Magnetic separation device

Abstract

Aiming at the defect that in the prior art, part of magnetic powder is blocked by sludge, is not in contact with a magnetic roller to be adsorbed and directly falls off along with the sludge, the utility model provides a magnetic separation device, which relates to the technical field of magnetic flocculation and comprises a device main body, the device main body comprises a box body, and a mounting cavity is formed in the box body; a feeding hopper is arranged at the upper end of the box; a magnetic powder outlet is formed in the lower end of the box; a scattering assembly is arranged in the mounting cavity; the scattering assembly comprises a rotating plate arranged below the feeding hopper, and a magnetic roller is arranged between the rotating plate and the magnetic powder outlet; the rotating plate is used for patting magnetic powder to the surface of the magnetic roller, and the magnetic roller is used for conveying the magnetic powder to the magnetic powder outlet; magnetic powder sludge can be flapped to the magnetic roller at a high speed when falling, so that the sludge and magnetic powder are dispersed and laid on the surface of the magnetic roller, the contact opportunity of the magnetic powder and the magnetic roller is increased, and the effect of improving the magnetic powder recovery rate is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic flocculation, in particular to a magnetic separation device. Background Art

[0002] Magnetic flocculation technology is to add magnetic powder on the basis of traditional flocculation sedimentation and chemical precipitation. The specific gravity of magnetic powder is between 4.8 and 5.1. By adding magnetic powder, the specific gravity of the whole floc is increased. It enables efficient solid-liquid separation in the sedimentation tank. The whole process includes magnetic flocculation reaction process, magnetic precipitation separation process and magnetic separation recovery process.

[0003] The existing magnetic separation device is equipped with a rotating magnetic roller (drum) and a scraper. During separation, the broken up magnetic powder and sludge mixture is poured onto one side of the magnetic roller, and the magnetic powder is adsorbed on the surface of the magnetic roller and rotated to the other side to be scraped and collected by the scraper, while the sludge falls directly to the bottom due to gravity and is collected. However, the magnetic powder and sludge are mixed together when they fall, so some of the magnetic powder is blocked by the sludge and does not contact and adsorb the magnetic roller, but falls directly with the sludge, resulting in a low magnetic powder recovery rate. Utility Model Content

[0004] In view of the problem that some magnetic powders in the prior art are blocked by the sludge and fall directly with the sludge without contact and adsorption with the magnetic roller, resulting in a low magnetic powder recovery rate, the utility model provides a magnetic separation device. It can achieve the function of beating the magnetic powder sludge to the magnetic roller at high speed when it falls, so that the sludge and magnetic powders are dispersed and laid on the surface of the magnetic roller, increasing the contact opportunities between the magnetic powder and the magnetic roller, and achieving the effect of improving the magnetic powder recovery rate.

[0005] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0006] The magnetic separation device comprises a device body, the device body comprises a box body, a mounting cavity is arranged inside the box body; a feed hopper is arranged at the upper end of the box body, and a magnetic powder outlet is arranged at the lower end of the box body;

[0007] A scattering assembly is provided in the installation cavity; the scattering assembly includes a rotating plate arranged below the feed hopper, and a magnetic roller is provided between the rotating plate and the magnetic powder outlet; the rotating plate is used to slap the magnetic powder onto the surface of the magnetic roller, and the magnetic roller is used to transport the magnetic powder to the magnetic powder outlet.

[0008] Through the breaking up component of the utility model, the material can be beaten onto the surface of the magnetic roller, the sludge and magnetic powder can be evenly broken up and laid on the surface of the magnetic roller, the chance of the magnetic powder contacting the surface of the magnetic roller is increased, and the recovery rate of the magnetic powder is improved.

[0009] The fan blades are arranged so that the materials can be beaten when following the rotation of the roller, thereby scattering the materials on the surface of the magnetic roller.

[0010] Preferably, the rotating plate includes a roller and a fan blade, a second rotating shaft is coaxially fixed at both ends of the roller, and is connected to bearings on both sides of the box through two second rotating shafts, and an electric motor is fixed on one side of the outer side of the box, and the motor is transmission-connected to the second rotating shaft.

[0011] In the utility model, the motor is arranged so that the roller can rotate at a high speed, thereby driving the fan blades to beat at a high speed to disperse the materials more thoroughly.

