Filter catch wheel protection device

Abstract

The utility model provides a filter catch wheel protection device which adopts the technical scheme that the filter catch wheel protection device comprises a catch wheel, the catch wheel is in driving connection with a catch wheel shaft, a plurality of bearings are sleeved on the catch wheel shaft, the bearings are fixed in a bearing box body, a first mounting plate is fixedly arranged on the outer surface of the bearing box body, and the first mounting plate is fixedly connected with a baffle assembly; and the bottom of the baffle assembly is fixedly connected with the second mounting plate. The utility model has the beneficial effects that the catch wheel shaft and the bearing are protected by the bearing box body and cannot be damaged due to medium corrosion, so that the service life of related accessories is prolonged; the catch wheel is protected by the baffle assembly, so that corrosion damage caused by splashing of filtrate is prevented, and the service life of the catch wheel is also prolonged; and by arranging the longitudinal and transverse adjusting nuts, the adjusting screw rod can adjust the position of the baffle assembly according to the tension degree and the up-down deviation of the conveying belt, and the adaptability is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of filter related accessories, especially relates to a filter wheel protection device. BACKGROUND

[0002] Disc filter is one of important equipment in phosphoric acid device hemihydrate, dihydrate process, is a kind of efficient continuous vacuum filter equipment, disc filter realizes filtration through vacuum system, slurry enters filter unit from outside, when passing filter disc, solid particles (such as phosphogypsum) are intercepted by filter disc, and liquid (such as phosphoric acid) passes through filter disc and enters vacuum system, and phosphogypsum filter cake after filtration is washed by multiple backwashing to improve the recovery rate of phosphorus.Washing liquid is evenly sprayed on filter cake by filter disc distribution box, and washed liquid is collected by filter disc and backflows, when the impurities on the surface of filter disc accumulate to a certain degree, backflushing system starts, backflushing water flows from the inside of filter disc to the outside, and the impurities intercepted on filter disc are washed out, and the filtering performance of filter disc is restored.After washing and backflushing, phosphogypsum filter cake on filter disc is unloaded by disc turning backblowing device, and filter cloth is washed and reset, and a filtering cycle is completed.But in the above process, the transmission belt stop wheel fails frequently: first, the stop wheel bearing is damaged frequently due to corrosion and lack of oil lubrication, so that the stop wheel bearing cannot normally support and guide the belt, and normal production is affected;Second, the residual phosphoric acid on the filter disc is splashed by washing water, which is easy to corrode the stop wheel shaft, so that the stop wheel cannot rotate normally or is stuck;Third, the labor intensity of maintenance personnel is large, and maintenance is frequent, which consumes materials, time and personnel. SUMMARY

[0003] In view of the problems that the stop wheel bearing and the stop wheel are easy to be corroded in the prior art, the utility model provides a filter wheel protection device, and the technical scheme is as follows: a stop wheel is connected with a stop wheel shaft in a driving mode, a plurality of bearings are arranged on the stop wheel shaft, the bearings are fixed in bearing housings, a first mounting plate is fixed to the outer surface of the bearing housings, the first mounting plate is fixedly connected with a baffle assembly, and the bottom of the baffle assembly is fixedly connected with a second mounting plate.

[0004] As a preferred scheme, the diameter of the stop wheel shaft is not less than 50 mm.

[0005] As a preferred scheme, the side of the baffle assembly close to the first mounting plate extends a plate-shaped structure adapted to the first mounting plate, a plurality of first fastening bolt holes are formed in the plate-shaped structure, and the first mounting plate is threadedly connected with the first fastening bolt holes of the baffle assembly by first fastening bolts.

[0006] As a preferred scheme, the bottom of the baffle assembly extends a plate-shaped structure adapted to the second mounting plate, a plurality of second fastening bolt holes are formed in the plate-shaped structure, and the second mounting plate is threadedly connected with the second fastening bolt holes of the baffle assembly by second fastening bolts.

[0007] As a preferred solution, the baffle assembly is provided with a first adjusting nut near the top of the side of the first mounting plate, and the first adjusting nut is threadedly connected with the first adjusting bolt hole on the first mounting plate through a lead screw.

[0008] As a preferred solution, the baffle assembly is provided with a second adjusting bolt hole on the bottom side wall, and a second adjusting nut is provided on the second mounting plate, and the second adjusting nut is threadedly connected with the second adjusting bolt hole through a lead screw.

[0009] As a preferred solution, the baffle wheel shaft is fixedly connected with the inner ring of the bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the bearing box.

[0010] The beneficial effects of the present application are as follows:

[0011] The baffle wheel shaft and the bearing are protected by the bearing box, so that damage caused by medium corrosion is avoided, and the service life of the related accessories is prolonged; the baffle wheel is protected by the baffle assembly, so that corrosion damage caused by splashing of the filtrate is avoided, and the service life of the baffle wheel is also prolonged; by setting the longitudinal and transverse adjusting nuts, the position of the baffle assembly can be adjusted according to the tension of the conveying belt and the up-down deviation through the adjusting lead screw, and the adaptability is good. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a front view of the present application.

[0013] Fig. 2 It is a right view of the present application.

[0014] Fig. 3 It is a top view of the present application.

