Multi-stage filtering device for screening water-atomized iron powder

Abstract

The utility model discloses a multi-stage filtering device for screening water atomized iron powder, which comprises a multi-stage circular vibrating screen body, a plurality of discharge ports are arranged on the multi-stage circular vibrating screen body, and a collecting structure is mounted on the plurality of discharge ports; the collecting structure comprises a plurality of connecting sleeves; the plurality of connecting sleeves are respectively arranged on the plurality of discharging holes in a sleeving manner; the utility model relates to the technical field of filtering devices, water atomized iron powder enters a multi-stage circular vibrating screen body, and the iron powder with different particle sizes is discharged from a plurality of discharge holes through the screening and filtering work of the multi-stage circular vibrating screen body, and directly enters a moving box through the connection of a plurality of connecting pipes; and impurities such as dust and moisture in the external environment are prevented from being mixed into the screened iron powder, the purity and quality of the iron powder are guaranteed, the situation that the collected iron powder drifts away due to large airflow change of the external environment is avoided, and the collection efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter device technical field, concretely is a kind of multistage filter device for water atomization iron powder screening. BACKGROUND

[0002] In water atomization iron powder production process, high-quality low-carbon steel or pure iron raw material after pretreatment is melted to complete liquid state, then high-pressure water flow is high-speed injected into molten metal stream, which is rapidly broken into small droplets, and cooled and solidified into powder under inert gas protection. These powders are collected, screened and dried to ensure that the specified particle size distribution and quality standards are met. In this production process, screening is a crucial link. For example, a high-efficiency water atomization iron powder iron screen screening device with publication number CN215142084U discloses a machine and a protective device. The surface of the machine is connected to a discharge port. The side wall of the machine is movably connected to a collection box. The surface of the machine is rotatably connected to a cover door. The surface of the discharge port is provided with a protective device. The protective device includes a sleeve. Since the collection box is of open structure, the iron powder obtained after screening can enter the collection box through the sleeve. However, the iron powder in the collection box is easily affected by the external environment, such as dust, moisture and other impurities in the external environment, which affects the purity and quality of the iron powder. In addition, if the external environment airflow changes greatly, it will also blow the iron powder in the collection box, affecting the collection efficiency.

[0003] To solve the above problems, there may be technical means to solve the problem in the prior art, but the present case wants to provide an alternative or replacement technical solution. INVENTION CONTENTS

[0004] To solve the problems in the background art, the utility model realizes the following technical scheme: a multistage filter device for water atomization iron powder screening, comprising a multistage circular vibrating screen body, a plurality of discharge ports are provided on the multistage circular vibrating screen body, and a collection structure is installed on each discharge port.

[0005] The collection structure comprises a plurality of connecting sleeves, each connecting sleeve is sleeved on a discharge port, a top flange is installed on one end of each connecting sleeve, and a moving box is installed on the lower wall of the top flange.

[0006] The moving box comprises a box body, the box body is an arc structure coaxial with the multistage circular vibrating screen body, a plurality of connecting pipes are inserted on the upper wall of the box body, each connecting pipe is correspondingly arranged with a connecting sleeve, a lower flange is installed on one end of each connecting pipe, a plurality of mounting holes are formed on the top flange and the lower flange, and a threaded assembly is installed on each mounting hole.

[0007] The inner side wall of the box is provided with a plurality of partitions, the plurality of partitions separate the inside of the box into a plurality of storage spaces, the plurality of storage spaces are provided in one-to-one correspondence with the plurality of discharge ports, and the lower wall of the box is provided with a valve in one-to-one correspondence with the plurality of storage spaces.

[0008] Preferably, the lower flange plate is matched with a cover, a plurality of through holes are formed in the cover in one-to-one correspondence with the plurality of mounting holes.

[0009] Preferably, the threaded assembly comprises a bolt, the bolt is movably penetrated through the mounting holes of the lower flange plate and the upper flange plate, and a nut is threadedly sleeved on the bolt.

[0010] Preferably, the box is provided with a plurality of legs, one end of each of the plurality of legs is provided with a universal wheel, and the universal wheel has a locking function.

[0011] Preferably, the plurality of connecting sleeves are flexible structures, and a separation sleeve is fixedly inserted into the inner side wall of each of the plurality of connecting sleeves and movably inserted into the connecting pipe.

[0012] Preferably, the inner bottom surface of each of the plurality of storage spaces is provided with an inclined surface.

