CN210261245U - Magnetic recovery device for magnetic medium mixed flocculation precipitation - Google Patents

Abstract

The utility model relates to a magnetic recovery device for magnetic medium mixed flocculation and precipitation, which comprises a separation groove for containing magnetic mud, a magnetic roller arranged in the separation groove and a magnetic mud inlet, wherein the magnetic mud inlet is arranged at one side of the magnetic roller and is lower than the magnetic roller, the magnetic mud inlet comprises a transition section with a fan-shaped structure and an input joint for connecting a conveying pipeline, one end of the transition section is communicated with the separation groove, and the other end is communicated with the input joint; the utility model provides a ware is retrieved to magnetism, structural design is reasonable, and the rate of recovery of magnetic medium is high, and difficult emergence is blockked up, and is convenient for install and integrated ware is retrieved to magnetism at the scene, both can effectively solve the problem that magnetic mud strikes magnetic drum, has again and unloads sediment board pretension function, can ensure to unload the sediment completely.

Description

Magnetic recovery device for magnetic medium mixed flocculation precipitation

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to magnetism ware of receiving back that is used for magnetic medium to mix flocculation and precipitation.

Background

The magnetic medium coagulating sedimentation technology can meet the high standard requirement of effluent, and has the characteristics of less investment, small occupied area, low operation cost, simple operation and the like, and the technical process gradually becomes a new trend of emergency treatment and upgrading transformation of the water body.

The magnetic medium coagulating sedimentation technology utilizes a magnetic medium with large specific gravity as a carrier, so that the gravity settleability of waste residues in the wastewater is greatly enhanced, and the aim of efficiently purifying the wastewater is fulfilled; the magnetic medium is used as an important carrier for implementing the magnetic medium coagulating sedimentation technology, generally needs to be recycled, and whether the magnetic medium can be efficiently recycled directly determines the technical economic feasibility of the magnetic medium coagulating sedimentation technology.

In the prior art, a magnetic separator is usually adopted to recover magnetic media in magnetic mud, such as a mining magnetic separator, so that the magnetic media can be repeatedly and circularly utilized, however, the magnetic separator commonly used in the prior art usually has some defects, 1, the recovery rate of the magnetic media is not high, and especially the magnetic mud input into the magnetic recovery device through a magnetic mud inlet usually causes certain impact on the stable operation of a magnetic drum, thereby seriously affecting the recovery rate of the magnetic media; 2. the existing magnetic separator is easy to block in the actual operation process; 3. inside the magnet separator, in the rotation in-process of magnetic cylinder, the magnetic medium that adsorbs on the magnetic cylinder generally need utilize and unload the sediment board and strike off, in order to realize the recovery of magnetic medium, but in the present magnet separator, it usually can not compress tightly magnetic cylinder to unload the sediment board, thereby lead to unloading the sediment incomplete (utilize to unload the sediment board and scrape the magnetic cylinder surface after the sediment still usually and have remained more magnetic medium promptly), influence magnetic cylinder's circulation adsorption efficiency, thereby influence the rate of recovery of magnetic medium, 4, current magnet separator, be not convenient for install at the scene.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that prior art exists, provide a structural design reasonable, the rate of recovery of magnetic medium is higher, is difficult for taking place to block up, and is convenient for install and integrated magnetism ware of retrieving at the scene.

