Sponge iron particle dedusting and screening device
By installing a closed cover and dust removal mechanism in the sponge iron screening device, the problem of dust overflow during the screening process is solved, achieving efficient dust removal and environmental protection.
Patent Information
- Application Number
- CN202520223511.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Existing screening equipment generates a lot of dust when screening sponge iron, leading to environmental pollution and health risks to operators.
Design a dust removal and screening device for sponge iron particles, including a screening mechanism and a dust removal mechanism. The discharge port of the screen cylinder is sealed by a closed cover, and combined with a dust suction pipe, a dust suction fan and a filter, the dust is conveyed and filtered in a closed manner.
It effectively reduces dust spillage, avoids environmental pollution, improves operational safety, and ensures green production.
Smart Images
Figure CN223800896U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a screening equipment technical field, specifically point to a kind of sponge iron particle dust removal screening device. BACKGROUND
[0002] In sponge iron production process, after sponge iron comes out of kiln, it needs to be lifted to jaw crusher after being taken out from silicon carbide tank by ingot unloading machine, and after being broken by big hammer and small hammer, particle is formed, and particle needs to be screened to realize the separation of large and small particles. However, the screening equipment currently produces a lot of dust when screening sponge iron, and a large amount of dust diffuses into feeding port and discharging port in the air, which causes environmental pollution, and the dust inhaled by operators affects human health and is not conducive to green production. SUMMARY
[0003] The utility model provides a kind of sponge iron particle dust removal screening device to the deficiency of prior art, with good dust removal effect, facilitate personnel operation, avoid environmental pollution.
[0004] The utility model is realized by the following technical scheme, a kind of sponge iron particle dust removal screening device, including screening mechanism and dust removal mechanism, the screening mechanism includes screening box and the screen cylinder of inclination setting, the screen cylinder is rotationally installed in screening box, and the inner wall of the side of screening box close to the discharge port of screen cylinder is fixed with closed cover, the discharge port of screen cylinder is inserted into closed cover, closed cover is equipped with the discharge pipe extending to the outside of screening box, and the sealing plate is installed on discharge pipe, the outer wall of the side of screening box close to the feeding port of screen cylinder is fixed with feeding hopper, and the lower end of feeding hopper is inserted into the feeding port of screen cylinder in screening box and penetrates screening box;
[0005] The dust removal mechanism includes dust removal box fixed on the top of screening box, the outer wall of dust removal box is fixedly connected with suction duct communicated with the inner cavity of screening box, suction duct is installed with suction fan, the top of dust removal box is fixedly connected with exhaust pipe, and exhaust fan is installed on exhaust pipe, and filter is arranged between suction duct and exhaust pipe in dust removal box.
[0006] The screen cylinder is arranged in the screening box, the discharge port of screen cylinder is closed by closed cover, and the closed cover is closed by sealing plate, the material is transported into the feeding hopper of screen cylinder by feeding hopper, the sealing property is improved when screening, the overflow of dust is greatly reduced, and environmental pollution is avoided.
[0007] The dust removal mechanism is used for sucking the dust in screening box into dust removal box by suction duct and suction fan, and clean air is discharged by filter and exhaust pipe. The dust is further absorbed and treated by dust removal mechanism, the dust removal effect is further improved, personnel operation is facilitated, and environmental pollution is avoided.
[0008] As optimization, the axial both ends of the screen cylinder are fixedly connected with V-shaped rib rings, the lower part of the V-shaped rib rings is provided with a support table, the support table and the bottom of the screening box are fixedly connected, and two V-shaped rollers are fixedly arranged on the support table and are located on the two sides of the V-shaped rib ring and jointly support the V-shaped rib ring.
[0009] As optimization, the screening mechanism further comprises a driving mechanism for driving the rotation of the screen cylinder, the driving mechanism comprises a driving motor and a driving gear fixedly connected to the top of the screening box, the driving gear is in transmission connection with the output shaft of the driving motor, and the outer wall of the screen cylinder is fixedly connected with a driven gear ring in meshing connection with the driving gear.
