Iron oxide red washing device

The design of the iron oxide washing device solves the problem of magnetic property deterioration caused by excessive chloride ions, and achieves effective treatment of iron oxide and improved device durability.

CN223698693UActive Publication Date: 2025-12-23BEIKUANG MAGNETS FUYANG CO LTD
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Patent Information

Application Number
CN202423009165.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-12-23
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

In existing technologies, iron oxide with excessive chloride ions is used directly in the production of permanent magnet ferrite materials without treatment, resulting in deterioration of magnetic properties and rendering it unusable.

Method used

A device for washing iron oxide red was designed, including a mixing tank, a mixing component, an iron oxide red silo, a liquid water silo, a discharge pipe, a mud pump, and a plate and frame filter press. The device reduces the chloride ion content in iron oxide red by filtering the diluted slurry after uniform mixing.

Benefits of technology

It effectively reduces the chloride ion content in iron oxide to meet the requirements for normal production of permanent magnet ferrite, improves the magnetic properties of the material, and ensures the durability of the device by using resin liners and PE material mixing tanks and conveying pipes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of iron oxide red washing, in particular to an iron oxide red washing device, which adopts the technical scheme that the iron oxide red washing device comprises a stirring tank, a stirring component is mounted on the inner side of the stirring tank, a discharge pipe is mounted at the lower end of the stirring tank, a slurry pump is mounted at the lower end of the discharge pipe, and a conveying pipe is mounted at the output end of the slurry pump. The iron oxide red washing device has the advantages that when iron oxide red needs to be washed, the iron oxide red is discharged into the stirring tank from the iron oxide red stock bin, meanwhile, liquid water is guided into the stirring tank through the liquid water stock bin, then the stirring assembly is started to fully and evenly stir the iron oxide red, and the iron oxide red is discharged into the stirring tank through the liquid water stock bin. The slurry is conveyed to a plate-and-frame filter press through a slurry pump for filter pressing, obtained filter pressing materials fall into a material receiving groove due to gravity, and finally the filter pressing materials fall into a material collecting tank till the content of chloride ions contained in the iron oxide red can be reduced to meet the requirement for normal production of the permanent magnetic ferrite.
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Description

TECHNICAL FIELD

[0001] The utility model relates to iron red washing field, concretely relates to a washing iron red device. BACKGROUND

[0002] M type permanent magnet ferrite is the permanent magnet material with the most extensive application and the largest consumption, and the M type permanent magnet ferrite can be divided into iron scale material and iron red material according to the source of iron-containing raw material, and the iron scale material is mainly used in low-end product market due to low performance.

[0003] Iron red is the by-product obtained by cold-rolled steel plant through roasting method, i.e., spray roasting method, for recovering phosphoric acid liquid, and if the process control is not in place (temperature is too low, etc.) in the spray roasting process, the iron red with excessive chlorine ion content will be produced, and if the iron red with excessive chlorine ion content is directly used for producing permanent magnet ferrite material without treatment, the magnetic performance will be deteriorated, and the produced permanent magnet ferrite material cannot be used.

[0004] Therefore, it is necessary to invent a washing iron red device. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the problems in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a washing iron red device, which comprises a stirring tank, a stirring assembly is installed on the inner side of the stirring tank, an iron red material bin is arranged on one side of the upper end of the stirring tank, a liquid water material bin is arranged on the other side of the upper end of the stirring tank, a discharge pipe is installed on the lower end of the stirring tank, a slurry pump is installed on the lower end of the discharge pipe, a conveying pipe is installed on the output end of the slurry pump, a plate-and-frame filter press is arranged on the other end of the conveying pipe, and a receiving tank is arranged below the plate-and-frame filter press.