For solving prior art, the rate of recovery of magnetic medium is not high, especially prevents the problem of magnetic mud to assaulting magnetic drum through the import input of magnetic mud, the utility model discloses the technical scheme who adopts is: the utility model provides a magnetism ware of retrieving for magnetic medium mixes flocculation and precipitation, includes the sorting tank that is used for holding magnetic mud, sets up magnetic drum and the magnetic mud import in the sorting tank, the magnetic mud import sets up in one side of magnetic drum, and is less than magnetic drum, magnetic mud import include the changeover portion of fan-shaped structure and are used for connecting pipeline's input joint, the one end of changeover portion with the sorting tank communicates mutually, the other end with the input joint is linked together. On one hand, the position of the magnetic mud inlet is lower than that of the magnetic roller, so that the magnetic mud input into the magnetic mud inlet can only enter the separation tank in an overflow mode and enters the separation tank from the lower part of one side of the magnetic roller, and therefore the magnetic mud can be prevented from impacting the magnetic roller under the action of the water force of the magnetic mud, the magnetic roller can stably run, the recovery rate of magnetic media can be improved, the magnetic mud can be in full contact with the magnetic roller, and the magnetic roller can adsorb the magnetic media in the magnetic mud; on the other hand, the magnetic mud inlet comprises a transition section of a fan-shaped structure, wherein one end with a large cross section in the transition section is communicated with the sorting groove, one end with a small cross section in the transition section is communicated with the input connector, and after the magnetic mud with certain conveying pressure (namely hydraulic pressure) enters the transition section, in the conveying process in the transition section, the conveying pressure on the magnetic mud is gradually reduced and the conveying speed is reduced, so that the magnetic drum can be effectively prevented from being impacted by the magnetic mud at high speed or high pressure, the magnetic drum is made to vibrate or be unstable, and the recovery rate of magnetic media is seriously influenced.

Preferably, the sorting trough has a closed inner cavity or an inner cavity with an opening at the upper end.

In a preferred embodiment, the transition section is arranged vertically. So that the magnetic mud in the transition section can overflow into the separation groove from bottom to top.

Preferably, the input joint is perpendicular to the transition section. Both the input connects and sets up along the horizontal direction usually, and the input that both is convenient for connects and pipeline links to each other, operates when the staff of being convenient for installs, can reduce the delivery pressure of magnetic mud through the transport orbit that changes magnetic mud again, is favorable to further avoiding or alleviating the problem that magnetic mud strikes the magnetic drum.

In order to avoid the blockage of the magnetic recovery device, in a further scheme, the magnetic recovery device further comprises a magnetic medium outlet used for conveying the separated magnetic medium, the magnetic medium outlet is arranged on the other side of the magnetic roller and is communicated with the sorting groove, and the magnetic medium outlet is of a cuboid structure; the magnetic medium outlet with a cuboid structure can effectively avoid blockage in the magnetic medium conveying process.

In order to avoid the blockage of the magnetic recovery device, in a further scheme, the magnetic recovery device further comprises a residual sludge outlet for conveying residual sludge, wherein the residual sludge outlet comprises an output transition section and an output joint, the output transition section is of a fan-shaped structure, one end of the output transition section is communicated with the separation groove, and the other end of the output transition section is communicated with the output joint. In the scheme, a large end (namely, the end with a large cross section and a large flow area) in the output transition section of the fan-shaped structure is communicated with the sorting groove, so that residual sludge in the sorting groove can conveniently and efficiently enter the residual sludge outlet, and the residual sludge in the sorting groove can be effectively prevented from being blocked; the small end (i.e. the end with the smaller cross section) of the output transition section of the fan-shaped structure is communicated with the output joint, so that the excess sludge can enter the conveying pipeline through the output joint and be transferred to the conveying pipeline.

For making unload sediment board and magnetic drum in close contact with, alleviate or eliminate and unload the incomplete problem of sediment, the utility model discloses the technical scheme who adopts does, still including unloading the sediment board, and be used for the pretension unload the pretension spring of sediment board, the pretension spring one end with the one end of unloading the sediment board links to each other, and the other end of unloading the sediment board compresses tightly magnetic drum, and the other end of pretension spring is fixed in the inner wall of separation groove, pretension spring is in tensile state. The magnetic roller has the advantages that the magnetic roller is tightly pressed at one end of the slag unloading plate through the tension force provided by the pre-tightening spring, magnetic media adsorbed on the magnetic roller can be separated from the magnetic roller under the action of the slag unloading plate in the rotating process of the magnetic roller, the magnetic media can not be remained on the surface of the magnetic roller after the slag unloading plate is utilized to scrape slag, so that complete slag unloading is ensured, the circular adsorption capacity of the magnetic roller is favorably enhanced, and the recovery rate of the magnetic media is favorably improved.