[0010] As optimization, the filter comprises a plurality of medium filtering plates and activated carbon filtering plates arranged in an up-down mode.
[0011] As optimization, the sidewall of the dust removal box is hingedly connected with a box door.
[0012] As optimization, the screening box is provided with a material receiving hopper located directly below the screen cylinder, and a cover is arranged on the lower end of the material receiving hopper.
[0013] The beneficial effects of the utility model are as follows: the screen cylinder is arranged in the screening box, the discharge port of the screen cylinder is closed by the closed cover, the storage tank is closed by the closing plate, and the material is conveyed into the feeding hopper of the screen cylinder through the feeding hopper, so that the sealing performance during screening is improved, the overflow of dust is greatly reduced, and environmental pollution is avoided.
[0014] The dust removal mechanism sucks the dust in the screening box into the dust removal box through the dust suction pipe and the dust suction fan, and then discharges clean air through the exhaust pipe after filtration. The dust removal mechanism further absorbs and processes the dust, further improves the dust removal effect, facilitates personnel operation, and avoids environmental pollution. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a sectional view of the utility model;
[0016] Figure 2 It is Figure 1 the enlarged view of A part of the utility model;
[0017] Figure 3 It is a front view of the utility model;
[0018] Figure 4 It is a top view of the internal structure of the screening box;
[0019] As shown in the drawings:
[0020] 1, screening box, 2, screen cylinder, 3, support table, 4, V-shaped roller, 5, V-shaped rib ring, 6, feed hopper, 7, closed cover, 8, discharge pipe, 9, sealing plate, 10, driven gear ring, 11, drive motor, 12, driving gear, 13, receiving hopper, 14, cover, 15, hook, 16, dust removal box, 17, dust suction pipe, 18, dust suction fan, 19, activated carbon filter plate, 20, multi-medium filter plate, 21, exhaust pipe, 22, exhaust fan, 23, box door. DETAILED DESCRIPTION
[0021] To clearly illustrate the technical features of the present scheme, the present scheme will be described below through specific embodiments.
[0022] As shown in Figures 1 to 4 A sponge iron particle dust removal and screening device, comprising a screening mechanism and a dust removal mechanism. The screening mechanism comprises a screening box 1 and an inclined screen cylinder 2, and the bottom of the screening box 1 is fixedly connected with support legs. The screen cylinder 2 is rotatably installed in the screening box 1. Specifically, the axial ends of the screen cylinder 2 are fixedly connected with V-shaped rib rings 5, and a support table 3 is arranged below the V-shaped rib rings 5. The support table 3 is fixedly connected with the bottom of the screening box 1, and two V-shaped rollers 4 are fixedly arranged on the top of the support table 3 and located on both sides of the V-shaped rib rings 5 to jointly support the V-shaped rib rings 5. The V-shaped rib rings 5 are limited and supported by the two V-shaped rollers 4, so that the screen cylinder 2 is rotatably installed and displacement of the screen cylinder 2 in the inclined direction is prevented.
[0023] The screening mechanism further comprises a driving mechanism for driving the rotation of the screen cylinder 2. The driving mechanism comprises a drive motor 11 fixedly connected to the top of the screening box 1 and a driving gear 12. The driving gear 12 is in transmission connection with the output shaft of the drive motor 11. A driven gear ring 10 is fixedly connected to the outer wall of the screen cylinder 2 and is in meshing connection with the driving gear 12. In this embodiment, the driven gear ring 10 is fixedly connected to the middle part of the screen cylinder 2, and the drive motor 11 is fixedly connected to the top of the inner wall of the screening box 1. The drive motor 11 drives the rotation of the driving gear 12, which in turn drives the rotation of the driven gear ring 10, so as to drive the rotation of the screen cylinder 2.
