Biomass combustion particle production screening device

Abstract

The utility model discloses a biomass combustion particle production screening device, relates to the technical field of screening equipment, and solves the technical problems that air supply, dust removal and mote impurity elimination cannot be carried out in the screening process in the existing technical scheme, the biomass combustion particle production screening device comprises a main base, and a stand column is fixedly installed on the upper wall face of the main base. A main machine box is fixedly installed on the stand column, a screening barrel is rotatably installed in the main machine box, and a wind power pre-screening structure is arranged above the screening barrel. Through cooperative operation of the wind power pre-screening structure and the dust removal and air supply structure, air supply and dust removal are achieved in the screening process, and tiny dust impurities are effectively eliminated; due to the upper and lower throwing parts of the wind power pre-screening structure, the materials are dispersed more uniformly, and the pre-screening effect is better; and an air supply fan, an air filtering plate and a resistance heating wire in the clean air supply structure can blow away and filter tiny dust, meanwhile, air is heated, screening is prevented from being affected by moisture, and the purity of finished product particles is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening, specifically to a biomass combustion particle production screening device. BACKGROUND

[0002] The biomass combustion particle production screening device relates to the technical field, and it is the key equipment in the biomass energy processing industry chain, and its core function is to realize accurate grading and impurity removal of particle materials. The device is usually equipped with multiple layers of screens with different hole diameters. Through the driving of a vibrating motor or a rotating mechanism, the particle materials entering the equipment make reciprocating motion on the screen surface. The particles with a particle size meeting the requirements will pass through the corresponding screen and fall into the collection area, while the oversized particles or fine powders will be discharged from different outlets, thereby realizing the particle size sorting of biomass particles. At the same time, the device usually integrates a magnetic separation or air separation component, which can effectively separate metal impurities, sand, or fiber clumps not fully broken during the processing of wood chips, straw, and other raw materials, thereby ensuring the purity of the finished particles. Some high-end screening devices also have an automatic control system, which can adjust the screening frequency and amplitude in real time according to the production requirements, adapt to the production requirements of different raw material characteristics and particle specifications, and significantly improve the screening efficiency and accuracy.

[0003] Under the background of the rapid development of the biomass energy industry, the application of the screening device has multidimensional significance. From the production perspective, it ensures the combustion performance of biomass particles by accurately controlling the particle size. Uniform particle size distribution can effectively improve the combustion efficiency, reduce slagging, meet the operating requirements of combustion equipment such as boilers and fireplaces, and thus improve the user experience of end users. The impurity removal function avoids the wear and tear of foreign matter on the combustion equipment, prolongs the service life of the equipment, and reduces maintenance costs.

[0004] The existing technical solution cannot send air for dust removal and simultaneously eliminate fine dust impurities during the screening process. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a biomass combustion particle production screening device, which solves the technical problem that the existing technical solution cannot send air for dust removal and simultaneously eliminate fine dust impurities during the screening process.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a biomass combustion particle production screening device, comprising a main base, a vertical column is fixedly installed on the upper wall surface of the main base, a main machine box is fixedly installed on the vertical column, a screening cylinder is rotatably installed in the main machine box, a wind power pre-screening structure is arranged above the screening cylinder, a dust removal and air supply structure is arranged at the lower end of the screening cylinder, a cleaning air supply structure is arranged at the lower end of the screening cylinder in the main machine box, and a screen cylinder rolling structure is arranged on the main machine box.

[0007] Preferably, the screen cylinder is provided with screen holes, the screen cylinder tail end is provided with a discharge sleeve, the wind pre-screening structure output end is connected in the screen cylinder, and the dust removal air supply structure output end is located below the screen cylinder.

[0008] Preferably, the wind pre-screening structure includes an upper throwing and scattering part and a lower throwing and scattering part, the upper throwing and scattering part and the lower throwing and scattering part are respectively provided with a conveying unit, the upper throwing and scattering part output end is located above the lower throwing and scattering part input end, the upper throwing and scattering part is provided with a feeding hopper, and the upper throwing and scattering part and the lower throwing and scattering part are fixedly installed in the main machine box.

[0009] Preferably, the conveying unit includes a conveying pipe, the conveying pipe upper end is provided with a feeding port, a rotating shaft is rotatably installed in the conveying pipe, the rotating shaft is fixedly installed with an auger blade, one end of the conveying pipe is fixedly installed with a driving motor, and the driving motor driving end is fixedly connected to one end of the rotating shaft.

[0010] Preferably, the cleaning air supply structure includes an air supply pipe, the air supply pipe is fixedly installed on the main machine box, the air supply pipe is fixedly installed with an air supply fan, the air supply pipe is fixedly installed with a filter plate and a resistance heating wire.

[0011] Preferably, the main machine box and the rear of the wind pre-screening structure are fixedly installed with an exhaust pipe, the rear of the exhaust pipe is fixedly installed with an exhaust fan, and the exhaust pipe is fixedly installed with an adsorption bag.