In a preferred scheme, still include crossbeam, first splint, second splint, wherein, the both ends of crossbeam respectively swing joint in the lateral wall of separation groove, one side of first splint is fixed in one side of crossbeam, unload the sediment board and install between first splint and second splint to fix through the bolt, the opposite side of crossbeam is provided with the journal stirrup, pretension spring with the journal stirrup links to each other. The slag unloading plate is arranged between the first clamping plate and the second clamping plate through the bolts, so that the slag unloading plate is convenient to mount and dismount, the slag unloading plate is convenient to replace, the mounting of the slag unloading plate is more stable, the rigidity of the slag unloading plate is improved, and the slag unloading plate is prevented from deforming in the process of compressing the magnetic roller to influence the slag unloading effect. By way of example, as shown in the figure, the cross beam is fixed on the side wall of the sorting groove through bolts, the cross beam can rotate, and the pre-tightening spring realizes pre-tightening of the slag discharging plate by utilizing the lever principle.

For further improvement unload the sediment effect, still include and be used for washing the washing water pipe on magnetic drum surface, the export of washing water pipe set up in the separation groove, and be located unload the upper portion of sediment board to ensure to unload the sediment completely. In the operation process of the magnetic reclaimer, the washing water pipe can further clean the surface of the magnetic roller (usually the surface close to the slag unloading plate), and the magnetic medium separated from the magnetic roller falls into the magnetic medium outlet to be discharged out of the magnetic reclaimer for recycling; and the residual sludge after demagnetization is discharged out of the magnetic recovery device through a residual sludge outlet so as to achieve the aim of recovering and recycling the magnetic medium.

Furthermore, the magnetic roller separator also comprises an observation window for observing the adsorption condition of the magnetic medium in the operation process of the magnetic roller, and the observation window is arranged on the side wall of the separation groove.

Preferably, a cover plate for opening/closing is provided at the observation window, and the cover plate is hinged to a side wall of the sorting chute and closes the observation window.

In order to facilitate the installation and integration of the magnetic recycling device, the magnetic recycling device further comprises a rack for supporting the sorting groove and a driving motor for driving the magnetic roller to rotate, the magnetic roller is fixed on the rack through a bearing seat, the driving motor is installed on the rack, and an output shaft of the driving motor is connected with the magnetic roller through a transmission part.

Preferably, the transmission component can be a gear transmission mechanism, a chain wheel transmission mechanism, a belt wheel transmission mechanism or the like.

Furthermore, the magnetic roller adjusting mechanism is used for adjusting the position and the rotation angle of the magnetic roller and is arranged on the rack.

Compared with the prior art, use the utility model provides a pair of a magnetism ware of receiving that returns that is used for magnetic medium to mix flocculation and precipitation has following beneficial effect:

1. the magnetic recovery device has reasonable structural design, can effectively avoid the impact of magnetic mud on the magnetic roller, and is favorable for the stable and stable operation of the magnetic roller, thereby effectively improving the high recovery rate of magnetic media.

2. The magnetic recovery device is compact in structure, convenient to install and integrate on site and not easy to block in the actual operation process.

3. The magnetic recycling device has the function of pre-tightening the slag discharging plate, can ensure complete slag discharging, is beneficial to enhancing the circulating adsorption capacity of the magnetic roller and improving the recovery rate of magnetic media.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a partial sectional view of a main structure of a magnetic recovery device for magnetic medium mixed flocculation and sedimentation provided in an embodiment of the present invention;

fig. 2 is a right side view of fig. 1.

Fig. 3 is a left side view of fig. 1.

Fig. 4 is a partially enlarged schematic view of fig. 1.

