Dedusting ash screening device
By designing a dust removal ash screening device with a horizontal plate and a vibrating motor, the problem of poor flowability of dust removal ash after wetting was solved, achieving rapid distribution and efficient screening, and improving screening efficiency.
Patent Information
- Application Number
- CN202423292082.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The dust collected after being wetted has poor flowability, resulting in low screening efficiency and difficulty in quickly spreading it on the screen.
A dust removal ash screening device is adopted, in which a first motor drives a rotating shaft to rotate a horizontal plate. The horizontal plate moves the dust removal ash and makes it spread quickly on the screen. Combined with the design of a vibrating motor and an inclined screen, the screening efficiency is improved.
It improves the screening efficiency of dust collectors, increases the actual working area of the screen, and reduces dust flying during the screening process.
Smart Images
Figure CN223875466U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to solid waste treatment equipment technical field, more specifically, relate to a dust removal ash screening device. BACKGROUND
[0002] In the converter steelmaking production process of the steel industry, a large amount of dust-containing gas is generated during blowing of the converter, and dust removal ash is formed after being collected by the dust removal system. These dust removal ash is rich in iron, carbon and various metal oxides and other valuable components, but is mixed with impurity particles of different sizes, unburned coke powder, etc. In order to reuse the beneficial substances in the dust removal ash, the dust removal ash needs to be screened. Because the dust removal ash is prone to dust flying during screening, the dust removal ash is often wetted with water before screening, which leads to poor flowability of the dust removal ash during screening and slow spreading on the screen, resulting in low screening efficiency. UTILITARY MODEL
[0003] The utility model aims at providing a dust removal ash screening device, which aims to solve the problem of poor flowability of wetted dust removal ash and slow spreading on the screen, resulting in low work efficiency.
[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a dust removal ash screening device, which comprises a shell, a discharge port is arranged at the bottom of the shell, a feed inlet is arranged at the top of the shell, a support beam is arranged inside the shell, a net rack is arranged on the support beam, a screen is fixed on the net rack, springs are connected between the net rack and the support beam, a vibration motor is arranged on the support beam, the vibration end of the vibration motor is connected to the net rack, a first motor is arranged on the support beam, a rotating shaft is arranged at the driving end of the first motor, the upper end of the rotating shaft penetrates the net rack upward and extends above the screen, a plurality of horizontal plates are connected to the rotating shaft in the circumferential direction, the horizontal plates are located above the screen, and the first motor is used to drive the rotating shaft to rotate the horizontal plates, so as to move the dust removal ash and spread the dust removal ash on the screen.
[0005] In a possible implementation, a feed hopper is arranged on the feed inlet, and the feed hopper is located directly above the rotating shaft.
[0006] In a possible implementation, a conical cap is arranged at the top of the rotating shaft.
[0007] In a possible implementation, the net rack comprises a first ring-shaped rack and a second ring-shaped rack, the first ring-shaped rack is located inside the second ring-shaped rack and is coaxially arranged with the second ring-shaped rack, the first ring-shaped rack is sleeved on the rotating shaft and is in sliding connection with the rotating shaft, the second ring-shaped rack is connected to the support beam through the spring, the screen mesh is arranged between the first ring-shaped rack and the second ring-shaped rack, and the vibration motor is connected to the second ring-shaped rack.
[0008] In a possible implementation, a reinforcing rib plate is connected between the first ring-shaped rack and the second ring-shaped rack.
[0009] In a possible implementation, the first ring-shaped rack is located above the second ring-shaped rack, and the screen mesh is arranged to be downwardly inclined from the middle part to the edge.
[0010] In a possible implementation, the horizontal plate is arranged in parallel with the screen mesh.
[0011] In a possible implementation, the spacing between the horizontal plate and the screen mesh is greater than 1 cm.
[0012] In a possible implementation, a dustproof cover is arranged on the support beam, and the first motor is arranged in the dustproof cover.
[0013] In a possible implementation, a plurality of support columns are arranged circumferentially at the bottom of the shell, and the support columns support the shell to have a gap for placing objects between the discharge port and the ground.
[0014] The dust ash screening device has the advantages that, compared with the prior art, after dust ash is accumulated on the screen mesh through the feeding port, the horizontal plate can be rotated by the first motor driving the rotating shaft to drive the dust ash pile, so that the dust ash is quickly distributed on the screen mesh, the actual working area of the screen mesh is increased, and the screening efficiency of the dust ash is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0016] Figure 1 The longitudinal sectional structure schematic view of the dust ash screening device provided by the embodiments of the present application is shown in the drawings.
