Slag span dust removal mechanism

Abstract

The invention relates to the technical field of dust removal equipment, and provides a slag span dust removal mechanism which comprises a frame body, a plurality of filter plates arranged on the frame body, a hydraulic cylinder and a head plate for driving the filter plates to be pressed and separated, a plate pulling mechanism for sequentially pulling the filter plates, and an elastic shaking mechanism arranged between the adjacent filter plates, the elastic shaking mechanism comprises a piece of rebounding floating cloth, and a connecting hole is formed in the floating cloth; a limiting rod is arranged on the filter plate, and the limiting rod is inserted into the connecting hole in a press fit state of the filter plate; when the plate pulling mechanism pulls the filter plate to move to a set position, the limiting rod is separated from the connecting hole, and the floating cloth rebounds upwards to strip filter residues.

Description

Technical Field

[0001] This invention relates to the field of dust removal equipment technology, and specifically to a dust removal mechanism for slag bays. Background Technology

[0002] During the dust removal process in the slag compartment, a large amount of smoke and dust will be generated and will come into contact with dirt to form a slurry. When filtering this slurry, the filter plates are usually separated by pulling them one by one by a plate puller set on the frame, thereby separating adjacent filter plates. Theoretically, the filter cake should fall off automatically under the action of gravity.

[0003] However, in practical applications, the filter cake formed after dewatering the dust removal slurry often has high viscosity and tends to adhere tightly to the filter cloth surface. During the plate pulling process, the slight shaking caused by the separation of the filter plates or the weight of the filter cake itself is often insufficient to overcome the adhesion between the filter cake and the filter cloth, resulting in the filter cake failing to detach smoothly.

[0004] Currently, although some filters are equipped with backflushing mechanisms to assist in unloading through airflow backflushing, this method is not ideal for highly adhesive filter cakes, and some filter cake often remains on the filter cloth of the filter plate. These residual filter cakes not only clog the pores of the filter cloth and affect the efficiency of the next dewatering cycle, but also often require manual scraping or cleaning with tools, which greatly increases the labor intensity of workers and reduces operating efficiency. To address this, we propose a slag cross-slab dust removal mechanism. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the present invention provides a slag removal dust removal mechanism, which overcomes the shortcomings of the prior art, has a reasonable design and compact structure, and solves the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A slag removal dust collection mechanism includes a frame, multiple filter plates mounted on the frame, a hydraulic cylinder and a head plate for driving the filter plates to press and separate, and a plate pulling mechanism for sequentially pulling the filter plates.

[0008] It also includes a spring-shaking mechanism located between adjacent filter plates;

[0009] The spring mechanism includes a resilient floating cloth with connecting holes.

[0010] The filter plate is equipped with a limiting rod, which is inserted into the connecting hole when the filter plate is pressed together;

[0011] When the plate pulling mechanism pulls the filter plate to the set position, the limit rod disengages from the connecting hole, and the floating cloth rebounds upward to peel off the filter residue.

[0012] Preferably, the vibration mechanism also includes a fabric hanging plate and a strong spring;

[0013] The hanging plate is connected to the frame, and the upper end of the strong spring is connected to the hanging plate, while the lower end is connected to the floating cloth.

[0014] Preferably, the hanging panel is connected to a liftable frame, which is driven to rise and fall by a lifting cylinder.

[0015] Preferably, the hanging plate is attached to the frame by hooks, and the frame can be lifted to stretch the strong spring during the filter plate pressing and filtration process.

[0016] Preferably, a metal ring is provided inside the connecting hole.

[0017] Preferably, the plate pulling mechanism includes a plate sliding block that slides along the guide rail, a plate puller disposed on the plate sliding block, and a wedge disposed on the plate sliding block, the wedge having a concave surface;

[0018] The filter plate is equipped with a filter plate pulley. During the plate pulling process, the filter plate pulley slides along the concave surface and slips off the concave surface when the plate pulling stops, causing the filter plate to vibrate.

[0019] Preferably, the concave surface has an arc-shaped structure.

[0020] Preferably, the limiting rod is located on the mounting frame at the bottom of the filter plate.