Fig. 5 is a partial schematic view of fig. 1.

Description of the drawings

A sorting groove 101, a magnetic roller 102, a magnetic mud inlet 103, a transition section 104, an input joint 105, a magnetic medium outlet 106, a residual mud outlet 107, an output transition section 108, an output joint 109,

a slag discharging plate 201, a pre-tightening spring 202, a cross beam 203, a first clamping plate 204, a second clamping plate 205, a support lug 206, a bolt 207,

the water pipe 301 is flushed out,

the viewing window 401, the cover plate 402,

a frame 501, a driving motor 502, a main shaft 503, a bearing seat 504 and a magnetic roller adjusting mechanism 505.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, 2 and 3, the embodiment provides a magnetic recycling device for magnetic medium mixed flocculation and sedimentation, which includes a separation tank 101 for containing magnetic sludge, a magnetic drum 102 disposed in the separation tank 101, and a magnetic sludge inlet 103, where the magnetic sludge inlet 103 is disposed on one side of the magnetic drum 102 and lower than the magnetic drum 102, the magnetic sludge inlet 103 includes a transition section 104 of a sector structure and an input joint 105 for connecting a conveying pipeline, one end of the transition section 104 is communicated with the separation tank 101, and the other end is communicated with the input joint 105. On one hand, the position of the magnetic mud inlet 103 is lower than that of the magnetic roller 102, so that the magnetic mud input into the magnetic mud inlet 103 can only enter the separation tank 101 in an overflow mode, and enters the separation tank 101 from the lower part of one side of the magnetic roller 102, and therefore, the magnetic mud can be prevented from impacting the magnetic roller 102 under the action of the own water force, the magnetic roller 102 can stably run, the recovery rate of magnetic media can be improved, the magnetic mud can be in full contact with the magnetic roller 102, and the magnetic roller 102 can adsorb the magnetic media in the magnetic mud; on the other hand, the magnetic mud inlet 103 comprises a transition section 104 with a fan-shaped structure, wherein one end of the transition section 104 with a larger cross section is communicated with the sorting tank 101, one end of the transition section with a smaller cross section is communicated with the input joint 105, and after magnetic mud with certain conveying pressure (namely hydraulic pressure) enters the transition section 104, the conveying pressure on the magnetic mud is gradually reduced and the conveying speed is reduced in the conveying process in the transition section 104, so that the magnetic drum 102 can be effectively prevented from being impacted by the magnetic mud at high speed or high pressure, the magnetic drum 102 is made to vibrate or be unstable, and the recovery rate of magnetic media is seriously influenced.

In a preferred embodiment, the sorting tank 101 has a closed inner cavity or an inner cavity with an opening at the upper end. By way of example, in the present embodiment, the sorting trough 101 has a closed internal cavity, as shown in fig. 1, that is, the sorting trough 101 has a closed structure and a closed internal cavity, as shown in fig. 1 and 5, the cross section of the upper part of the sorting trough 101 is trapezoidal.

As shown in fig. 1 and 2, in a preferred embodiment, the transition section 104 is vertically disposed. So that the magnetic sludge in the transition section 104 can overflow into the sorting trough 101 from bottom to top.

As shown in fig. 1, in a preferred embodiment, the input joint 105 and the transition section 104 are perpendicular to each other. Both the input joint 105 sets up along the horizontal direction usually, and both be convenient for input joint 105 and pipeline link to each other, and the staff of being convenient for operates when installing, can reduce the delivery pressure of magnetic mud again through the transport orbit that changes the magnetic mud, be favorable to further avoiding or alleviating the problem that magnetic mud strikes magnetic drum 102.

In order to avoid the blockage of the magnetic recovery device, in a further scheme, the magnetic recovery device further comprises a magnetic medium outlet 106 for conveying the separated magnetic medium, the magnetic medium outlet 106 is arranged at the other side of the magnetic roller 102 and is communicated with the sorting tank 101, and the magnetic medium outlet 106 is of a rectangular structure, as shown in fig. 1 and 3; the magnetic medium outlet 106 with a cuboid structure can effectively avoid blockage in the magnetic medium conveying process.

