A granulating device dust falling device with adjustable air volume
Through integrated design and hierarchical collection structure, the problems of large size, non-adjustable air volume, and difficult maintenance of dust removal devices in granulation equipment have been solved, realizing precise adjustment of air volume and convenient maintenance, and improving dust removal effect and material recovery efficiency.
Patent Information
- Application Number
- CN202621101966.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-07-21
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2036-07-21
AI Technical Summary
Existing dust suppression devices in granulation equipment suffer from problems such as large size, unadjustable air volume, difficult maintenance, and lack of graded collection capabilities, resulting in unstable dust removal effects and increased material loss.
A dust suppression device for granulation equipment with adjustable airflow was designed. The dust suppression structure is integrated with the granulator through components such as support components, conical cylinder, fixed cylinder, dust cover components and adjustable valve body, so as to achieve precise control of airflow. A dust capture mechanism and filter components are set up for graded collection, simplifying the maintenance process.
It achieves equipment compactness and on-site adaptability, reduces energy consumption, improves dust removal effect, and reduces the treatment burden of fine powder mixed into the exhaust gas through graded collection, thereby improving material recovery efficiency.
Smart Images
Figure CN224672385U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of separation technology, specifically to a dust suppression device for granulation equipment with adjustable airflow. Background Technology
[0002] In the granulation production process of industries such as fertilizers, chemicals, and pharmaceuticals, a large amount of gas containing dust particles is often generated at the feed and discharge ports of granulation equipment. If this dust is directly emitted into the workshop environment, it will not only seriously pollute the air in the workplace and endanger the health of operators, but also cause material loss. Therefore, it is essential to install dust suppression devices at the feed and discharge ports of granulation equipment.
[0003] Currently, common dust suppression measures include installing a collection hood above the dust-generating point and introducing the dust-laden gas into an external bag filter or wet scrubbing tower for purification via pipelines. However, existing technologies have the following problems in practical applications: First, external dust removal equipment is usually bulky, with complex pipeline connections, occupying a large amount of production space; second, fixedly installed collection hoods cannot flexibly adjust the airflow according to changes in material characteristics and dust generation, resulting in unstable dust removal effects or energy waste; third, the suction port and filter components mostly adopt an integrated welded structure, making cleaning and maintenance difficult after internal dust accumulation, requiring shutdown and disassembly of a large number of pipelines; fourth, there is a lack of capacity for graded collection and treatment of dust of different particle sizes, with a large amount of useful fine powder being mixed into the exhaust gas and discharged together, increasing the burden of subsequent processing and material loss. Therefore, how to design a dust suppression device for granulation equipment that is compact, has adjustable airflow, is easy to maintain, and has the capacity for graded collection has become a technical problem that urgently needs to be solved in this field. Utility Model Content
[0004] The purpose of this utility model is to provide a dust suppression device for granulation equipment with adjustable air volume, which has the advantages of compact structure, adjustable air volume, easy maintenance and graded dust collection, thus solving the problems in the prior art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: A dust suppression device for an adjustable airflow granulation equipment includes a granulator body, a support assembly disposed on the outer peripheral wall of the granulator body, a conical cylinder fixed to the upper end of the feed inlet of the granulator body, a fixed cylinder fixed to the upper end of the conical cylinder, a discharge hopper fixed to the lower end of the discharge outlet of the granulator body, a dust cover assembly disposed outside the discharge hopper, a support platform disposed outside the granulator body, an air pump fixed to the upper end of the support platform, a fixed frame fixed to the side wall of the support platform, a controller fixed to the fixed frame, a hollow tank fixed to the upper end of the fixed frame, a fixed pipe fixed to the upper end of the hollow tank, a first exhaust pipe fixed to the lower end of the hollow tank, and a through-hole pipe. The system includes a dust collection can fixedly connected to the inside of a fixed cylinder via a connecting assembly; a filter assembly slidably disposed inside the dust collection can; a second threaded hole penetrating the upper end of the dust collection can; a mounting cylinder threaded onto the inner wall of the second threaded hole; a second suction pipe fixedly connected to the upper end of the mounting cylinder; a first valve body disposed on the second suction pipe; a third threaded hole penetrating the lower end of the dust collection can; a dust capture mechanism threaded into the third threaded hole; and multiple dust storage mechanisms penetratingly fixed to the lower end of the dust collection can. The suction end of the air pump is connected to the lower end of the first suction pipe via a pipe. The upper end of the second suction pipe is connected to the fixed pipe. The controller is electrically connected to the air pump and the first valve body, respectively.