[0012] Preferably, a plurality of fan blades are provided in a circular array on the circumference of the rotating roller, and permanent magnets are embedded and fixed on both sides of the fan blades.

[0013] In the utility model, the fan blades can initially absorb part of the magnetic powder by setting the electropermanent magnet, thereby increasing the contact opportunity between other magnetic powder and the magnetic roller.

[0014] Preferably, a fixed cabinet is fixed inside the box, and the fixed cabinet is located on the side of the breaking up component away from the magnetic roller. A cavity is provided inside the fixed cabinet, and the top of the cavity is an inclined surface, and the extension line of the inclined surface can intersect with the circumferential surface of the magnetic roller. A plurality of guide rollers are rotatably connected inside the cavity, and the plurality of guide rollers are arranged in parallel to each other in a rectangular array, and the array surface is parallel to the top of the fixed cabinet cavity. A telescopic opening is opened on the side of the fixed cabinet facing the magnetic roller, and a telescopic plate is provided in the fixed cabinet cavity, and two sides of the telescopic plate are respectively in contact with the guide roller and the top of the fixed cabinet cavity, and one side of the telescopic plate extends to the telescopic opening. A support seat is fixed to the bottom of the fixed cabinet cavity, and a cylinder is fixed to the support seat, and the output shaft of the cylinder is parallel to the telescopic plate and connected to the side of the telescopic plate away from the telescopic opening through the end. The length of the telescopic plate and the cylinder output shaft is greater than the distance from the telescopic opening to the surface of the magnetic roller, and the telescopic plate is completely placed in the fixed cabinet after the cylinder output shaft reaches the maximum stroke.

[0015] In the utility model, through the arrangement of the cylinder and the telescopic plate, the cylinder can drive the telescopic plate to extend out of the telescopic opening to contact the magnetic roller, thereby collecting the magnetic powder that falls off after the electropermanent magnet on the fan blade is demagnetized, and recovering it by tilting and rolling and contacting the magnetic roller.

[0016] Preferably, the device body also includes a box cover buckled at the top opening of the box body, the feed hopper is connected to the box cover, a sludge trough is fixed to the inner bottom of the box body directly below the breaking up assembly, and a sludge outlet connected to the sludge trough is provided at the bottom of the box body.

[0017] In the utility model, the feed hopper is arranged just above the rotating roller, so that the material at the feed hopper can fall onto the rotating roller, and the fan blades can beat the material onto the surface of the magnetic roller.

[0018] Preferably, a protective cylinder is fixed on the circumference of the magnetic roller, and a first rotating shaft is coaxially fixed at both ends of the magnetic roller, and is connected to bearings on both sides of the box through two first rotating shafts. A reduction motor is fixed on the outer side of the box, and the reduction motor is transmission-connected to the first rotating shaft.

[0019] In the utility model, the surface of the magnetic roller can be protected by the provision of the protection cylinder, thereby reducing the wear of the magnetic roller.

[0020] Preferably, the scraper is arranged obliquely and passes through the magnetic powder outlet, abuts against the peripheral surface of the magnetic roller through the higher side, and a mounting plate is fixed to the lower side, and the mounting plate is fixed to the box body by screws.

[0021] In the utility model, the scraper can be easily disassembled and assembled through the arrangement of the mounting plate, so that it is easy to replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the case cover in Example 1 after it is opened;

[0023] Figure 2 is a schematic diagram of the internal structure of the box in Example 1;

[0024] Figure 3 for Figure 2 An enlarged schematic diagram of point A;

[0025] Figure 4 This is a schematic diagram of the whole in Example 1. DETAILED DESCRIPTION

[0026] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.

[0027] Example 1

[0028] like Figure 1-4 As shown, this embodiment provides a magnetic separation device, which includes a device body 100, the device body 100 includes a box body 110, and a mounting cavity 150 is provided inside the box body 110; a hopper 121 is provided at the upper end of the box body 110, and a magnetic powder outlet 113 is provided at the lower end of the box body 110;

[0029] A scattering assembly 140 is provided in the installation cavity 150; the scattering assembly 140 includes a rotating plate 346 arranged below the feed hopper 121, and a magnetic roller 111 is provided between the rotating plate 346 and the magnetic powder outlet 113; the rotating plate 346 is used to shoot the magnetic powder toward the surface of the magnetic roller 111, and the magnetic roller 111 is used to transport the magnetic powder to the magnetic powder outlet 113.