[0024] A screen hole is arranged on the circumferential outer wall of the screen cylinder 2. The lower end of the screen cylinder 2 is a discharge port, and the higher end of the screen cylinder 2 is a feed port.
[0025] The closed cover 7 is fixed to the inner wall of the screening box 1 near the discharge port side of the screen cylinder 2, the discharge port of the screen cylinder 2 is inserted into the closed cover 7, the closed cover 7 is provided with a discharge pipe 8 extending to the outside of the screening box 1, and the discharge pipe 8 is provided with a sealing plate 9. In the embodiment, the closed cover 7 is fixed to the left inner wall of the screening box 1, and the right side wall of the closed cover 7 is provided with a socket for inserting the discharge port of the screen cylinder 2. The discharge pipe 8 is fixed to the bottom of the left side wall of the closed cover 7, the right end of the discharge pipe 8 is communicated with the inner cavity of the closed cover 7, and the left end of the discharge pipe 8 extends to the outside of the screening box 1 and is inclined downward, facilitating the discharge. In the embodiment, the sealing plate 9 is inserted into the discharge pipe 8 from the top of the discharge pipe 8, thereby closing the discharge pipe 8, and facilitating the control of the discharge.
[0026] The feeding hopper 6 is fixed to the outer wall of the screening box 1 near the feeding port side of the screen cylinder 2, and the lower end of the feeding hopper 6 penetrates the screening box 1 and is inserted into the feeding port of the screen cylinder 2. The feeding hopper 6 is used for feeding into the screen cylinder 2.
[0027] The screening box 1 is provided with a receiving hopper 13 located directly below the screen cylinder 2, and the lower end of the receiving hopper 13 is provided with a cover 14. In the embodiment, the receiving hopper 13 is a rectangular conical hopper structure, the receiving hopper 13 is located between the two support tables 3, and the left and right ends of the receiving hopper 13 are fixed to the two support tables 3 respectively. The lower end of the receiving hopper 13 extends to the outside of the screening box 1.
[0028] In the embodiment, one end of the cover 14 is hinged to the receiving hopper 13, and the lower end of the receiving hopper 13 is further hinged to a hook 15 which is hooked to the other end of the cover 14, and the cover 14 is fixed by the hook 15.
[0029] The dust removal mechanism includes a dust removal box 16 fixed to the top of the screening box 1, a dust suction pipe 17 fixed to the outer wall of the dust removal box 16 and communicated with the inner cavity of the screening box 1, and a dust suction fan 18 installed on the dust suction pipe 17. In the embodiment, the dust suction pipes 17 are connected to the left and right outer walls of the dust removal box 16, and the dust suction fans 18 are installed at one end of the two dust suction pipes 17 located in the screening box 1. The dust suction fans 18 are used for sucking the dust in the screening box 1, thereby improving the dust suction efficiency and effect.
[0030] The dust removal box 16 is provided with an exhaust pipe 21 fixed to the top of the dust removal box 16, an exhaust fan 22 installed on the exhaust pipe 21, and a filter located between the dust suction pipe 17 and the exhaust pipe 21. Specifically, the filter includes a multi-medium filter plate 20 and an activated carbon filter plate 19 arranged in layers. The dust suction fan 18 discharges the sucked dust into the dust removal box 16, the dust is discharged by the exhaust fan 22, first passes through the activated carbon filter plate 19 to filter the impurities with large particle size, then passes through the multi-medium filter plate 20 to filter the small impurities, and finally discharges the clean air to the outside through the exhaust pipe 21, thereby avoiding environmental pollution and facilitating personnel operation.
[0031] The front side wall of the dust removal box 16 is hinged with a box door 23, and by opening the box door 23, the filter inside the dust removal box 16 can be replaced and the internal impurities can be cleaned.