[0006] Preferably, the support assembly includes a first fixing ring fixed to the outer peripheral wall of the granulator body, a fixing block fixed to the lower end of the first fixing ring, and a support leg fixed to the lower end of the fixing block; the number of the first fixing rings is four.
[0007] It is worth noting that by setting four first fixing rings and support legs, stable and balanced support is provided for the granulator body, which effectively reduces the noise caused by vibration during equipment operation, and at the same time facilitates cleaning and maintenance under the granulator body.
[0008] Preferably, the connecting assembly includes a plurality of fixing posts fixed to the inner wall of the fixed cylinder, and a second fixing ring fixed to the plurality of fixing posts near the center end of the fixed cylinder; the plurality of fixing posts are equidistantly distributed along the circumferential direction of the inner wall of the fixed cylinder; the dust collection can is fixed to the inner wall of the second fixing ring.
[0009] It is worth noting that by using circumferentially equidistant fixed columns to suspend and fix the second fixed ring inside the fixed cylinder, an annular airflow channel is formed between the dust collection can and the fixed cylinder. The dust-laden gas can pass through this channel and bypass the outer wall of the dust collection can, effectively avoiding interference between the dust collection can and the material input at the feed inlet.
[0010] Preferably, the dust cover assembly includes two connecting blocks fixed to both sides of the discharge hopper, and a dust cover that is fixed to both connecting blocks at one end close to each other.
[0011] It is worth noting that by fixing the dust cover to both sides of the discharge hopper with connecting blocks, it can form a barrier for the material falling from the discharge port, effectively suppressing the dust raised when the material falls and spreading to the surroundings, thus improving the operating environment of the discharge area.
[0012] Preferably, the filter assembly includes a third fixing ring fixed to the middle of the inner wall of the vacuum cleaner can, a movable box slidably disposed on the inner wall of the third fixing ring, a fourth fixing ring fixed to the outer peripheral wall of the movable box, a handheld post fixed to the inner wall of the movable box, and a filter screen fixed through the lower end of the movable box; the lower end face of the fourth fixing ring is in contact with the upper end face of the third fixing ring.
[0013] It is worth noting that the drawer-type installation structure of the filter assembly is achieved through the sliding cooperation between the movable box and the third fixing ring, and the end face fitting and limiting of the fourth fixing ring and the third fixing ring. Operators only need to lift the hand column to take out the movable box and the filter screen together for cleaning, without disassembling any pipelines, making maintenance extremely convenient.
[0014] Preferably, the first valve body is a manual regulating valve or an electric regulating valve.
[0015] It is worth noting that by setting the first valve body as a manual or electric regulating valve, the operator or control system can adjust the airflow cross-sectional area in the extraction pipe in real time according to the change of material dust concentration, thereby accurately controlling the air intake of the dust collection can, reducing the energy consumption of the air pump while ensuring the dust removal effect.
[0016] Preferably, multiple dust storage mechanisms are evenly distributed along the circumference of the dust collection can; the dust storage mechanism includes a collection pipe that is fixedly connected to the lower end of the dust collection can, a second valve body disposed on the collection pipe, and a dust collection box that is threaded onto the inner wall of the collection pipe.
[0017] It is worth noting that the dust storage mechanism is evenly distributed around the circumference of the dust collection can, so that the dust that is intercepted by the filter components and settles naturally can fall evenly into each dust collection box, avoiding local accumulation; the threaded dust collection box is easy to disassemble and empty, and the second valve can be closed when the dust collection box is disassembled to prevent airflow short circuit.
[0018] Preferably, the axis of the hollow can is coaxial with the axis of the fixed tube and the first suction tube; the lower end of the first suction tube extends to the top of the inner wall of the hollow can; the third screw hole is located at the center of the lower end of the vacuum can.
[0019] It is worth noting that the coaxial arrangement ensures the uniform distribution of airflow inside the hollow tank. The gap between the lower end of the first suction pipe and the bottom surface of the hollow tank acts as a gas buffer and primary sedimentation, which helps gas-liquid or gas-solid separation.