[0030] Through the breaking up component 140 in this embodiment, the material can be beaten onto the surface of the magnetic roller 111, and the sludge and magnetic powder can be evenly broken up and laid on the surface of the magnetic roller 111, thereby increasing the chance of the magnetic powder contacting the surface of the magnetic roller 111 and improving the magnetic powder recovery rate.

[0031] In this embodiment, the rotating plate 346 includes a roller 343 and a fan blade 344. The two ends of the roller 343 are coaxially fixed with a second rotating shaft 341, and are connected to the bearings on both sides of the box body 110 through the two second rotating shafts 341. An electric motor 142 is fixed to one side of the outer side of the box body 110, and the motor 142 is transmission-connected to the second rotating shaft 341 mentioned above.

[0032] By setting the motor 142 in this embodiment, the roller 343 can rotate at high speed, thereby driving the fan blades 344 to beat at high speed to disperse the material more thoroughly. The rotation speed of the motor 142 needs to be tested in conjunction with the flow rate of the material fed into the hopper 121 to ensure that the material is beaten on the surface of the magnetic roller 111 rather than elsewhere.

[0033] In this embodiment, a plurality of fan blades 344 are provided in an annular array on the circumference of the rotating roller 343 , and electro-permanent magnets 345 are embedded and fixed on both sides of the fan blades 344 .

[0034] By setting the electropermanent magnet 345 in this embodiment, the fan blade 344 can initially absorb part of the magnetic powder, thereby increasing the contact opportunity between other magnetic powder and the magnetic roller 111, wherein the electropermanent magnet 345 can be set to the common battery power supply and remote control type, and the relevant module circuit is placed inside the roller 343, and the roller 343 is set to be hollow inside.

[0035] In this embodiment, a fixed cabinet 130 is fixed inside the box body 110, and the fixed cabinet 130 is located on the side of the scattering component 140 away from the magnetic roller 111. A cavity is provided inside the fixed cabinet 130, and the top of the cavity is an inclined surface, and the extension line of the inclined surface can intersect with the circumference of the magnetic roller 111. A plurality of guide rollers 232 are rotatably connected inside the cavity, and the plurality of guide rollers 232 are arranged in parallel to each other in a rectangular array, and the array surface is parallel to the top of the cavity of the fixed cabinet 130. A telescopic opening 235 is opened on the side of the fixed cabinet 130 facing the magnetic roller 111, and a telescopic plate 231 is provided in the cavity of the fixed cabinet 130. The telescopic plate 231 is arranged on the side of the fixed cabinet 130 facing the magnetic roller 111. The two sides are in contact with the guide roller 232 and the top of the fixed cabinet 130 cavity respectively. One side of the telescopic plate 231 extends to the telescopic opening 235. A support seat 233 is fixed to the bottom of the cavity of the fixed cabinet 130. A cylinder 234 is fixed to the support seat 233. The output shaft of the cylinder 234 is parallel to the telescopic plate 231 and is connected to the side of the telescopic plate 231 away from the telescopic opening 235 through the end. The length of the telescopic plate 231 and the output shaft of the cylinder 234 is greater than the distance from the telescopic opening 235 to the surface of the magnetic roller 111. After the output shaft of the cylinder 234 reaches the maximum stroke, the telescopic plate 231 is completely placed in the fixed cabinet 130.

[0036] Through the arrangement of the cylinder 234 and the telescopic plate 231 in this embodiment, the cylinder 234 can drive the telescopic plate 231 to extend out of the telescopic opening 235 and contact the magnetic roller 111, thereby collecting the magnetic powder that falls off after the electropermanent magnet 345 on the fan blade 344 is demagnetized, and recovering it by tilting and rolling and contacting the magnetic roller 111.

[0037] In this embodiment, the device body 100 also includes a box cover 120 buckled on the top opening of the box body 110, the feed hopper 121 is connected to the box cover 120, and a sludge trough 215 located directly below the breaking up component 140 is fixed to the inner bottom of the box body 110, and a sludge outlet 116 connected to the sludge trough 215 is provided at the bottom of the box body 110.