[0017] Figure 2 The longitudinal sectional structure schematic view of the dust ash screening device provided by the embodiments of the present application is shown in the drawings. Figure 1Cross-sectional structure view of line A-A.
[0018] Explanation of reference numerals:
[0019] 1, housing; 11, feeding hopper; 12, support column; 101, feeding port; 102, discharging port; 2, support beam; 3, net rack; 31, first annular rack; 32, second annular rack; 33, reinforcing plate; 4, screen; 5, first motor; 51, rotating shaft; 52, conical cap; 53, horizontal plate; 6, vibration motor; 7, spring; 8, dust cover. DETAILED DESCRIPTION
[0020] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.
[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0022] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0023] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0024] Please refer to Figures 1 to 2The dust ash screening device comprises a shell 1, a discharge port 102 is arranged at the bottom of the shell 1, an inlet port 101 is arranged at the top of the shell 1, a support beam 2 is arranged in the shell 1, a net rack 3 is arranged on the support beam 2, a screen 4 is fixed on the net rack 3, springs 7 are arranged between the net rack 3 and the support beam 2, a vibration motor 6 is arranged on the support beam 2, a vibration end of the vibration motor 6 is connected with the net rack 3, a first motor 5 is arranged on the support beam 2, a rotating shaft 51 is arranged at the driving end of the first motor 5, the upper end of the rotating shaft 51 penetrates through the net rack 3 upwards and extends above the screen 4, a plurality of horizontal plates 53 are connected with the rotating shaft 51 in the circumferential direction, the horizontal plates 53 are arranged above the screen 4, and the first motor 5 is used for driving the rotating shaft 51 to drive the horizontal plates 53 to rotate, so as to move the dust ash and make the dust ash spread on the screen 4.
[0025] Compared with the prior art, after the dust ash is accumulated on the screen 4 through the inlet port 101, the rotating shaft 51 is driven to rotate by the first motor 5, the dust ash pile can be moved by the horizontal plates 53, the dust ash is quickly spread on the screen 4, the actual operation area of the screen 4 is increased, and the screening efficiency of the dust ash is improved.
[0026] In some embodiments, referring to Figures 1 to 2 In order to facilitate feeding, an inlet hopper 11 is arranged on the inlet port 101 of the shell 1, in the embodiment, the inlet hopper 11 is fixed on the shell 1 by welding and is arranged directly above the rotating shaft 51, in order to facilitate the collection of the screened dust ash, support columns 12 are arranged on the bottom of the shell 1 in the circumferential direction, in the embodiment, the number of the support columns 12 is four, the four support columns 12 have a certain height and are arranged at intervals, the support columns 12 support the shell 1, so that the discharge port 102 at the bottom of the shell 1 has a gap with the ground, and in application, the dust ash discharged from the discharge port 102 of the shell 1 can be collected by placing a collecting hopper in the gap.
[0027] In the embodiment, since there is a certain height difference between the discharge port 102 and the screen 4, the screen 4 is impacted after the dust ash is discharged onto the screen 4, in order to reduce the impact force of the dust ash pile on the screen 4, a conical cap 52 is arranged at the top of the rotating shaft 51, the conical cap 52 is fixedly connected with the rotating shaft 51, in application, the conical cap 52 rotates with the rotating shaft 51, the dust ash is preferentially dropped on the conical cap 52, and the conical cap 52 can disperse the dust ash on the screen 4, so as to reduce the impact force of the dust ash on the screen 4.
[0028] In the embodiment, the screen frame 3 comprises a first ring frame 31 and a second ring frame 32, the first ring frame 31 is located inside the second ring frame 32 and coaxially arranged with the second ring frame 32, the first ring frame 31 is sleeved on the rotating shaft 51 and slidably connected with the rotating shaft 51, the second ring frame 32 is connected with the support beam 2 through the spring 7, the screen 4 is arranged between the first ring frame 31 and the second ring frame 32, the vibration motor 6 is connected with the second ring frame 32, and the reinforcing rib plate 33 is connected between the first ring frame 31 and the second ring frame 32, so as to increase the structural strength of the screen frame 3.