[0020] Preferably, the dust collection mechanism includes a first mounting tube threaded onto the inner wall of a third screw hole, a first hollow disc fixed to the lower end of the first mounting tube, a plurality of first dust extraction holes extending through the upper end of the first hollow disc, and a sponge disc fixed to the bottom surface of the inner wall of the first hollow disc.
[0021] It is worth noting that through the multiple first dust extraction holes opened at the top of the first hollow disc, the dust-laden gas in the settling zone at the bottom of the dust collection tank can be evenly sucked in. The sponge disc, as an interception medium, can effectively capture the fine dust particles carried in the airflow and prevent them from being directly drawn into the filter components above, thus realizing the two-stage collection of dust.
[0022] Preferably, the dust collection mechanism includes a second mounting tube threaded onto the inner wall of a third screw hole, a second hollow disc fixed to the lower end of the second mounting tube, a plurality of second dust extraction holes penetrating the upper end of the second hollow disc, a first screw hole penetrating the lower end of the second hollow disc, and a mounting box threaded onto the inner wall of the first screw hole; a small amount of water can be injected into the mounting box for wet dust suppression.
[0023] It is worth noting that by setting a detachable mounting box at the lower end of the second hollow disc and injecting a small amount of water into the mounting box, when the dust-laden gas enters the second hollow disc through the second dust extraction hole, the dust comes into contact with the water and is wetted and settled, thus achieving efficient wet dust suppression. At the same time, the mounting box is detachable, which makes it easy to replace the water or clean the sludge, and is suitable for the treatment needs of high-concentration or sticky dust.
[0024] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model integrates the dust suppression structure with the granulator body by setting up a support component, a conical cylinder, a fixed cylinder, a discharge hopper and a dust cover component, which solves the problem of the large size and space occupation of existing external dust removal equipment, and significantly improves the compactness and on-site adaptability of the equipment. 2. This utility model solves the problem of fixed air volume in existing gas collection hoods, which cannot adapt to changes in dust generation, resulting in energy waste or poor dust removal effect. It achieves precise air volume control and energy-saving operation. 3. This utility model sets up a filter component that is slidably installed inside the dust collection tank. The movable box slides with the third fixed ring, and the fourth fixed ring fits and limits the end face of the third fixed ring. The operator only needs to lift the hand column to take out the movable box and filter screen for cleaning. This solves the problem of the existing integrated welding of the dust collection port and filter component and the difficulty of cleaning and maintenance, and realizes convenient maintenance without disassembling the pipeline. 4. This utility model forms a two-stage collection structure by setting up a dust capture mechanism (sponge disc type or water-filled wet type) and a filter component, and sets up multiple dust temporary storage mechanisms with second valves and dust collection boxes at the lower end of the dust collection tank. During operation, the pump can be stopped intermittently and the second valves can be opened to temporarily store some dust into the dust collection box. This solves the problems of existing devices lacking graded collection capabilities and fine powder mixing into the exhaust gas, which increases the processing burden. It realizes graded treatment and resource recovery of dust. Attached Figure Description
[0025] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model; Figure 2 The diagram shown is a three-dimensional structural schematic of the air pump of this utility model; Figure 3 The diagram shown is a three-dimensional cross-sectional view of the dust collection can of this utility model. Figure 4 The diagram shown is a three-dimensional structural schematic of the dust storage mechanism of this utility model. Figure 5 The diagram shown is a three-dimensional cross-sectional view of the first embodiment of the dust-catching mechanism of this utility model. Figure 6 The diagram shown is a three-dimensional cross-sectional view of a second embodiment of the dust-catching mechanism of this utility model.
[0026] Reference numerals: 1. Granulator body; 2. First fixing ring; 3. Fixing block; 4. Support leg; 5. Discharge hopper; 6. Connecting block; 7. Dust cover; 8. Conical cylinder; 9. Fixing cylinder; 10. Support platform; 11. Air pump; 12. Fixing frame; 13. Controller; 14. Hollow tank; 15. Fixing pipe; 16. First suction pipe; 17. Fixing column; 18. Second fixing ring; 19. Dust collection tank; 1901. First mounting pipe; 1902. First hollow disc; 1903. First... Dust extraction port; 1904, sponge tray; 1905, second mounting tube; 1906, second hollow tray; 1907, second dust extraction port; 1908, first screw hole; 1909, mounting box; 20, third fixing ring; 21, movable box; 22, fourth fixing ring; 23, filter screen; 24, handheld column; 25, second screw hole; 26, mounting cylinder; 27, second exhaust pipe; 28, first valve body; 29, third screw hole; 30, collection pipe; 31, second valve body; 32, dust collection box. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] To address the problems of loose structure, unadjustable airflow, difficult maintenance, and lack of staged collection capabilities in existing technologies, the following technical solution is proposed. Please refer to [link / reference needed]. Figures 1 to 6 .