[0013] Beneficial effects

[0014] The utility model provides a kind of multistage filter device for water atomization iron powder screening, with following beneficial effects: water atomization iron powder enters multistage circular vibrating screen body, is filtered by the screening work of multistage circular vibrating screen body, and iron powder of different particle sizes is discharged from multiple discharge ports respectively, is connected by multiple connecting pipes, directly enters into mobile box, prevents dust, moisture and other impurities in external environment from mixing in iron powder after screening, guarantees the purity and quality of iron powder, avoids the iron powder collected from being scattered due to the large change of external environment airflow, guarantees collection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a top view angle three-dimensional structure schematic diagram of the multistage filter device for water atomization iron powder screening.

[0016] Figure 2 It is a bottom view angle three-dimensional structure schematic diagram of the multistage filter device for water atomization iron powder screening.

[0017] Figure 3 It is a main view partial sectional view structure schematic diagram of the multistage filter device for water atomization iron powder screening.

[0018] Figure 4The utility model discloses a main view section structure schematic diagram of the cover of a multistage filtering device for water atomized iron powder screening.

[0019] In the drawing: 1, multistage circular vibrating screen body, 2, discharge port, 3, connecting sleeve, 4, top flange plate, 5, box, 6, connecting pipe, 7, lower flange plate, 8, partition, 9, valve, 10, cover, 11, through hole, 12, bolt, 13, nut, 14, support leg, 15, universal wheel, 16, separation sleeve, 17, inclined surface. DETAILED DESCRIPTION

[0020] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.

[0021] Embodiment: through the personnel of the art, all electrical components in the case and its adaptation power are connected through the wire, and should be according to actual situation, select the appropriate controller, to meet the control demand, specific connection and control order, should refer to the working principle in the following, the working order of each electrical component is completed, and the detailed connection means is the public technical knowledge in the art, the working principle and process are mainly introduced below, and the electrical control is not explained.

[0022] Please refer to Figures 1-4 In order to solve the problem that the iron powder is easily affected by the external environment after being screened and filtered into the open container, impurities such as dust and moisture in the external environment are mixed into the iron powder, thereby affecting the purity and quality of the iron powder, and if the external environment airflow changes greatly, the iron powder in the collection box will be blown up, affecting the collection efficiency, the technical scheme is designed, and the detailed technical scheme is as follows.

[0023] A multistage filtering device for water atomized iron powder screening, comprising a multistage circular vibrating screen body 1, a plurality of discharge ports 2 are arranged on the multistage circular vibrating screen body 1, and a collection structure is installed on the plurality of discharge ports 2.

[0024] It should be noted that the setting structure and principle of the multistage circular vibrating screen body 1 and the plurality of discharge ports 2 can refer to the circular vibrating screen with the publication number CN221674897U, and since it is prior art, it will not be described in detail, wherein the plurality of discharge ports 2 are staggered on one side of the multistage circular vibrating screen body 1.

[0025] Specifically, the collection structure comprises a plurality of connecting sleeves 3, the plurality of connecting sleeves 3 are respectively sleeved on the plurality of discharge ports 2, one end of the plurality of connecting sleeves 3 is provided with a top flange plate 4, and a moving box is arranged on the lower wall surface of the top flange plate 4.

[0026] Specifically, the mobile box includes a box body 5, which is an arc-shaped structure coaxial with the multi-stage circular vibrating screen body 1. Multiple connecting pipes 6 are inserted into the upper wall of the box body 5. The multiple connecting pipes 6 are corresponding to multiple connecting sleeves 3. A lower flange 7 is installed at one end of the multiple connecting pipes 6. Multiple mounting holes are opened on the top flange 4 and the lower flange 7. Threaded components are installed on the multiple mounting holes.

[0027] It should be noted that the mobile box is detachably connected to multiple top flanges 4 via multiple lower flanges 7. Water atomized iron powder enters the multi-stage circular vibrating screen body 1. Through the screening and filtration work of the multi-stage circular vibrating screen body 1, iron powder of different particle sizes is discharged from multiple discharge ports 2 and directly enters the mobile box through multiple connecting pipes 6.

[0028] Specifically, the inner wall of the box 5 is provided with multiple partitions 8, which divide the interior of the box 5 into multiple storage spaces. Each storage space is set with a corresponding discharge port 2. A valve 9 is set on the lower wall of the box 5, corresponding to each of the multiple storage spaces.

[0029] It should be noted that after being separated by multiple partitions 8, iron powder of different sizes is stored in the corresponding storage space. At this time, valve 9 is in the closed state. Valve 9 can be a knife gate valve operated by a manual valve, which can prevent dust, moisture and other impurities from the external environment from being mixed into the iron powder after screening, ensuring the purity and quality of the iron powder, avoiding the iron powder from being scattered due to large changes in the airflow of the external environment, and ensuring collection efficiency.