[0021] Preferably, the headboard is connected to headboard pulleys on both sides, and the headboard pulleys are attached to the crossbeams of the frame.

[0022] This invention provides a slag removal dust collection mechanism. It has the following beneficial effects:

[0023] 1. Through the sliding connection between the pull plate slider and the guide rail, and the abutting cooperation between the pull plate device and the filter plate ear, the transmission device drives the pull plate slider to move back and forth along the guide rail, so that the filter plate cooperates with the wedge and its inner concave surface during the pull-back process. When the filter plate pulley slips off from the inner concave surface and falls, instantaneous vibration is generated, realizing the passive shaking off of the filter residue adhering to the filter plate surface.

[0024] 2. The lifting frame raises multiple spring-like mechanisms, which can then stretch the springs to store energy. When the limit rod disengages from the connecting hole, it triggers a powerful spring that causes the floating cloth to rebound instantly, creating a whipping effect that improves the overall reliability of dust removal and unloading. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the present invention;

[0026] Figure 2 For the present invention Figure 1 A three-dimensional schematic diagram;

[0027] Figure 3 For the present invention Figure 2Partial structural diagram;

[0028] Figure 4 For the present invention Figure 3 Partial schematic diagram;

[0029] Figure 5 This is a schematic diagram of the filter plate of the present invention;

[0030] Figure 6 This is a schematic diagram of the spring-shaking mechanism of the present invention.

[0031] In the diagram: 1. Frame; 11. Hydraulic cylinder; 12. Head plate; 13. Head plate pulley; 14. Guide rail; 15. Frame; 2. Filter plate; 21. Filter plate ear; 22. Filter plate pulley; 23. Mounting frame; 24. Limiting rod; 3. Pulling plate mechanism; 31. Pulling plate slider; 32. Pulling plate device; 33. Wedge block; 34. Concave surface; 4. Springing mechanism; 41. Cloth hanging plate; 42. Strong spring; 43. Floating cloth; 44. Connecting hole. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, what is described is only a part of this invention, not all of it. All other works obtained by those skilled in the art based on this invention without inventive effort are within the scope of protection of this invention.

[0033] See attached document Figures 1-6 A slag removal dust collection mechanism includes a frame 1. Multiple filter plates 2 are sequentially distributed along the crossbeams within the frame 1. A hydraulic cylinder 11 connected to one end of the frame 1 has a head plate 12 connected to its output end. The head plate 12 presses against the multiple filter plates 2 along the crossbeams. Head plate pulleys 13 are connected to both sides of the head plate 12, and the head plate pulleys 13 overlap the crossbeams to reduce friction during the displacement of the head plate 12.

[0034] Filter plate 2 is connected to filter plate ears 21 on both sides. The filter plate ears 21 extend to both sides and the bottom of the filter plate ears 21 overlaps with the crossbeam. Filter plate pulleys 22 are also connected to the extended ends of the filter plate ears 21.

[0035] A guide rail 14 of the same length is connected to the outer side of the crossbeam. A pull plate mechanism 3, which can slide along the guide rail 14, is connected to the guide rail 14 via a transmission device. The transmission device is generally a sprocket located at both ends of the frame 1. The two sprockets are connected by a chain meshing. One of the sprockets is driven by a motor to rotate back and forth. The pull plate mechanism 3 is fixedly connected to the chain, thereby realizing the reciprocating movement of the pull plate mechanism 3 along the direction of the guide rail 14.

[0036] The plate pulling mechanism 3 includes a plate pulling slider 31 that slides along the guide rail 14, and a plate puller 32 is fixedly installed on the plate pulling slider 31. When the transmission device rotates forward, it drives the plate pulling slider 31 to slide along the guide rail 14 and reach the filter plate 2. When the slider reaches the filter plate 2, the pull rod of the plate puller 32 abuts against the filter plate ear 21. As the slider continues to slide, the compressible torsion spring of the filter plate ear 21 causes the pull rod to pop out from the rear of the filter plate ear 21. At this time, the transmission device drives the reverse rotation, pulling back the plate pulling slider 31. The pull rod of the plate puller 32 abuts against the rear of the filter plate ear 21, thereby pulling back the filter plate 2.