[0007] Based on the above features: the iron red to be washed is stored in the iron red material bin in advance, and the liquid water is stored in the liquid water material bin, when the iron red needs to be washed, the iron red is discharged from the iron red material bin into the stirring tank, at the same time, the liquid water is introduced into the stirring tank through the liquid water material bin, then the stirring assembly is started to fully stir and mix, then the valve on the discharge pipe is opened to discharge the washed slurry through the discharge pipe, and the slurry is conveyed to the plate-and-frame filter press by the slurry pump for pressure filtration, the obtained pressure filtration material falls into the receiving tank due to gravity, a collecting tank is arranged below the receiving tank, and finally the pressure filtration material falls into the collecting tank.

[0008] Preferably, the stirring assembly comprises a driving motor and a rotating shaft installed on the output end of the driving motor, a main shaft is installed on the lower end of the rotating shaft, and paddle blades are symmetrically installed on both sides of the main shaft.

[0009] Based on the above features: the driving motor can drive the main shaft to rotate after starting, at this time the main shaft will mix and stir the liquid water and iron red in the stirring tank through the paddle.

[0010] Preferably, the iron red bin includes a bin body and a flap valve installed at the lower end of the bin body, and a protective cover is installed outside the bin body.

[0011] Based on the above features: when it is necessary to discharge iron red or liquid water, the flap valve at the lower end of the bin body can be opened, and when the internal cavity of the bin body is insufficient to load more iron red or liquid water, the protective cover can be pulled up to expand the loading internal cavity, facilitating the accommodation of more iron red or liquid water.

[0012] Preferably, a limiting sliding groove and a clamping groove are formed on the outer surface of the bin body, the clamping groove is located at the upper end of the limiting sliding groove, and a sealing ring is installed at the upper end of the outer wall of the bin body.

[0013] Based on the above features: when the protective cover is pulled up, the lower end of the protective cover is fixed by the clamping groove to prevent the protective cover from falling down by itself, and the protective cover and the bin body are sealed by the sealing ring to avoid gaps between them.

[0014] Preferably, a through groove is formed on the surface of the lower end of the protective cover, a fixed frame is fixedly installed on the outer end side of the protective cover close to the through groove, an active hole is formed in the middle of the fixed frame, and a pull rod is inserted into the middle of the active hole.

[0015] Based on the above features: one end of the pull rod penetrates the fixed frame through the active hole, facilitating the telescopic adjustment of the pull rod, and the other end of the pull rod can be actively penetrated through the through groove, facilitating the insertion of one end of the pull rod into the clamping groove for limiting and fixing.

[0016] Preferably, a limiting clamping block is installed at one end of the pull rod, a buffer spring is installed at one end of the limiting clamping block, and the buffer spring is sleeved outside the pull rod.

[0017] Based on the above features: when the protective cover is pulled up, the pull rod can be pulled out from the end away from the protective cover, at this time the limiting clamping block moves to the inside of the fixed frame and deforms the buffer spring, then the protective cover is continuously pulled up to align the limiting clamping block with the clamping groove, when the two are aligned, the pull rod can be released, at this time the buffer spring rebounds the limiting clamping block and the pull rod, and finally the limiting clamping block is inserted into the clamping groove inside through the through groove for fixing, avoiding the self-falling of the protective cover after being pulled up.

[0018] Preferably, the inner wall of the stirring tank is a resin lining plate, and the conveying pipe is made of PE.

[0019] Based on the above features: because the water washing iron red contains chloride ions, the solution in the stirring tank presents strong acidity and strong corrosiveness, if ordinary steel material is used, it is easy to be corroded, therefore, the stirring tank adopts resin lining plate, and the conveying pipe is made of PE, so that the durability of the production line can be guaranteed.