[0032] Working principle: when in use, the discharge pipe 8 is closed by the sealing plate 9, the lower port of the receiving hopper 13 is closed by the sealing cover 14, the exhaust fan 22 and the two dust suction fans 18 are started, the driving motor 11 is started to drive the sieve cylinder 2 to rotate, the sponge iron particles are put into the sieve cylinder 2 through the feeding hopper 6, the particles roll forward along with the rotation of the sieve cylinder 2, the particles with smaller particle size fall into the receiving hopper 13 below, and the particles with larger particle size are discharged into the closed cover 7. The whole screening process is carried out in the screening box, which improves the sealing property during screening, greatly reduces the overflow of dust, avoids environmental pollution, and at the same time, the dust suction fans 18 are used to suck the dust into the dust removal box 16, after filtration by the filter, the clean air is discharged from the exhaust pipe 21, which further improves the dust removal effect, avoids environmental pollution, and is convenient for personnel operation.
[0033] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not limited to the utility model, the preferred embodiments are described in detail, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.
Claims
1. A sponge iron particle dedusting and sieving apparatus comprising a sieving mechanism and a dedusting mechanism, characterized in that: The screening mechanism comprises a screening box (1) and an obliquely arranged screening cylinder (2), the screening cylinder (2) is rotatably installed in the screening box (1), a closing cover (7) is fixedly arranged on the inner wall of the screening box (1) near the discharge port side of the screening cylinder (2), the discharge port of the screening cylinder (2) is inserted into the closing cover (7), the closing cover (7) is provided with a discharge pipe (8) extending to the outside of the screening box (1), the discharge pipe (8) is provided with a sealing plate (9), and a feeding hopper (6) is fixedly arranged on the outer wall of the screening box (1) near the feeding port side of the screening cylinder (2), the lower end of the feeding hopper penetrates the screening box (1) and is inserted into the feeding port of the screening cylinder (2); The dust removal mechanism comprises a dust removal box (16) fixedly arranged on the top of the screening box (1), a dust suction pipe (17) fixedly connected with the inner cavity of the screening box (1) is arranged on the outer wall of the dust removal box (16), a dust suction fan (18) is arranged on the dust suction pipe (17), an exhaust pipe (21) is fixedly connected with the top of the dust removal box (16), an exhaust fan (22) is arranged on the exhaust pipe (21), and a filter is arranged between the dust suction pipe (17) and the exhaust pipe (21) in the dust removal box (16).
2. A sponge iron particle dedusting and sizing device as claimed in claim 1 wherein: V-shaped rib rings (5) are fixedly connected with the two axial ends of the screening cylinder (2), a support table (3) is arranged below the V-shaped rib rings (5), the support table (3) is fixedly connected with the bottom of the screening box (1), two V-shaped rollers (4) are fixedly arranged on the support table (3) and located on the two sides of the V-shaped rib rings (5) and support the V-shaped rib rings (5) together.
3. A sponge iron particle dedusting and sizing device as claimed in claim 2 wherein: The screening mechanism further comprises a driving mechanism for driving the screening cylinder (2) to rotate, the driving mechanism comprises a driving motor (11) and a driving gear (12) fixedly arranged on the top of the screening box (1), the driving gear is in transmission connection with the output shaft of the driving motor, and a driven gear ring (10) is fixedly arranged on the outer wall of the screening cylinder (2) and engaged with the driving gear (12).
4. A sponge iron particle dedusting and sizing device as claimed in claim 1 wherein: The filter comprises a multi-medium filter plate (20) and an activated carbon filter plate (19) arranged in an up-down manner.
5. A sponge iron particle dedusting and sizing device as claimed in claim 1 wherein: A box door (23) is hingedly arranged on the sidewall of the dust removal box (16).
6. A sponge iron particle dedusting and sizing device as claimed in claim 1 wherein: A receiving hopper (13) is arranged in the screening box (1) below the screening cylinder (2), and a cover (14) is arranged on the lower end of the receiving hopper (13).