plate; 9. ash scraping frame; 10. motor; 11. fixing plate; 12. moving plate; 13. screw hole; 14. through hole; 15. nut; 16. connecting block; 17. connecting nail; 18. screw. DETAILED DESCRIPTION
[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-3 In the utility model, a dense phase pneumatic ash conveying system for a biomass boiler includes an ash conveying pipe 1. A fixing plate 11 is fixedly connected to the inner wall of the ash conveying pipe 1. A motor 10 is installed on the upper surface of the fixing plate 11. The fixing plate 11 can be used to fix the motor 10 to ensure the normal operation of the motor 10.
[0021] A scraping frame 9 is provided inside the ash conveying pipe 1, and a movable plate 12 is fixedly connected to the inner wall of the scraping frame 9. A screw hole 13 is provided on the upper surface of the movable plate 12, and a screw rod 18 is fixedly connected to the output end of the motor 10. When the motor 10 drives the screw rod 18 to rotate inside the screw hole 13, the movable plate 12 will drive the scraping frame 9 to move, and the scraping frame 9 will move inside the ash conveying pipe 1, so that the dust remaining inside the ash conveying pipe 1 can be scraped off to avoid affecting the ash conveying effect.
[0022] The top end of the screw 18 passes through the screw hole 13 and is rotatably connected to the stabilizing plate 8. The front end and the rear end of the movable plate 12 are connected to the inner wall of the plaster scraping frame 9. The connection between the screw 18 and the stabilizing plate 8 can ensure the stability of the screw 18 during rotation, thereby allowing the plaster scraping frame 9 to slide smoothly.
[0023] The top of the ash conveying pipe 1 is fixedly connected with a connecting cover 3, and the top of the connecting cover 3 is fixedly connected with a connecting pipe 2. The connecting pipe 2 is conveniently connected to the ash conveying channel, so that the burned dust can enter the ash conveying pipe 1.
[0024] The left and right sides of the ash conveying pipe 1 are fixedly connected with mounting plates 4. A group of mounting holes 5 are opened on the front of each mounting plate 4. The cooperation between the mounting plates 4 and the mounting holes 5 makes it more convenient for workers to install the ash conveying pipe 1.
[0025] The bottom end of the ash conveying pipe 1 is fixedly connected with a guide cover 6, and a collecting box 7 is arranged below the ash conveying pipe 1. The guide cover 6 can guide the dust falling from the inside of the ash conveying pipe 1, so that all the dust can fall into the collecting box 7, which is convenient for the staff to centrally handle the dust.
[0026] A group of connecting blocks 16 are fixedly connected to the left and right sides of the collection box 7, and a through hole 14 is opened on the upper surface of each connecting block 16. A connecting nail 17 is inserted into the inside of each through hole 14, and a nut 15 is threadedly connected to the outer surface of each connecting nail 17. The top of each connecting nail 17 is connected to the outer surface of the air deflector 6. By utilizing the connection between the nut 15 and the connecting nail 17, the collection box 7 can be suspended under the air deflector 6, thereby ensuring that all dust falls into the collection box 7.
[0027] The working principle of the utility model is: when in use, the ash conveying pipe 1 can be installed in a suitable position by using the mounting plate 4, and then the connecting pipe 2 can be connected to the ash conveying channel, the burning dust will enter the inside of the ash conveying pipe 1, and will fall into the collecting box 7 through the deflector 6. After the ash conveying pipe 1 has been conveying dust for a long time, the motor 10 can be started to work, the motor 10 will drive the screw 18 to rotate inside the screw hole 13, and the ash scraping frame 9 will move on the screw 18. The ash scraping frame 9 will scrape the inside of the ash conveying pipe 1 while moving, so that the dust remaining in the ash conveying pipe 1 can be removed, thereby ensuring the ash conveying effect.
[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A dense phase pneumatic ash conveying system for a biomass boiler, characterized by: The invention comprises an ash conveying pipe (1), the inner wall of which is fixedly connected to a fixed plate (11), the upper surface of which is mounted a motor (10), an ash scraping frame (9) is arranged inside the ash conveying pipe (1), the inner wall of which is fixedly connected to a movable plate (12), the upper surface of which is provided with a screw hole (13), the output end of the motor (10) is fixedly connected to a screw rod (18), the top end of which passes through the screw hole (13) and is rotatably connected to a stabilizing plate (8), the front end of the movable plate (12) and the rear end of the movable plate (12) are both connected to the inner wall of the ash scraping frame (9).
2. A biomass boiler dense phase pneumatic ash conveying system according to claim 1, characterized in that: The top end of the ash conveying pipe (1) is fixedly connected to a connection cover (3), and the top end of the connection cover (3) is fixedly connected to a connection pipe (2).
3. A biomass boiler dense phase pneumatic ash conveying system according to claim 1, characterized in that: The left and right sides of the ash conveying pipe (1) are fixedly connected to mounting plates (4), and a group of mounting holes (5) are opened on the front side of each mounting plate (4).
4. A biomass boiler dense phase pneumatic ash conveying system according to claim 1, characterized in that: The bottom end of the ash conveying pipe (1) is fixedly connected to a flow guide cover (6), and a collection box (7) is arranged below the ash conveying pipe (1).
5. A biomass boiler dense phase pneumatic ash conveying system according to claim 4, characterized in that: A group of connection blocks (16) are fixedly connected to the left and right sides of the collection box (7); a through hole (14) is provided on the upper surface of each connection block (16); a connection nail (17) is inserted into the interior of each through hole (14); a nut (15) is threadedly connected to the outer surface of each connection nail (17); and the top end of each connection nail (17) is connected to the outer surface of the air guide cover (6).