[0020] The utility model discloses the beneficial effect is:

[0021] 1, the iron red to be washed is stored in advance in the iron red material bin, and the liquid water is stored in the liquid water material bin, when the iron red needs to be washed, the iron red is discharged into the stirring tank from the iron red material bin, and the liquid water is also introduced into the stirring tank from the liquid water material bin, then the stirring assembly is started to fully stir uniformly, then the valve on the discharge pipe is opened to make the washed thin slurry discharge through the discharge pipe, and the thin slurry is conveyed to the plate and frame filter press by the slurry pump to carry out pressure filtration, and the obtained pressure filtration material falls into the receiving groove due to gravity, the collecting tank is arranged below the receiving groove, finally, the pressure filtration material falls into the collecting tank, until the chloride ion content in the iron red can be reduced to meet the needs of normal production of permanent magnet ferrite.

[0022] 2, because the water washing iron red before treatment contains chloride ions, the solution in the stirring tank presents strong acidity and strong corrosiveness, if ordinary steel material is used, it is easy to be corroded, therefore, the stirring tank adopts resin lining plate, and the conveying pipe is made of PE, so that the durability of the production line can be guaranteed.

[0023] 3, when the cavity in the bin body is insufficient to load more iron red or liquid water, the protective cover can be pulled up, then the pull rod is pulled out from the end away from the protective cover, at this time, the limit block moves to the inner side of the fixing frame and extrudes the buffer spring to deform, when the limit block is aligned with the clamping groove, the pull rod can be loosened, at this time, the buffer spring rebounds the limit block and the pull rod, finally, the limit block is fixed by being inserted into the clamping groove through the through groove, avoiding the protective cover from falling down after being pulled up, expanding the loading cavity, and facilitating more iron red or liquid water. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The utility model provides a kind of water washing iron red device overall structure schematic view;

[0025] Figure 2 The utility model provides a kind of water washing iron red device stirring assembly structure schematic view;

[0026] Figure 3 The utility model provides a kind of water washing iron red device bin body and protective cover split drawing;

[0027] Figure 4 The utility model provides a kind of water washing iron red device Figure 3 Local enlarged structure schematic view in A place.

[0028] Fig. 1, stirring tank; 2, stirring assembly; 21, driving motor; 22, rotating shaft; 23, main shaft; 24, paddle; 3, iron red material bin; 31, bin body; 311, limiting sliding groove; 312, clamping groove; 313, sealing ring; 32, flap valve; 33, protective cover; 331, through groove; 332, fixing frame; 333, movable hole; 334, pull rod; 3341, limiting clamping block; 3342, buffer spring; 4, liquid water material bin; 5, discharge pipe; 6, slurry pump; 7, conveying pipe; 8, plate-and-frame filter press; 9, material receiving groove. DETAILED DESCRIPTION

[0029] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.

[0030] Referring to the drawings Figures 1-4 The utility model provides a kind of iron red washing device, including stirring tank 1, stirring assembly 2 is installed in the inboard of stirring tank 1, iron red material bin 3 is provided at the upper end of stirring tank 1 one side, liquid water material bin 4 is provided at the upper end of stirring tank 1 other side, discharge pipe 5 is installed at the lower end of stirring tank 1, slurry pump 6 is installed at the lower end of discharge pipe 5, conveying pipe 7 is installed at the output end of slurry pump 6, plate-and-frame filter press 8 is provided at the other end of conveying pipe 7, material receiving groove 9 is provided below plate-and-frame filter press 8.

[0031] Iron red to be washed is stored in advance in the inside of iron red material bin 3, and liquid water is stored in the inside of liquid water material bin 4, when iron red needs to be washed, iron red is discharged from iron red material bin 3 into the inside of stirring tank 1, while liquid water is also introduced into the inside of stirring tank 1 by liquid water material bin 4, then start stirring assembly 2 to fully stir evenly, then open the valve on discharge pipe 5 to make the dilute slurry after washing to be discharged through discharge pipe 5, and dilute slurry is conveyed to plate-and-frame filter press 8 for pressure filtration using slurry pump 6, and the obtained pressure filtration material falls into material receiving groove 9 due to gravity, collecting tank is provided below material receiving groove 9, finally these pressure filtration materials fall into the inside of collecting tank, until the content of chloride ion contained in iron red can be reduced to meet the needs of normal production of permanent magnet ferrite (the content of chloride ion can be detected by professional testing instrument, prior art, without specific description).

