Dust collecting device for titanium dioxide production
By adopting a core rod and lifting mechanism in conjunction with pulse dust blowing components in titanium dioxide production, the problems of low filter bag utilization and insufficient dust removal efficiency have been solved, achieving a more efficient dust removal effect.
Patent Information
- Application Number
- CN202423170278.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing baghouse dust collectors suffer from low filter bag utilization and unsatisfactory pulse cleaning effects in titanium dioxide production, resulting in insufficient dust removal efficiency.
The filter bag design, which adopts a core rod and connecting disc structure, combined with a lifting mechanism and pulse dust blowing components, can straighten and shake the filter bag, improve the utilization rate of the filter bag and enhance the dust removal effect.
By combining the core rod and the lifting mechanism, the utilization rate of the filter bag is improved, and the use of pulse dust blowing components enhances the dust removal effect, achieving more efficient dust removal.
Smart Images
Figure CN223668848U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dust collecting equipment technical field especially relates to a dust collecting device for titanium dioxide production. BACKGROUND
[0002] Titanium dioxide calcination is an important step in the production process of titanium dioxide, the main purpose is to convert the pretreated titanium dioxide intermediate into the final product. Calcination process is usually carried out in a rotary kiln, through high temperature (usually above 1000 DEG C) treatment, so that the material completes the process of dehydration and calcination, thereby improving the whiteness, hiding power and other properties of the product. A large amount of high-temperature tail gas will be produced in the calcination process, and the high-temperature tail gas contains a large amount of dust, and at present, bag filter is generally used for dust removal. The filter element of the bag filter is a filter bag, and a cage is installed in the filter bag to prevent the filter bag from shrinking and deforming inward, but the setting of the cage also leads to the fact that part of the filter bag is not effectively utilized. With the accumulation of dust adsorbed on the surface of the filter bag, the pressure loss of the filter bag increases continuously, and when it reaches the predetermined value, the pulse valve works, compressed air is injected, a large amount of gas enters the inside of the filter bag, the filter bag expands and deforms, the dust is shaken off, and the purpose of removing the dust on the surface of the filter bag is achieved. However, the effect of pulse dust removal is still not ideal. SUMMARY
[0003] In order to solve the problems mentioned in the background art, the purpose of the utility model is to provide a dust collecting device for titanium dioxide production.
[0004] In order to achieve the above-mentioned target, the technical scheme of the utility model is as follows:
[0005] A dust collecting device for titanium dioxide production, comprising a box body, a partition plate is arranged in the box body, an air inlet is arranged on the box body wall below the partition plate, an air outlet is arranged on the box body wall above the partition plate, a discharge port is arranged at the bottom of the box body, a plurality of mounting holes are arranged through the partition plate, a filter element is mounted in the mounting hole, the filter element comprises a filter bag, a fixing sleeve and a core rod, the fixing sleeve is sleeved on the open end of the filter bag, the fixing sleeve is fixedly installed in the mounting hole, the core rod is longitudinally arranged in the filter bag, the bottom of the core rod is fixedly connected with a connecting disc, the connecting disc is fixedly connected with the bottom of the filter bag, the top of a plurality of core rods is connected with a lifting frame, a lifting mechanism is installed on the top of the box body, the lifting frame is connected with the lifting end of the lifting mechanism, a pulse dust blowing element is arranged above the partition plate in the box body, and the pulse dust blowing element is used for blowing the filter bag.
[0006] Further, the fixing sleeve comprises a neck flange and a compression ring, a plurality of studs are fixedly connected to the flange plate of the neck flange, the open end of the filter bag is provided with a flange, the flange and the compression ring are sequentially sleeved on the plurality of studs from bottom to top, nuts are threadedly connected to the studs, and the nuts press the compression ring and the flange tightly.
[0007] Further, the core rod is penetrated upward from the bottom of the filter bag, the filter bag is filled with briquettes in the inside, the briquettes are sleeved on the core rod, and the bottom of the filter bag is clamped between the connecting disc and the briquettes.
[0008] Further, the pulse dust blowing device comprises a steam pocket, a plurality of spray pipes and spray heads, the spray pipes are arranged above the partition plate, each of the spray pipes corresponds to a column of filter bags, the steam pocket is arranged outside the box body, the plurality of spray pipes are respectively connected with the steam pocket through a pulse electromagnetic valve, and the bottom of each spray pipe is connected with a spray head corresponding to the filter bag.
[0009] Further, the discharge port is provided with a discharge valve.
[0010] The filter bag is in a straightened state through the core rod and the connecting disc, the side of the filter bag is not blocked compared with a traditional cage, and the utilization rate of the filter bag is improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is a sectional view of the utility model embodiment;
[0012] Fig. 2 It is an exploded view of the filter in the utility model embodiment.
[0013] The number of the drawings is explained as follows: 1, the box body, 11, the partition plate, 12, the air inlet, 13, the air outlet, 14, the discharge port, 15, the discharge valve, 2, the filter bag, 21, the flange, 3, the fixed sleeve, 31, the flange with neck, 311, the stud, 312, the nut, 32, the compression ring, 4, the core rod, 41, the connecting disc, 5, the briquette, 6, the lifting frame, 7, the air cylinder, 8, the steam pocket, 9, the spray pipe, 91, the spray head, 10, the pulse electromagnetic valve. DETAILED DESCRIPTION
[0014] The technical scheme in the utility model embodiments will be described clearly and completely below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art belong to the protection scope of the utility model.