[0037] Furthermore, a wedge 33 is fixedly installed on the pull plate slider 31. The end of the wedge 33 facing towards the filter plate 2 is inclined, and the concave surface 34 at the top of the wedge 33 corresponds to the filter plate pulley 22 connected to the filter plate 2. When the pull rod on the pull plate device 32 abuts against the rear of the filter plate ear 21, the wedge 33 lifts the filter plate ear 21 and the filter plate pulley 22 is positioned at the corresponding position on the concave surface 34. When the filter plate 2 is pulled back to the designated position, the pull plate slider 31 stops actively, and the filter plate 2 continues to slide out from the concave surface 34 under the action of inertial force until it slides off the concave surface 34 onto the crossbeam. The resulting vibration can remove the filter residue remaining on the surface of the filter plate 2.

[0038] A height-adjustable frame 15 is also mounted on the frame 1. Several spring-loaded mechanisms 4 are connected between the frames 15, and the spring-loaded mechanisms 4 are located between adjacent filter plates 2. The spring-loaded mechanism 4 includes a hanging plate 41 that is attached to the frame 15 by hooks. Several strong springs 42 are connected to the bottom of the hanging plate 41, and the strong springs 42 are connected to the same floating cloth 43. Several connecting holes 44 are opened at the bottom of the floating cloth 43. A downwardly extending mounting frame 23 is also connected to the bottom of the filter plate ear 21. The bottom crossbar of the mounting frame 23 is connected to a number of limiting rods 24 corresponding to the connecting holes 44.

[0039] When the floating cloth 43 naturally swings down, it will stretch the strong spring 42 downwards. When the hydraulic cylinder 11 pushes the head plate 12 to hold the filter plates 2 against each other, after the slurry is injected, the head plate 12 further holds them together, compressing their interior. At this time, the limiting rod 24 connected to the filter plate 2 is inserted into the connecting hole 44 on the floating cloth 43. Through the floating cloth 43 and the filter cloth connected to the filter plate 2, the filter residue will be retained on the filter cloth and the floating cloth 43.

[0040] When unloading is required, the frame 15 is first raised, and the entire frame 15 moves upward. At this time, since the filter plate 2 is still not separated, the limiting rod 24 is still inserted in the connecting hole 44 at the bottom of the floating cloth 43, restricting the upward movement of the floating cloth 43. Therefore, the upward movement of the frame 15 forcibly stretches the strong tension spring 42, allowing it to accumulate elastic potential energy. Subsequently, the pulling plate mechanism 3 pulls the filter plate 2 horizontally. When the filter plate moves to the set position, the limiting rod 24 is horizontally disengaged from the connecting hole 44. The unrestricted floating cloth 43 is instantly impacted upward by the rebound action of the strong tension spring 42, generating a violent whipping effect, forcibly peeling off the filter cake and residue adhering to the floating cloth 43 and adjacent filter cloths.

[0041] Furthermore, a lifting cylinder is provided at the connection end between the frame 15 and the hydraulic cylinder 11, which can push the frame 15 to lift as a whole. When the filter plate 2 compresses and filters, lifting the frame 15 can further enhance the whipping effect of the floating cloth 43, thereby achieving further removal of filter residue.

[0042] A metal ring is used to secure the connection within the connection hole 44 to prevent the connection hole 44 from being torn.

[0043] Working principle: The hydraulic cylinder 11 is activated, pushing the head plate 12 inward along the guide rail 14, tightly pressing all the filter plates 2 together along the crossbeam of the frame 1. During this process, the limiting rods 24 on the mounting frames 23 at the bottom of each filter plate 2 will insert into the connecting holes 44 at the bottom of the floating cloth 43 in the adjacent vibrating mechanism 4. Then, the slurry is pumped in, and solid particles are trapped by the filter cloth and floating cloth 43 to form a filter cake, while the liquid is discharged.