[0032] Preferably, stirring assembly 2 includes driving motor 21 and rotating shaft 22 installed at the output end of driving motor 21, main shaft 23 is installed at the lower end of rotating shaft 22, and paddle 24 is symmetrically installed at both sides of main shaft 23.

[0033] Driving motor 21 can drive main shaft 23 to rotate through rotating shaft 22 after starting, at this time, main shaft 23 will mix and stir liquid water and iron red in stirring tank 1 through paddle 24.

[0034] Preferably, the iron red material bin 3 comprises a bin body 31 and a flap valve 32 installed at the lower end of the bin body 31, and a protective cover 33 is installed outside the bin body 31.

[0035] The iron red material bin 3 and the liquid water bin 4 have the same structure. When it is necessary to discharge the iron red or liquid water, the flap valve 32 at the lower end of the bin body 31 can be opened. When the internal cavity of the bin body 31 is insufficient to load more iron red or liquid water, the protective cover 33 can be pulled up to expand the loading internal cavity, thereby facilitating the accommodation of more iron red or liquid water.

[0036] Preferably, a limiting sliding groove 311 and a clamping groove 312 are formed on the outer surface of the bin body 31, the clamping groove 312 is located at the upper end of the limiting sliding groove 311, and a sealing ring 313 is installed at the upper end of the outer wall of the bin body 31.

[0037] The protective cover 33 can be guided and limited through the limiting sliding groove 311, which facilitates the vertical movement of the limiting sliding groove 311. When the protective cover 33 is pulled up, the lower end of the protective cover 33 will be fixed and limited by the clamping groove 312, thereby avoiding the self-falling of the protective cover 33. At the same time, the protective cover 33 and the bin body 31 will be sealed through the sealing ring 313, thereby avoiding the gap between them.

[0038] Preferably, a through groove 331 is formed on the lower end surface of the protective cover 33 in a spaced manner, a fixed frame 332 is fixedly installed on the outer end side of the protective cover 33 close to the through groove 331, an active hole 333 is formed in the middle of the fixed frame 332, and a pull rod 334 is inserted into the middle of the active hole 333.

[0039] One end of the pull rod 334 penetrates through the fixed frame 332 through the active hole 333, which facilitates the extension and contraction adjustment of the pull rod 334. The other end of the pull rod 334 can be movably penetrated through the through groove 331, which facilitates the insertion of one end of the pull rod 334 into the clamping groove 312 for limiting and fixing.

[0040] Preferably, a limiting clamping block 3341 is installed at one end of the pull rod 334, a buffer spring 3342 is installed at one end of the limiting clamping block 3341, and the buffer spring 3342 is sleeved outside the pull rod 334.

[0041] When the protective cover 33 is pulled up, the pull rod 334 can be pulled out from the end away from the protective cover 33. At this time, the limiting clamping block 3341 will move to the inside of the fixed frame 332 and extrude the buffer spring 3342 to deform. Then, the protective cover 33 is continuously pulled up, so that the limiting clamping block 3341 is aligned with the clamping groove 312. When they are aligned, the pull rod 334 can be released. At this time, the buffer spring 3342 will rebound the limiting clamping block 3341 and the pull rod 334. Finally, the limiting clamping block 3341 will be inserted into the clamping groove 312 through the through groove 331 for fixing, thereby avoiding the self-falling of the protective cover 33 after being pulled up.

[0042] Preferably, the inner wall of the stirring tank 1 is resin lining board, and the material of the conveying pipe 7 is PE.