[0015] For example, Figs. 1-2As shown, a dust collecting device for titanium dioxide production, including box 1, the box 1 is horizontally provided with a partition 11, the partition 11 below the box 1 wall is provided with air inlet 12, the partition 11 above the box 1 wall is provided with exhaust port 13, exhaust port 13 is connected with fan (not shown in the figure) through pipeline, the bottom of the box 1 is provided with discharge port 14, the discharge port 14 is connected with discharge valve 15, the partition 11 is provided with a plurality of mounting holes, the mounting hole is provided with filter element, the filter element includes filter bag 2, fixed sleeve 3 and core rod 4, the fixed sleeve 3 is sleeved on the opening end of the filter bag 2, the fixed sleeve 3 is fixedly installed in the mounting hole, specifically, the fixed sleeve 3 includes neck flange 31 and pressing ring 32, the neck flange 31 is clamped in the mounting hole, a plurality of studs 311 are fixedly connected on the flange plate of the neck flange 31, the opening end of the filter bag 2 is provided with a flange 21, the flange 21 and the pressing ring 32 are sequentially sleeved on the plurality of studs 311 from bottom to top, the stud 311 is threadedly connected with the nut 312, the nut 312 presses the pressing ring 32 and the flange 21, the core rod 4 penetrates through the bottom of the filter bag 2 from bottom to top, the core rod 4 is longitudinally arranged in the filter bag 2, the bottom of the core rod 4 is fixedly connected with the connecting disc 41, the inside of the filter bag 2 is filled with the pressing block 5, the pressing block 5 is sleeved on the core rod 4, the bottom of the filter bag 2 is clamped between the connecting disc 41 and the pressing block 5, the top of the core rod 4 is detachably connected with the lifting frame 6, the top of the box 1 is provided with a lifting mechanism, the lifting mechanism adopts a cylinder 7, the piston rod of the cylinder 7 is connected with the lifting frame 6, the box 1 is provided with a pulse dust blowing element above the partition 11, the pulse dust blowing element is used for spraying and blowing the filter bag 2.
[0016] In the embodiment, the pulse dust blowing element includes a steam pocket 8, a plurality of blowing pipes 9 and a spray head 91, the blowing pipe 9 is arranged above the partition 11, each blowing pipe 9 corresponds to a row of filter bags 2, the steam pocket 8 is arranged outside the box 1, the plurality of blowing pipes 9 are respectively connected with the steam pocket 8 through a pulse electromagnetic valve 10, the bottom of the blowing pipe 9 is connected with the spray head 91 corresponding to the filter bag 2.
[0017] Compared with the traditional cage, the core rod 4 does not block the side of the filter bag 2, which improves the utilization rate of the filter bag 2, the core rod 4 is driven by the cylinder 7 to move up and down, so that the filter bag 2 is shaken, and the pulse dust blowing element can effectively improve the dust removal effect of the filter bag 2.
[0018] The above only describes the preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A dust collecting device for titanium dioxide production, comprising a box (1), a partition (11) is arranged in the box (1), an air inlet (12) is arranged on the wall of the box (1) below the partition (11), an air outlet (13) is arranged on the wall of the box (1) above the partition (11), a discharge port (14) is arranged on the bottom of the box (1), a plurality of mounting holes are arranged on the partition (11) in a penetrating manner, and a filter is mounted in the mounting hole, characterized in that, The filter comprises a filter bag (2), a fixing sleeve (3) and a core rod (4), the fixing sleeve (3) is sleeved at the open end of the filter bag (2), the fixing sleeve (3) is fixedly installed in the mounting hole, the core rod (4) is longitudinally arranged in the filter bag (2), the bottom of the core rod (4) is fixedly connected with a connecting disc (41), the connecting disc (41) is fixedly connected with the bottom of the filter bag (2), the top of a plurality of core rods (4) is commonly connected with a lifting frame (6), the top of the box (1) is provided with a lifting mechanism, the lifting frame (6) is connected with the lifting end of the lifting mechanism, the box (1) is provided with a pulse dust blowing device above the partition plate (11), and the pulse dust blowing device is used for blowing the filter bag (2).
2. The dust collecting device for titanium dioxide production according to claim 1, characterized in that, The fixing sleeve (3) comprises a neck flange (31) and a pressing ring (32), a plurality of studs (311) are fixedly connected on the flange plate of the neck flange (31), the open end of the filter bag (2) is provided with a flange (21), the flange (21) and the pressing ring (32) are sequentially sleeved on the plurality of studs (311) from bottom to top, nuts (312) are threadedly connected on the studs (311), and the nuts (312) press the pressing ring (32) and the flange (21) tightly.
3. The dust collecting device for titanium dioxide production according to claim 1, characterized in that, The core rod (4) penetrates upward from the bottom of the filter bag (2), the filter bag (2) is filled with a pressing block (5), the pressing block (5) is sleeved on the core rod (4), and the bottom of the filter bag (2) is clamped between the connecting disc (41) and the pressing block (5).
4. The dust collecting device for titanium dioxide production according to claim 1, characterized in that, The pulse dust blowing device comprises a steam pocket (8), a plurality of blowing pipes (9) and a spray head (91), the blowing pipe (9) is arranged above the partition plate (11), each blowing pipe (9) corresponds to a row of filter bags (2), the steam pocket (8) is arranged outside the box (1), a plurality of blowing pipes (9) are respectively connected with the steam pocket (8) through one pulse electromagnetic valve (10), and the bottom of the blowing pipe (9) is connected with the spray head (91) corresponding to the filter bag (2).
5. The dust collecting device for titanium dioxide production according to claim 1, characterized in that, The discharge port (14) is provided with a discharge valve (15).