[0029] A dust suppression device for an adjustable airflow granulation equipment includes a granulator body 1, a support assembly disposed on the outer peripheral wall of the granulator body 1, a conical cylinder 8 fixed to the upper end of the feed inlet of the granulator body 1, a fixed cylinder 9 fixed to the upper end of the conical cylinder 8, a discharge hopper 5 fixed to the lower end of the discharge outlet of the granulator body 1, a dust cover assembly disposed outside the discharge hopper 5, a support platform 10 disposed outside the granulator body 1, an air pump 11 fixed to the upper end of the support platform 10, a fixed frame 12 fixed to the side wall of the support platform 10, a controller 13 fixed to the fixed frame 12, a hollow tank 14 fixedly connected to the upper end of the fixed frame 12, a fixed pipe 15 fixedly connected to the upper end of the hollow tank 14, a first exhaust pipe 16 fixedly connected to the lower end of the hollow tank 14, and a connection via... The components include a dust collection can 19 fixedly connected inside the fixed cylinder 9, a filter component slidably disposed inside the dust collection can 19, a second screw hole 25 penetrating through the upper end of the dust collection can 19, a mounting cylinder 26 threadedly installed on the inner wall of the second screw hole 25, a second suction pipe 27 fixedly connected to the upper end of the mounting cylinder 26, a first valve body 28 disposed on the second suction pipe 27, a third screw hole 29 penetrating through the lower end of the dust collection can 19, a dust capture mechanism threadedly installed in the third screw hole 29, and multiple dust storage mechanisms penetratingly fixed to the lower end of the dust collection can 19; the suction end of the air pump 11 is connected to the lower end of the first suction pipe 16 through a pipe; the upper end of the second suction pipe 27 is connected to the fixed pipe 15; and the controller 13 is electrically connected to the air pump 11 and the first valve body 28 respectively.
[0030] In this embodiment, specifically, the support assembly includes a first fixing ring 2 fixed to the outer peripheral wall of the granulator body 1, a fixing block 3 fixed to the lower end of the first fixing ring 2, and a support leg 4 fixed to the lower end of the fixing block 3; the number of the first fixing rings 2 is four.
[0031] In this embodiment, specifically, the connecting assembly includes a plurality of fixing posts 17 fixed to the inner wall of the fixing cylinder 9, and a second fixing ring 18 fixed to the plurality of fixing posts 17 near the center end of the fixing cylinder 9; the plurality of fixing posts 17 are equidistantly distributed along the circumferential direction of the inner wall of the fixing cylinder 9; the dust collection can 19 is fixed to the inner wall of the second fixing ring 18.
[0032] In this embodiment, specifically, the dust cover assembly includes two connecting blocks 6 fixed to both sides of the discharge hopper 5, and a dust cover 7 fixed to one end of the two connecting blocks 6 that is close to each other.
[0033] In this embodiment, specifically, the filter assembly includes a third fixing ring 20 fixed to the middle of the inner wall of the vacuum cleaner 19, a movable box 21 slidably disposed on the inner wall of the third fixing ring 20, a fourth fixing ring 22 fixed to the outer peripheral wall of the movable box 21, a handheld post 24 fixed to the inner wall of the movable box 21, and a filter screen 23 fixed through the lower end of the movable box 21; the lower end face of the fourth fixing ring 22 is in contact with the upper end face of the third fixing ring 20.
[0034] In this embodiment, specifically, the first valve body 28 is a manual regulating valve or an electric regulating valve.
[0035] In this embodiment, specifically, multiple dust storage mechanisms are evenly distributed along the circumference of the dust collection can 19; the dust storage mechanism includes a collection pipe 30 that is fixedly connected to the lower end of the dust collection can 19, a second valve body 31 disposed on the collection pipe 30, and a dust collection box 32 that is threadedly installed on the inner wall of the collection pipe 30.
[0036] In this embodiment, specifically, the axis of the hollow can 14 is coaxial with the axis of the fixed tube 15 and the first suction tube 16; the lower end of the first suction tube 16 extends to the top of the inner wall bottom surface of the hollow can 14; the third screw hole 29 is located at the lower center of the dust collection can 19.