In order to avoid the magnetic reclaimer from being blocked, in a further scheme, the magnetic reclaimer further comprises an excess sludge outlet 107 for conveying excess sludge, as shown in fig. 1, 2 and 3, the excess sludge outlet 107 comprises an output transition section 108 with a fan-shaped structure and an output joint 109, one end of the output transition section 108 is communicated with the sorting tank 101, and the other end is communicated with the output joint 109. In the scheme, the large end (i.e. the end with the larger cross section and the larger flow area) in the output transition section 108 of the fan-shaped structure is communicated with the sorting tank 101, so that the excess sludge in the sorting tank 101 can conveniently and efficiently enter the excess sludge outlet 107, and the excess sludge in the sorting tank 101 can be effectively prevented from being blocked; the small end (i.e. the end with the smaller cross section) of the output transition section 108 of the fan-shaped structure is in communication with the output connection 109, so that excess sludge can enter the conveying pipe through the output connection 109 and be transferred thereto.

By way of example, in the present embodiment, the input joint 105 and the output joint 109 respectively comprise a cylindrical delivery pipe and a flange provided at one end of the delivery pipe for connection, as shown in fig. 1.

In order to make the slag discharging plate 201 closely contact with the magnetic roller 102, the incomplete problem of slag discharging is alleviated or eliminated, the utility model adopts the technical scheme that the slag discharging plate 201 and the pre-tightening spring 202 for pre-tightening the slag discharging plate 201 are included, one end of the pre-tightening spring 202 is connected with one end of the slag discharging plate 201, the other end of the slag discharging plate 201 compresses the magnetic roller 102, the other end of the pre-tightening spring 202 is fixed on the inner wall of the separation groove 101, and the pre-tightening spring 202 is in a stretching state. That is, one end of the slag discharging plate 201 is pressed against the magnetic roller 102 by the pulling force provided by the pre-tightening spring 202, and in the rotation process of the magnetic roller 102, the magnetic medium adsorbed on the slag discharging plate 201 can be separated from the magnetic roller 102 under the action of the slag discharging plate 201, and the magnetic medium is not usually left on the surface of the magnetic roller 102 after the slag is scraped by the slag discharging plate 201, so that complete slag discharging is ensured, which is not only beneficial to enhancing the cyclic adsorption capacity of the magnetic roller 102, but also beneficial to enhancing the recovery rate of the magnetic medium.

As shown in fig. 1 or 4, in a preferred embodiment, the slag-removing device further includes a cross beam 203, a first clamping plate 204, and a second clamping plate 205, wherein two ends of the cross beam 203 are movably connected to the side walls of the sorting trough 101, one side of the first clamping plate 204 is fixed to one side of the cross beam 203, the slag-removing plate 201 is installed between the first clamping plate 204 and the second clamping plate 205 and fixed by a bolt 207, the other side of the cross beam 203 is provided with a support lug 206, and the pre-tightening spring 202 is connected to the support lug 206. The slag unloading plate 201 is arranged between the first clamping plate 204 and the second clamping plate 205 through the bolts 207, so that the mounting and the dismounting are convenient, the replacement of the slag unloading plate 201 is convenient, the mounting of the slag unloading plate 201 is more stable, the rigidity of the slag unloading plate 201 is improved, and the slag unloading plate 201 is prevented from deforming in the process of pressing the magnetic roller 102 to influence the slag unloading effect. By way of example, the cross beam 203 is fixed on the side wall of the sorting groove 101 through a bolt 207, the cross beam 203 can rotate, and the pre-tightening spring 202 realizes pre-tightening of the slag discharging plate 201 by utilizing the principle of a lever; the number of the pre-tightening springs 202 and the lugs 206 can be determined according to actual requirements, and will not be described in detail herein.