[0030] As a preferred and further option, a cover 10 is fitted on the lower flange 7, and the cover 10 has a plurality of through holes 11 that match the plurality of mounting holes one by one.

[0031] It should be noted that when the iron powder after screening and filtration needs to be transferred elsewhere, the top flange 4 and the lower flange 7 should be disassembled, and the cover 10 should be installed on the lower flange 7 through the threaded assembly to seal the box 5.

[0032] As a preferred and further option, the threaded assembly includes a bolt 12 that is movably inserted through mounting holes in the lower flange 7 and the top flange 4, and a nut 13 is threaded onto the bolt 12.

[0033] It should be noted that the top flange 4 and the lower flange 7, as well as the cover 10 and the lower flange 7, can be disassembled and assembled by the cooperation of bolt 12 and nut 13.

[0034] As a preferred and further option, the housing 5 is provided with multiple support legs 14, and one end of each support leg 14 is equipped with a caster wheel 15, which has a locking function.

[0035] It should be noted that the support legs 14 are used to support the box 5, the universal wheels 15 are used to facilitate the movement of the box 5, and the locking function of the universal wheels 15 is used to prevent the box 5 from moving by itself;

[0036] As preferred, further, the plurality of connecting sleeves 3 are flexible structures, which are used to prevent the vibration of the multi-stage circular vibrating screen body 1 from being transmitted to the box 5, and the inner side walls of the plurality of connecting sleeves 3 are fixedly inserted with the partition sleeves 16, the partition sleeves 16 are movably inserted on the connecting pipes 6, the partition sleeves 16 are used to shield the connecting gap between the top flange plate 4 and the lower flange plate 7, and the materials of the connecting sleeves 3 and the partition sleeves 16 can be soft rubber materials.

[0037] As preferred, further, the inner side bottom surfaces of the plurality of storage spaces are all provided with the inclined surfaces 17, when it is needed to discharge the iron powder in the box 5, the valve 9 can be opened, and the inclined surfaces 17 are convenient for the iron powder to be discharged from the inside of the box 5.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-stage filtration device for water-atomized iron powder sieving, comprising a multi-stage circular vibrating screen body (1), wherein the multi-stage circular vibrating screen body (1) is provided with a plurality of discharge ports (2), characterized in that, A collection structure is installed on each of the discharge ports (2); The collection structure includes multiple connecting sleeves (3), which are respectively fitted onto multiple discharge ports (2). Each of the multiple connecting sleeves (3) has a top flange (4) installed at one end, and a movable box is installed on the lower wall of the top flange (4). The mobile box includes a box body (5), which is an arc-shaped structure coaxial with the multi-stage circular vibrating screen body (1). Multiple connecting pipes (6) are inserted into the upper wall of the box body (5). The multiple connecting pipes (6) are arranged in a one-to-one correspondence with the multiple connecting sleeves (3). A lower flange (7) is installed at one end of the multiple connecting pipes (6). Multiple mounting holes are opened on the top flange (4) and the lower flange (7). Threaded components are installed on the multiple mounting holes. The inner wall of the box (5) is provided with multiple partitions (8), which divide the interior of the box (5) into multiple storage spaces. Each of the multiple storage spaces is provided in a one-to-one correspondence with a multiple discharge port (2). A valve (9) is provided on the lower wall of the box (5) and in a one-to-one correspondence with the multiple storage spaces.

2. The multi-stage filtration device for water atomized iron powder sieving according to claim 1, characterized in that, The lower flange (7) is fitted with a cover (10), and the cover (10) has a plurality of through holes (11) that match the plurality of mounting holes one by one.

3. A multi-stage filtration device for water-atomized iron powder sieving according to claim 2, characterized in that, The threaded assembly includes a bolt (12) that is movably inserted through mounting holes in the lower flange (7) and the top flange (4), and a nut (13) is threaded onto the bolt (12).

4. A multi-stage filtration device for water-atomized iron powder sieving according to claim 2, characterized in that, The housing (5) is provided with multiple support legs (14), and one end of each support leg (14) is equipped with a caster wheel (15), which has a locking function.

5. A multi-stage filtration device for water atomized iron powder sieving according to claim 1, characterized in that, All of the connecting sleeves (3) are flexible structures, and a partition sleeve (16) is fixedly inserted into the inner wall of each of the connecting sleeves (3), and the partition sleeve (16) is movably inserted into the connecting tube (6).

6. A multi-stage filtration device for water atomized iron powder sieving according to claim 1, characterized in that, Each of the storage spaces has a sloping surface (17) on its inner bottom surface.

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