[0037] Example 1: In this example, the dust collection mechanism specifically includes a first mounting tube 1901 threaded onto the inner wall of the third screw hole 29, a first hollow disc 1902 fixed to the lower end of the first mounting tube 1901, a plurality of first dust extraction holes 1903 penetrating the upper end of the first hollow disc 1902, and a sponge disc 1904 fixed to the bottom surface of the inner wall of the first hollow disc 1902.
[0038] Example 2: As another alternative implementation, the dust collection mechanism includes a second mounting tube 1905 threaded onto the inner wall of the third screw hole 29, a second hollow disc 1906 fixed to the lower end of the second mounting tube 1905, a plurality of second dust extraction holes 1907 penetrating the upper end of the second hollow disc 1906, a first screw hole 1908 penetrating the lower end of the second hollow disc 1906, and a mounting box 1909 threaded onto the inner wall of the first screw hole 1908; a small amount of water can be injected into the mounting box 1909 for wet dust suppression.
[0039] Working principle: When in use, turn on the controller 13 to start the air pump 11. The air pump 11 draws air from the inside of the dust collection tank 19 through the first suction pipe 16, the hollow tank 14, the fixed pipe 15 and the second suction pipe 27, so that a negative pressure is formed inside the dust collection tank 19. The operator adjusts the opening of the first valve body 28 according to the dust concentration of the material through the controller 13 or manually to control the air volume. At the inlet, dust-laden air enters the dust collection tank 19 from the dust capture mechanism at the bottom of the dust collection tank 19 under negative pressure. After passing through the filter assembly, the clean gas enters the second exhaust pipe 27 through the mounting cylinder 26 and is discharged. At the outlet, the dust raised by the falling material is blocked by the dust cover 7 to prevent it from spreading to the surroundings. After the dust-laden gas enters the dust collection canister 19, it first undergoes primary treatment by the dust capture mechanism: In Example 1, the airflow enters through the first dust extraction hole 1903, and the dust is adsorbed by the damp sponge disc 1904; In Example 2, a small amount of water is pre-filled into the mounting box 1909, and after the dust-laden gas enters the second hollow disc 1906 through the second dust extraction hole 1907, it impacts the water surface or comes into contact with the water, and the dust is captured by the water and settles in the mounting box 1909. After the primary treatment, the airflow continues to rise, and after secondary filtration by the filter screen 23, the clean gas is discharged through the second exhaust pipe 27. During this process, the air pump 11 can be stopped intermittently and the second valve 31 can be opened so that some of the dust attached to the inner wall of the dust collection can 19 and the filter assembly falls into the dust collection box 32 through the collection pipe 30 under the action of gravity for temporary storage, so as to reduce the dust load on the surface of the filter assembly. During maintenance shutdown, operators can lift the handle column 24 upwards to remove the movable box 21 and filter screen 23 for cleaning; unscrew the dust collection box 32 or mounting box 1909, open the second valve body 31, and then empty the collected dust or replace the dust-laden wastewater. The entire cleaning process does not require disassembly of external pipelines, making operation simple and quick.
[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0041] 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 these embodiments without departing from the principles and spirit of the present invention.
Claims
1. A dust suppression device for granulation equipment with adjustable airflow, characterized in that, The granulator body (1) includes a support assembly on the outer periphery of the granulator body (1), a conical cylinder (8) fixed to the upper end of the feed inlet of the granulator body (1), a fixed cylinder (9) fixed to the upper end of the conical cylinder (8), a discharge hopper (5) fixed to the lower end of the discharge outlet of the granulator body (1), a dust cover assembly on the outside of the discharge hopper (5), a support platform (10) on the outside of the granulator body (1), an air pump (11) fixed to the upper end of the support platform (10), a fixed frame (12) fixed to the side wall of the support platform (10), a controller (13) fixed to the fixed frame (12), a hollow tank (14) fixed to the upper end of the fixed frame (12), a fixed pipe (15) fixed to the upper end of the hollow tank (14), a first air extraction pipe (16) fixed to the lower end of the hollow tank (14), and a connection assembly fixed to the solid. The vacuum canister (19) inside the fixed cylinder (9), the filter assembly slidably disposed inside the vacuum canister (19), the second screw hole (25) penetrating the upper end of the vacuum canister (19), the mounting cylinder (26) threadedly installed on the inner wall of the second screw hole (25), the second suction pipe (27) fixedly connected to the upper end of the mounting cylinder (26), the first valve body (28) disposed on the second suction pipe (27), the third screw hole (29) penetrating the lower end of the vacuum canister (19), the dust capture mechanism threadedly installed in the third screw hole (29), and multiple dust storage mechanisms penetratingly fixedly connected to the lower end of the vacuum canister (19); the suction end of the air pump (11) is connected to the lower end of the first suction pipe (16) through a pipe; the upper end of the second suction pipe (27) is connected to the fixed pipe (15); the controller (13) is electrically connected to the air pump (11) and the first valve body (28) respectively.