In order to further improve the slag discharging effect, the slag discharging device further comprises a washing water pipe 301 for washing the surface of the magnetic roller 102, wherein an outlet of the washing water pipe 301 is arranged in the sorting tank 101 and is positioned at the upper part of the slag discharging plate 201, as shown in fig. 1, 2 or 3, so as to ensure the complete slag discharging. In the operation process of the magnetic reclaimer, the washing water pipe 301 can further wash the surface of the magnetic roller 102 (usually the surface close to the slag discharge plate 201), and the magnetic medium separated from the magnetic roller 102 falls into the magnetic medium outlet 106 to be discharged out of the magnetic reclaimer for recycling; and the residual sludge after demagnetization is discharged out of the magnetic recovery device through a residual sludge outlet 107 so as to achieve the purpose of recovering and recycling the magnetic medium.

In a further scheme, the device further comprises an observation window 401 for observing the adsorption condition of the magnetic medium in the operation process of the magnetic roller 102, wherein the observation window 401 is arranged on the side wall of the sorting groove 101; preferably, a cover plate 402 is disposed at the observation window 401, the cover plate 402 is hinged to a side wall of the sorting tank 101 and is used for closing the observation window 401, the cover plate 402 may be made of a transparent material, such as glass, transparent plastic, and the like, so as to facilitate observation of the adsorption condition of the magnetic medium during operation of the magnetic drum 102, and meanwhile, the cover plate 402 may further implement an opening/closing function through a hinged joint, so as to facilitate operation of the inside of the sorting tank 101 through the observation window 401. For example, as shown in fig. 1 and 5, two observation windows 401 are provided on the oblique sides of the sorting tank 101.

In order to facilitate the installation and integration of the magnetic recycling device, the magnetic recycling device further comprises a frame 501 for supporting the sorting trough 101, and a driving motor 502 for driving the magnetic drum 102 to rotate, wherein the magnetic drum 102 is fixed on the frame 501 through a bearing block 504, the driving motor 502 is installed on the frame 501, and an output shaft of the driving motor 502 is connected with the magnetic drum 102 through a transmission component. For example, as shown in fig. 1, 2 or 3, in this embodiment, the magnetic drum 102 includes a main shaft 503 and a drum, the drum is mounted to the main shaft 503 through a bearing, the main shaft 503 is a stepped shaft, two ends of the main shaft 503 are fixed to the frame 501 through bearing seats 504, and the motor is connected to the drum through a reducer and a gear in sequence so as to drive the drum to rotate relative to the main shaft 503.

In a preferred embodiment, the transmission component may be a gear transmission mechanism, a sprocket transmission mechanism, or a pulley transmission mechanism, which is not described herein again.

In a more complete scheme, the magnetic recycling device provided in this embodiment further includes a magnetic roller adjusting mechanism 505 for adjusting the position and the rotation angle of the magnetic roller 102, the magnetic roller adjusting mechanism 505 is disposed on the frame 501, as shown in fig. 2 or fig. 3, the magnetic roller adjusting mechanism 505 is a commonly used adjusting mechanism in the prior art, and is not described here again.

When the magnetic recovery device is installed on site, only the magnetic mud inlet 103, the magnetic medium outlet 106, the residual sludge outlet 107 and the flushing water pipe 301 need to be communicated respectively, which is very convenient.