[0043] Since the water-washed iron red contains chloride ions, the solution in the stirring tank 1 is strongly acidic and has strong corrosiveness, so if the ordinary steel material is used, it is easy to be corroded, therefore, the resin lining board is used for the stirring tank 1, and the material of the conveying pipe 7 is PE, so that the durability of the production line can be ensured.

[0044] The use process of the utility model is as follows: the iron red to be washed is stored in the iron red stock bin 3 in advance, and the liquid water is stored in the liquid water stock bin 4, when the inner cavity of the bin body 31 is insufficient to load more iron red or liquid water, the protective cover 33 can be pulled up to expand the loading inner cavity, when the iron red needs to be washed, the iron red is discharged from the iron red stock bin 3 into the stirring tank 1, at the same time, the liquid water is also introduced into the stirring tank 1 through the liquid water stock bin 4, then the driving motor 21 is started to drive the main shaft 23 to rotate, the main shaft 23 will mix and stir the liquid water and the iron red in the stirring tank 1 through the paddle 24, then the valve on the discharge pipe 5 is opened to make the water-washed thin slurry discharge through the discharge pipe 5, and the thin slurry is conveyed to the plate-and-frame filter press 8 by the mud pump 6 to be compressed and filtered, the obtained compressed and filtered material falls into the receiving tank 9 due to gravity, the collecting tank is arranged below the receiving tank 9, finally, the compressed and filtered material falls into the collecting tank. The above is only the preferred embodiment of the utility model, any skilled person in the art can modify the utility model by using the above-mentioned technical solutions or modify it into equivalent technical solutions. Therefore, any simple modification or equivalent replacement according to the technical solutions of the utility model is within the scope of protection of the utility model.

Claims

1. A water-washing iron red device comprising a stirring tank (1), characterized in that: The stirring tank (1) is internally provided with a stirring assembly (2), one side of the upper end of the stirring tank (1) is provided with an iron red material bin (3), the other side of the upper end of the stirring tank (1) is provided with a liquid water material bin (4), the lower end of the stirring tank (1) is provided with a discharge pipe (5), the lower end of the discharge pipe (5) is provided with a slurry pump (6), the output end of the slurry pump (6) is provided with a conveying pipe (7), the other end of the conveying pipe (7) is provided with a plate-and-frame filter press (8), and the lower end of the plate-and-frame filter press (8) is provided with a receiving groove (9).

2. A water-washing iron red device according to claim 1, characterized in that: The stirring assembly (2) comprises a driving motor (21) and a rotating shaft (22) installed at the output end of the driving motor (21), and the lower end of the rotating shaft (22) is provided with a main shaft (23), and the main shaft (23) is symmetrically provided with a paddle (24) on both sides.

3. A water-washing iron red device according to claim 1, characterized in that: The iron red material bin (3) comprises a bin body (31) and a flap valve (32) installed at the lower end of the bin body (31), and the bin body (31) is externally provided with a protective cover (33).

4. A water-washing iron red device according to claim 3, characterized in that: The outer surface of the bin body (31) is provided with a limiting sliding groove (311) and a clamping groove (312), the clamping groove (312) is located at the upper end of the limiting sliding groove (311), and the upper end of the outer wall of the bin body (31) is provided with a sealing ring (313).

5. A water-washing iron red device according to claim 3, characterized in that: The lower end surface of the protective cover (33) is provided with a through groove (331), the outer end side of the protective cover (33) is fixedly provided with a fixing frame (332) near the through groove (331), the middle of the fixing frame (332) is provided with a movable hole (333), and the movable hole (333) is inserted with a pull rod (334).

6. A water-washing iron red device according to claim 5, characterized in that: One end of the pull rod (334) is provided with a limiting clamping block (3341), one end of the limiting clamping block (3341) is provided with a buffer spring (3342), and the buffer spring (3342) is sleeved outside the pull rod (334).

7. A water-washing iron red device according to claim 1, characterized in that: The inner wall of the stirring tank (1) is a resin lining plate, and the conveying pipe (7) is made of PE.