2. The dust suppression device for an adjustable airflow granulation equipment according to claim 1, characterized in that, The support assembly includes a first fixing ring (2) fixed to the outer peripheral wall of the granulator body (1), a fixing block (3) fixed to the lower end of the first fixing ring (2), and a support leg (4) fixed to the lower end of the fixing block (3); the number of the first fixing ring (2) is four.
3. The dust suppression device for an adjustable airflow granulation equipment according to claim 1, characterized in that, The connecting assembly includes multiple fixing posts (17) fixed to the inner wall of the fixing cylinder (9), and a second fixing ring (18) fixed to the multiple fixing posts (17) near the center end of the fixing cylinder (9); the multiple fixing posts (17) are equidistantly distributed along the circumferential direction of the inner wall of the fixing cylinder (9); the dust collection can (19) is fixed to the inner wall of the second fixing ring (18).
4. The dust suppression device for an adjustable airflow granulation equipment according to claim 1, characterized in that, The dust cover assembly includes two connecting blocks (6) fixed to both sides of the discharge hopper (5), and a dust cover (7) fixed to one end of the two connecting blocks (6) close to each other.
5. The dust suppression device for an adjustable airflow granulation equipment according to claim 1, characterized in that, The filter assembly includes a third fixing ring (20) fixed to the middle of the inner wall of the vacuum can (19), a movable box (21) slidably disposed on the inner wall of the third fixing ring (20), a fourth fixing ring (22) fixed to the outer peripheral wall of the movable box (21), a handheld post (24) fixed to the inner wall of the movable box (21), and a filter screen (23) fixed through the lower end of the movable box (21); the lower end face of the fourth fixing ring (22) is in contact with the upper end face of the third fixing ring (20).
6. The dust suppression device for an adjustable airflow granulation equipment according to claim 1, characterized in that, The first valve body (28) is a manual regulating valve or an electric regulating valve.
7. The dust suppression device for an adjustable airflow granulation equipment according to claim 1, characterized in that, Multiple dust storage mechanisms are evenly distributed around the circumference of the dust collection can (19); the dust storage mechanism includes a collection pipe (30) that is fixed to the lower end of the dust collection can (19), a second valve body (31) that is disposed on the collection pipe (30), and a dust collection box (32) that is threaded onto the inner wall of the collection pipe (30).
8. The dust suppression device for an adjustable airflow granulation equipment according to claim 1, characterized in that, The axis of the hollow can (14) is coaxial with the axis of the fixed tube (15) and the first suction tube (16); the lower end of the first suction tube (16) extends to the top of the inner wall of the hollow can (14); the third screw hole (29) is located at the center of the lower end of the vacuum can (19).
9. A dust suppression device for an adjustable airflow granulation equipment according to claim 8, characterized in that, The dust collection mechanism includes a first mounting tube (1901) threaded onto the inner wall of the third screw hole (29), a first hollow disc (1902) fixed to the lower end of the first mounting tube (1901), a plurality of first dust extraction holes (1903) penetrating the upper end of the first hollow disc (1902), and a sponge disc (1904) fixed to the bottom surface of the inner wall of the first hollow disc (1902).
10. A dust suppression device for an adjustable airflow granulation equipment according to claim 8, characterized in that, The dust collection mechanism includes a second mounting tube (1905) threaded onto the inner wall of the third screw hole (29), a second hollow disc (1906) fixed to the lower end of the second mounting tube (1905), a plurality of second dust extraction holes (1907) penetrating the upper end of the second hollow disc (1906), a first screw hole (1908) penetrating the lower end of the second hollow disc (1906), and a mounting box (1909) threaded onto the inner wall of the first screw hole (1908).