The utility model provides a theory of operation and flow of magnetism ware of receiving are as follows:

the dispersed magnetic mud passes through the transition section 104 of the magnetic mud inlet 103 from the magnetic mud inlet 103 under the conveying action of the pump and overflows into the action area of the magnetic drum 102 in the sorting tank 101, the magnetic medium is adsorbed on the surface of the magnetic drum 102, the magnetic drum 102 is rotated by the driving motor 502, when the adsorbed magnetic medium enters the slag unloading area, the slag unloading plate 201 scrapes the magnetic medium off the magnetic drum 102 under the pre-tightening action of the pre-tightening spring 202, meanwhile, the washing water pipe 301 further cleans the surface of the magnetic drum 102, and the magnetic medium separated from the magnetic drum 102 falls into the magnetic medium outlet 106 and is discharged out of the magnetic recycling device for recycling; the residual sludge after demagnetization is discharged out of the magnetic recovery device through a residual sludge outlet 107 so as to achieve the purpose of recycling the magnetic medium.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a magnetism ware of receiving for magnetic medium mixes flocculation and precipitation which characterized in that, is including the separation tank that is used for holding magnetic mud, sets up magnetic drum and the magnetic mud import in the separation tank, the magnetic mud import sets up in one side of magnetic drum, and is less than magnetic drum, magnetic mud import include the changeover portion of fan-shaped structure and are used for connecting pipeline's input joint, the one end of changeover portion with the separation tank communicates mutually, the other end with input joint is linked together.

2. A magnetic reclaimer for magnetic media flocculation and sedimentation according to claim 1, characterized in that said transition section is vertically arranged and/or said input connection is perpendicular to said transition section.

3. A magnetic reclaimer for magnetic medium mixing flocculation and precipitation according to claim 1, further comprising a magnetic medium outlet for delivering separated magnetic medium, wherein the magnetic medium outlet is disposed at the other side of the magnetic drum and communicated with the sorting tank, and the magnetic medium outlet is of a rectangular parallelepiped structure.

4. The magnetic reclaimer for magnetic medium mixing flocculation and precipitation according to claim 1, further comprising a residual sludge outlet for conveying residual sludge, wherein the residual sludge outlet comprises an output transition section with a fan-shaped structure and an output joint, one end of the output transition section is communicated with the sorting tank, and the other end is communicated with the output joint.

5. The magnetic reclaimer for magnetic medium mixed flocculation and precipitation according to any one of claims 1 to 4, further comprising a slag discharging plate and a pre-tightening spring for pre-tightening the slag discharging plate, wherein one end of the pre-tightening spring is connected with one end of the slag discharging plate, the other end of the slag discharging plate compresses the magnetic roller, the other end of the pre-tightening spring is fixed on the inner wall of the separation tank, and the pre-tightening spring is in a stretching state.

6. The magnetic recovery device for magnetic medium mixed flocculation and precipitation according to claim 5, further comprising a beam, a first clamping plate and a second clamping plate, wherein two ends of the beam are respectively movably connected to the side wall of the separation tank, one side of the first clamping plate is fixed to one side of the beam, the slag discharging plate is installed between the first clamping plate and the second clamping plate and fixed through bolts, a support lug is arranged on the other side of the beam, and the pre-tightening spring is connected with the support lug.

7. A magnetic reclaimer for magnetic medium mixing flocculation and precipitation according to claim 5, further comprising a flushing water pipe for flushing the surface of the magnetic drum, wherein the outlet of the flushing water pipe is arranged in the separation tank and positioned at the upper part of the slag discharging plate.

8. A magnetic reclaimer for magnetic medium mixing flocculation and precipitation according to claim 5, further comprising an observation window for observing the adsorption condition of the magnetic medium during the operation of the magnetic drum, wherein the observation window is arranged on the side wall of the separation tank.

9. A magnetic reclaimer for magnetic medium mixing flocculation and precipitation according to claim 8, characterized in that a cover plate for opening/closing is provided at the observation window, said cover plate is hinged to the side wall of the sorting tank and used for closing the observation window.

10. A magnetic recovery device for magnetic medium mixing flocculation and precipitation according to claim 5, further comprising a frame for supporting the separation tank and a driving motor for driving the magnetic drum to rotate, wherein the magnetic drum is fixed on the frame through a bearing seat, the driving motor is mounted on the frame, and an output shaft of the driving motor is connected with the magnetic drum through a transmission component.

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