[0029] In the embodiment, the first ring frame 31 is located above the second ring frame 32, so that the screen 4 is arranged to be inclined downward from the middle to the edge, so that the dust can roll downward along the screen 4 while vibrating with the screen 4, and the screening efficiency is increased. In the embodiment, the number of the horizontal plates 53 is two, the two horizontal plates 53 are symmetrically arranged, the width of the horizontal plate 53 can be selected between 3cm-5cm, if the width of the horizontal plate 53 is too small, the sharing effect is reduced, if the width of the horizontal plate 53 is too large, the power of the first motor 5 needs to be increased, and the energy consumption is large, in the embodiment, the horizontal plate 53 is arranged in parallel with the screen 4, and the distance between the lower edge of the horizontal plate 53 and the screen 4 is greater than 1cm, so that the lower edge of the horizontal plate 53 is prevented from contacting some impurities with large particle size, so as to reduce the damage rate of the horizontal plate 53.
[0030] In some embodiments, referring to Figure 1 The support beam 2 is a cross beam, the first motor 5 is arranged at the middle of the support beam 2, the dust cover 8 is arranged at the middle of the support beam 2, the first motor 5 is placed in the dust cover 8, the rotating shaft 51 penetrates the top of the dust cover 8 and is connected with the driving end of the first motor 5, in the embodiment, the upper end of the dust cover 8 is provided with a conical top, so that the dust falling on the top of the dust cover 8 can slide down.
[0031] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. Dust ash screening device, characterized by, The utility model provides a dust removal device, including the casing (1), the bottom of casing (1) is equipped with the discharge port (102), the top of casing (1) is equipped with the feed inlet (101), the inside of casing (1) is equipped with support beam (2), support beam (2) is equipped with net rack (3) on, net rack (3) is fixed with screen (4) on, spring (7) is connected between net rack (3) with support beam (2), support beam (2) is equipped with vibration motor (6), vibration end of vibration motor (6) is connected net rack (3), support beam (2) is equipped with first motor (5), the drive end of first motor (5) is equipped with rotating shaft (51), the upper end of rotating shaft (51) is upwards and extends to the above screen (4) and is penetrated through net rack (3), rotating shaft (51) is connected with a plurality of transverse plate (53) circumferentially, transverse plate (53) is located above screen (4), and first motor (5) is used to drive rotating shaft (51) and drives transverse plate (53) rotation to move dust removal ash and make dust removal ash divide and spread on screen (4).
2. The dedusting ash screening device according to claim 1, characterized in that, The feed inlet (101) is provided with a feed hopper (11), and the feed hopper (11) is located directly above the rotating shaft (51).
3. A dust screen apparatus as claimed in claim 2, wherein, The top of the rotating shaft (51) is provided with a conical cap (52).
4. The dedusting ash screening device according to claim 1, characterized in that, The net rack (3) includes a first annular frame (31) and a second annular frame (32), the first annular frame (31) is located inside the second annular frame (32) and coaxially arranged with the second annular frame (32), the first annular frame (31) is sleeved on the rotating shaft (51) and slidably connected with the rotating shaft (51), the second annular frame (32) is connected to the support beam (2) by the spring (7), the screen (4) is arranged between the first annular frame (31) and the second annular frame (32), and the vibration motor (6) is connected to the second annular frame (32).
5. A dust screenings apparatus as claimed in claim 4, wherein, The first annular frame (31) and the second annular frame (32) are connected by a reinforcing rib plate (33).
6. The dedusting ash screening device according to claim 4, characterized in that, The first annular frame (31) is located above the second annular frame (32), and the screen (4) is inclined downward from the middle to the edge.
7. A dust screening apparatus as claimed in claim 6, wherein, The transverse plate (53) is arranged in parallel with the screen (4).
8. A dedusting ash classifying device as claimed in claim 7, characterized in that The distance between the transverse plate (53) and the screen (4) is greater than 1 cm.
9. The dedusting ash classifying device according to claim 1, characterized in that, The support beam (2) is provided with a dust cover (8), and the first motor (5) is arranged in the dust cover (8).
10. The dedusting ash classifying device according to claim 1, characterized in that, The bottom of the casing (1) is circumferentially provided with a plurality of supporting columns (12), the supporting columns (12) support the casing (1) to have a gap between the discharge port (102) and the ground.