[0012] Preferably, the screen cylinder rolling structure includes a roller motor, the roller motor is fixedly installed on the main machine box upper wall surface, the roller motor driving end is fixedly installed with a driving gear, the screen cylinder is fixedly installed with a driven gear, and the driving gear and the driven gear are meshingly connected.

[0013] Preferably, the main base upper wall surface and below the screen cylinder are fixedly provided with a fine material box, and the main base upper wall surface and below the screen cylinder output end are fixedly installed with a coarse material box.

[0014] Beneficial effects

[0015] The utility model provides a kind of biomass combustion granule production screening device, the utility model cooperates in wind force pre-screening structure and dust removal air supply structure, realizes air supply dust removal in screening process, effectively eliminates dust impurity;The upper and lower scattering part of wind force pre-screening structure, material dispersion is more uniform, and pre-screening effect is better;Air supply fan, air filter plate and resistance heating wire in clean air supply structure can blow off dust and filter, while heating air, prevent damp influence screening, improve finished product granule purity;Screen cylinder rolling structure uses cylinder motor drive driving gear, drives driven gear on screening cylinder to rotate, so that screening cylinder is stably rolled, ensure that material is fully contacted with screen hole in cylinder, realize uniform, efficient granularity sorting. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the main view structural schematic diagram of the utility model described a kind of biomass combustion granule production screening device.

[0017] In the drawing: 1, main pedestal;2, stand;3, main case;4, screening cylinder;5, screening hole;6, discharging sleeve;7, feeding hopper;8, conveying pipe;9, feed inlet;10, rotating shaft;11, auger blade;12, driving motor;13, air supply pipe;14, air supply fan;15, air filter plate;16, resistance heating wire;17, exhaust pipe;18, exhaust fan;19, adsorption bag;20, cylinder motor;21, driving gear;22, driven gear;23, fine material box;24, coarse material box; DETAILED DESCRIPTION

[0018] To further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. The detailed description is as follows.

[0019] Please refer to Figure 1 The utility model provides a kind of technical schemes: a kind of biomass combustion granule production screening device, including main pedestal 1, the upper wall surface of the main pedestal 1 is fixedly installed with stand 2, the stand 2 is fixedly installed with main case 3, the screening cylinder 4 is rotatably installed in the main case 3, the screening cylinder 4 top is provided with wind force pre-screening structure, the screening cylinder 4 lower end is provided with dust removal air supply structure, the main case 3 and located at the screening cylinder 4 lower end is provided with clean air supply structure, the main case 3 is provided with screen cylinder rolling structure.

[0020] The embodiment is further provided, the screening cylinder 4 is provided with screening hole 5, the screening cylinder 4 tail end is provided with discharging sleeve 6, the wind force pre-screening structure output end is connected in the screening cylinder 4, and the dust removal air supply structure output end is located below the screening cylinder 4.

[0021] In this embodiment, the wind-powered pre-screening structure includes an upper spraying section and a lower spraying section. The upper spraying section and the lower spraying section are respectively provided with conveying units. The output end of the upper spraying section is located above the input end of the lower spraying section. A feeding hopper 7 is provided on the upper spraying section. The upper spraying section and the lower spraying section are fixedly installed inside the main unit housing 3.

[0022] In this embodiment, the conveying unit is further configured such that the conveying unit includes a conveying pipe 8, the upper end of the conveying pipe 8 is provided with a feed port 9, a rotating shaft 10 is rotatably installed inside the conveying pipe 8, an auger blade 11 is fixedly installed on the rotating shaft 10, a drive motor 12 is fixedly installed at one end of the conveying pipe 8, and the drive end of the drive motor 12 is fixedly connected to one end of the rotating shaft 10.

[0023] In this embodiment, the clean air supply structure includes an air supply pipe 13, which is fixedly installed on the main unit box 3. An air supply fan 14 is fixedly installed inside the air supply pipe 13, and a filter plate 15 and a resistance heating wire 16 are fixedly installed inside the air supply pipe 13.

[0024] In this embodiment, the main unit 3 is further configured to have an exhaust pipe 17 fixedly installed behind the wind-powered pre-screening structure, an exhaust fan 18 is fixedly installed behind the exhaust pipe 17, and an adsorption bag 19 is fixedly installed inside the exhaust pipe 17.

[0025] In this embodiment, the screen cylinder rolling structure includes a drum motor 20, which is fixedly installed on the upper wall of the main unit 3. A drive gear 21 is fixedly installed on the drive end of the drum motor 20, and a driven gear 22 is fixedly installed on the screening cylinder 4. The drive gear 21 and the driven gear 22 are meshed and connected.

[0026] In this embodiment, a fine material box 23 is fixedly installed on the upper wall of the main base 1 and below the screening cylinder 4, and a coarse material box 24 is fixedly installed on the upper wall of the main base 1 and below the output end of the screening cylinder 4.

[0027] Its detailed connection methods are well-known technologies in this field; such as Figure 1 As shown, confirm that all components of the equipment are securely installed, such as the screening cylinder 4 rotating freely and the circuit connections being normal. Connect the power supply to the drive motor 12, drum motor 20, etc., and prepare for startup.