[0044] After filtration, hydraulic cylinder 11 returns to its original position. The plate-pulling mechanism 3, driven by a transmission device, moves along guide rail 14; the plate-pulling slider 31 moves to the first filter plate, and the plate puller 32 hooks onto the filter plate ear 21. Simultaneously, the filter plate pulley 22 on the filter plate ear 21 climbs up the inclined surface of the wedge block 33 on the plate-pulling slider 31 and falls into the concave surface 34 at the top for positioning; the plate-pulling mechanism 3 drags the filter plate 2 backward. When it reaches the designated stopping position, the plate-pulling slider 31 stops, while the filter plate 2 continues to move under inertia, causing the filter plate pulley 22 to slide out from the concave surface 34 and fall onto the crossbeam. This instantaneous impact generates a violent vibration, initially shaking off the filter residue from the filter plate surface.

[0045] As the filter plate 2 is pulled apart, the limiting rod 24, which was originally inserted into the floating cloth connection hole 44, gradually moves outward as the distance between adjacent filter plates increases. The moment the limiting rod 24 completely disengages from the connection hole 44, the powerful spring 42 rapidly releases energy, causing the floating cloth 43 to rebound violently upward.

[0046] The sudden displacement of the floating cloth 43 not only peels off the filter cake adhering to it, but its upward scraping action can also help peel off the residual filter cake on the adjacent filter cloth, achieving complete unloading. If the effect is to be enhanced, the lifting cylinder can be further raised to lift the frame 15, further tighten the floating cloth or increase the whipping force.

[0047] 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 a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0048] The above description is only used to illustrate the technical solutions of the present invention, and is not intended to limit them. Although the present invention has been described in detail with reference to the foregoing, those skilled in the art should understand that modifications can still be made to the foregoing technical solutions, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A slag removal dust collection mechanism, comprising a frame (1), a plurality of filter plates (2) disposed on the frame (1), a hydraulic cylinder (11) for driving the filter plates (2) to press and separate, and a head plate (12), and a plate pulling mechanism (3) for sequentially pulling the filter plates (2), characterized in that: It also includes a spring-shaking mechanism (4) located between adjacent filter plates (2); The spring-shaking mechanism (4) includes a resilient floating cloth (43) with a connecting hole (44) on it. The filter plate (2) is provided with a limiting rod (24). When the filter plate (2) is pressed, the limiting rod (24) is inserted into the connecting hole (44). When the plate pulling mechanism (3) pulls the filter plate (2) to the set position, the limiting rod (24) disengages from the connecting hole (44), and the floating cloth (43) rebounds upward to peel off the filter residue.

2. The slag removal dust collection mechanism according to claim 1, characterized in that: The vibrating mechanism (4) also includes a hanging plate (41) and a strong spring (42). The hanging plate (41) is connected to the frame (1), and the upper end of the strong spring (42) is connected to the hanging plate (41), and the lower end is connected to the floating cloth (43).

3. The slag removal dust collection mechanism according to claim 2, characterized in that: The hanging panel (41) is connected to a liftable frame (15), which is driven to rise and fall by a lifting cylinder.

4. The slag removal dust collection mechanism according to claim 3, characterized in that: The hanging plate (41) is attached to the frame (15) by hooks. During the filter plate (2) pressing and filtering process, the frame (15) can be lifted to stretch the strong spring (42).

5. The slag removal dust collection mechanism according to claim 1, characterized in that: A metal ring is provided inside the connecting hole (44).

6. The slag removal dust collection mechanism according to claim 1, characterized in that: The plate pulling mechanism (3) includes a plate sliding block (31) that slides along the guide rail (14), a plate puller (32) provided on the plate sliding block (31), and a wedge (33) provided on the plate sliding block (31), wherein the wedge (33) is provided with an inner concave surface (34). The filter plate (2) is provided with a filter plate pulley (22). During the plate pulling process, the filter plate pulley (22) slides along the concave surface (34) and slips off the concave surface (34) when the plate pulling stops, causing the filter plate (2) to vibrate.

7. The slag removal dust collection mechanism according to claim 6, characterized in that: The concave surface (34) is an arc-shaped structure.

8. The slag cross dust removal mechanism according to claim 1, characterized in that: The limiting rod (24) is located on the mounting frame (23) at the bottom of the filter plate (2).

9. The slag removal dust collection mechanism according to claim 1, characterized in that: The headboard (12) is connected to headboard pulleys (13) on both sides, and the headboard pulleys (13) are attached to the crossbeams of the frame (1).

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