[0015] In the figure: 1, baffle wheel; 2, baffle wheel shaft; 3, bearing box; 4, bearing; 5, baffle assembly; 6, first mounting plate; 7, first fastening bolt hole; 8, first adjusting bolt hole; 9, first adjusting nut; 10, first fastening bolt; 11, second mounting plate; 12, second fastening bolt hole; 13, second adjusting bolt hole; 14, second adjusting nut; 15, second fastening bolt. DETAILED DESCRIPTION

[0016] The present application will be further described in detail below according to the drawings and examples.

[0017] Examples

[0018] As Figs. 1-3The filter wheel guard shown in the application comprises a wheel 1, the wheel 1 is drivingly connected with a wheel shaft 2, a plurality of bearings 4 are sleeved on the wheel shaft 2, the bearings 4 are fixed in a bearing box 3, a first mounting plate 6 is fixed on the outer surface of the bearing box 3, the first mounting plate 6 is fixedly connected with a baffle assembly 5, the bottom of the baffle assembly 5 is fixedly connected with a second mounting plate 11.

[0019] Further, the diameter of the wheel shaft 2 is not less than 50 mm.

[0020] Further, the baffle assembly 5 extends a plate structure on the side close to the first mounting plate 6, a plurality of first fastening bolt holes 7 are formed in the plate structure, the first mounting plate 6 is threadedly connected with the first fastening bolt holes 7 of the baffle assembly 5 through first fastening bolts 10.

[0021] Further, the bottom of the baffle assembly 5 extends a plate structure which is adapted to the second mounting plate 11, a plurality of second fastening bolt holes 12 are formed in the plate structure, the second mounting plate 11 is threadedly connected with the second fastening bolt holes 12 of the baffle assembly 5 through second fastening bolts 15.

[0022] Further, the first adjusting nut 9 is arranged on the top of the side of the baffle assembly 5 close to the first mounting plate 6, the first adjusting nut 9 is threadedly connected with the first adjusting bolt hole 8 on the first mounting plate 6 through a lead screw.

[0023] Further, the second adjusting bolt hole 13 is formed in the sidewall of the bottom of the baffle assembly 5, the second adjusting nut 14 is arranged on the second mounting plate 11, the second adjusting nut 14 is threadedly connected with the second adjusting bolt hole 13 through a lead screw.

[0024] Further, the wheel shaft 2 is fixedly connected with the inner ring of the bearing 4, the outer ring of the bearing 4 is fixedly connected with the inner wall of the bearing box 3.

[0025] The use method of the above-mentioned protection device is as follows: the bearing box 3 is sleeved on the wheel shaft 2, the inner ring of the bearing 4 in the bearing box 3 is fixedly connected with the wheel shaft 2, then the first mounting plate 6 is welded on the side of the bearing box 3, the baffle assembly 5 is threadedly connected with the first mounting plate 6 through the first fastening bolts 10, the baffle assembly 5 is threadedly connected with the second mounting plate 11 through the second fastening bolts 15, after the installation is completed, the first fastening bolts 10 and the second fastening bolts 15 are slightly loosened, the lead screws on the first adjusting nut 9 and the second adjusting nut 14 are adjusted to adjust the specific position of the baffle assembly 5, until the conveyor belt is normally operated, after the protection device is added, the filter wheel is stably operated for one year, and the effect is remarkable.

Claims

1. A filter press impeller protection device, characterized in that, Includes a retaining wheel (1), which is driven to connect with a retaining wheel shaft (2). Several bearings (4) are sleeved on the retaining wheel shaft (2). The bearings (4) are fixed inside the bearing housing (3). A first mounting plate (6) is fixedly provided on the outer surface of the bearing housing (3). The first mounting plate (6) is fixedly connected to the baffle assembly (5). The bottom of the baffle assembly (5) is fixedly connected to the second mounting plate (11).

2. The filter press impeller protection device according to claim 1, characterized in that, The diameter of the aforementioned wheel shaft (2) is not less than 50mm.

3. The filter press impeller protection device according to claim 1, characterized in that, The baffle assembly (5) extends a plate-shaped structure adapted to the first mounting plate (6) on one side near the first mounting plate (6), and a plurality of first fastening bolt holes (7) are opened on it. The first mounting plate (6) is threadedly connected to the first fastening bolt holes (7) of the baffle assembly (5) through the first fastening bolts (10).

4. The filter press impeller protection device according to claim 1, characterized in that, The bottom of the baffle assembly (5) extends into a plate-like structure that is adapted to the second mounting plate (11), and a plurality of second fastening bolt holes (12) are opened thereon. The second mounting plate (11) is threadedly connected to the second fastening bolt holes (12) of the baffle assembly (5) by second fastening bolts (15).

5. The filter press impeller protection device according to claim 1, characterized in that, The baffle assembly (5) is provided with a first adjusting nut (9) on the top side near the first mounting plate (6). The first adjusting nut (9) is threadedly connected to the first adjusting bolt hole (8) on the first mounting plate (6) via a screw.

6. The filter press impeller protection device according to claim 1, characterized in that, The baffle assembly (5) has a second adjusting bolt hole (13) on its bottom side wall and a second adjusting nut (14) on its second mounting plate (11). The second adjusting nut (14) is threadedly connected to the second adjusting bolt hole (13) via a lead screw.

7. The filter press impeller protection device according to claim 1, characterized in that, The wheel shaft (2) is fixedly connected to the inner ring of the bearing (4), and the outer ring of the bearing (4) is fixedly connected to the inner wall of the bearing housing (3).

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