[0028] Turn on the drive motor 12 of the upper spraying section's conveying unit, and the raw material enters the conveying pipe 8 from the feed inlet 9. It is then conveyed by the rotating auger blades 11 and output through the upper spraying section to the area above the input end of the lower spraying section.

[0029] The driving motor 12 of the conveying unit of the lower throwing and spreading part is started, and the raw material is further conveyed into the screening drum 4, so that the uniform spreading and conveying of the material are realized.

[0030] The air supply fan 14 in the air supply pipe 13 is started, and the resistance heating wire 16 works to heat the air and blow it into the main machine box 3 to blow off the dust and impurities, and the air filter plate 15 filters the air to improve the cleanliness of the screening environment.

[0031] The air supply passes through the upper and lower throwing and spreading parts to convey away the dust and light impurities, and the wind power pre-screening is completed.

[0032] The drum motor 20 is started, the driving gear 21 at the driving end drives the driven gear 22 on the screening drum 4, so that the screening drum 4 rotates stably, and the material in the drum fully contacts with the screen hole to perform the particle size screening.

[0033] The fine material after screening falls into the fine material box 23 on the main base 1 through the screening hole 5, and the coarse material enters the coarse material box 24 from the output end of the screening drum 4, so that the classification and collection of different particle size materials are completed.

[0034] After the production is completed, all the motors and fans are turned off, the residual material in the equipment is cleaned, the operation of each part is checked, and the maintenance is well prepared for the next use.

[0035] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

[0036] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed as above with reference to the preferred embodiment, it is not intended to limit the present application, and any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any brief introduction, modification, equivalent change and modification of the above embodiment according to the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A biomass combustion pellet production and screening apparatus comprising a main base (1), characterised in that, The upper wall of the main base (1) is fixedly installed with a column (2), the column (2) is fixedly installed with a main box (3), the main box (3) is rotatably installed with a screening cylinder (4), the upper part of the screening cylinder (4) is provided with a wind pre-screening structure, the lower end of the screening cylinder (4) is provided with a dust removal and air supply structure, the main box (3) and the lower end of the screening cylinder (4) are provided with a cleaning air supply structure, and the main box (3) is provided with a screening cylinder rolling structure.

2. A biomass combustion pellet production and screening apparatus according to claim 1, wherein The screening cylinder (4) is provided with a screening hole (5), the tail end of the screening cylinder (4) is provided with a discharge sleeve (6), the output end of the wind pre-screening structure is connected to the inside of the screening cylinder (4), and the output end of the dust removal and air supply structure is located below the screening cylinder (4).

3. A biomass combustion pellet production and screening apparatus according to claim 1, wherein The wind pre-screening structure comprises an upper throwing and spreading part and a lower throwing and spreading part, the upper throwing and spreading part and the lower throwing and spreading part are respectively provided with a conveying unit, the output end of the upper throwing and spreading part is located above the input end of the lower throwing and spreading part, the upper throwing and spreading part is provided with a feeding hopper (7), and the upper throwing and spreading part and the lower throwing and spreading part are fixedly installed in the main box (3).

4. A biomass combustion pellet production and screening apparatus according to claim 3, wherein The conveying unit comprises a conveying pipe (8), the upper end of the conveying pipe (8) is provided with a feeding port (9), the conveying pipe (8) is rotatably installed with a rotating shaft (10), the rotating shaft (10) is fixedly installed with a screw blade (11), one end of the conveying pipe (8) is fixedly installed with a driving motor (12), and the driving end of the driving motor (12) is fixedly connected to one end of the rotating shaft (10).

5. The biomass combustion pellet production and screening apparatus of claim 1, wherein The cleaning air supply structure comprises an air supply pipe (13), the air supply pipe (13) is fixedly installed on the main box (3), the air supply pipe (13) is fixedly installed with an air supply fan (14), a filter plate (15) and a resistance heating wire (16) in the air supply pipe (13).

6. A biomass combustion pellet production and screening apparatus according to claim 1, wherein The main box (3) and the rear of the wind pre-screening structure are fixedly installed with an exhaust pipe (17), the rear of the exhaust pipe (17) is fixedly installed with an exhaust fan (18), and the exhaust pipe (17) is fixedly installed with an adsorption bag (19) therein.

7. The biomass combustion pellet production and screening apparatus of claim 1, wherein The screening cylinder rolling structure comprises a roller motor (20), the roller motor (20) is fixedly installed on the upper wall of the main box (3), the driving end of the roller motor (20) is fixedly installed with a driving gear (21), the screening cylinder (4) is fixedly installed with a driven gear (22), and the driving gear (21) is meshedly connected with the driven gear (22).

8. The biomass combustion pellet production and screening apparatus of claim 1, wherein The upper wall of the main base (1) and below the screening cylinder (4) is fixedly provided with a fine material box (23), and the upper wall of the main base (1) and below the output end of the screening cylinder (4) is fixedly installed with a coarse material box (24).

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