[0038] By arranging the feed hopper 121 in this embodiment to be located directly above the roller 343, the material at the feed hopper 121 can fall onto the roller 343, so that the material can be beaten onto the surface of the magnetic roller 111 by the fan blades 344. A control panel can also be arranged on the outside of the box body 110 to control the motor 142, the reduction motor 114, the cylinder 234 and the electropermanent magnet 345.

[0039] In this embodiment, a protective tube 2112 is fixedly mounted on the circumferential surface of the magnetic roller 111, and first rotating shafts 2111 are coaxially fixed at both ends of the magnetic roller 111, and are connected to bearings on both sides of the box body 110 through the two first rotating shafts 2111. A reduction motor 114 is fixed to one side of the outer side of the box body 110, and the reduction motor 114 is transmission-connected to the first rotating shaft 2111 mentioned above.

[0040] By disposing the protection cylinder 2112 in this embodiment, the surface of the magnetic roller 111 can be protected, thereby reducing the wear of the magnetic roller 111.

[0041] In this embodiment, the scraper 112 is tilted and passes through the magnetic powder outlet 113, and abuts against the circumference of the magnetic roller 111 through the higher side. A mounting plate 1121 is fixed to the lower side, and the mounting plate 1121 is fixed to the box body 110 by screws.

[0042] By providing the mounting plate 1121 in this embodiment, the scraper 112 can be easily disassembled and assembled, thereby facilitating replacement.

[0043] When the magnetic separation device of this embodiment is used, the feed hopper 121 is matched with the high-speed shearing machine in the magnetic flocculation equipment, so that the sheared material can enter from the feed hopper 121. First, the motor 142 and the reduction motor 114 are started to drive the roller 343 to rotate at a high speed and the magnetic roller 111 to rotate at a low speed. After the mixed material of sludge and magnetic powder enters the feed hopper 121, it will fall on the roller 343 of the scattering component 140. Since the roller 343 will drive the plurality of blades 344 to rotate, the plurality of blades 344 will beat the material and disperse it on the peripheral surface of the magnetic roller 111. The sludge falls into the sludge tank 215 below due to gravity, and is discharged and recycled through the sludge outlet 116. The magnetic powder is adsorbed by the magnetic roller 111 and passes through When the fan blades 344 beat the material, some magnetic powder will be initially adsorbed by the electro-permanent magnet 345. After the separation stage is completed, the cylinder 234 drives the output shaft to recover, and drives the telescopic plate 231 to extend out of the telescopic opening 235 under the guidance of the guide roller 232, and abut against the surface of the magnetic roller 111 through one side. At this time, the electro-permanent magnet 345 is demagnetized, and the rotating roller 343 continues to rotate to fall off the adsorbed magnetic powder. In the process of magnetic powder falling off, part of it falls on the extended telescopic plate 231, slides from the inclined surface of the telescopic plate 231 to the surface of the magnetic roller 111 and is adsorbed by the magnetic roller 111, and the rest of the magnetic powder will be directly thrown on the magnetic roller 111.

[0044] In short, the above is only a preferred embodiment of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model should fall within the scope of the present utility model patent.

Claims

1. A magnetic separation device, characterized in that: The device comprises a device body (100), wherein the device body (100) comprises a box body (110), wherein a mounting cavity (150) is provided inside the box body (110); a material feeding hopper (121) is provided at the upper end of the box body (110), and a magnetic powder outlet (113) is provided at the lower end of the box body (110); A scattering assembly (140) is provided in the installation cavity (150); the scattering assembly (140) comprises a rotating plate (346) arranged below the feed hopper (121), and a magnetic roller (111) is provided between the rotating plate (346) and the magnetic powder outlet (113); the rotating plate (346) is used to slap the magnetic powder onto the surface of the magnetic roller (111), and the magnetic roller (111) is used to transport the magnetic powder to the magnetic powder outlet (113).

2. The magnetic separation device according to claim 1, characterized in that: The rotating plate (346) comprises a rotating roller (343) and a fan blade (344); a second rotating shaft (341) is coaxially fixed at both ends of the rotating roller (343), and the rotating plate (346) is connected to bearings on both sides of the housing (110) via the two second rotating shafts (341); a motor (142) is fixed to one side of the exterior of the housing (110), and the motor (142) is drivingly connected to one of the second rotating shafts (341).

3. The magnetic separation device according to claim 1, characterized in that: A plurality of fan blades (344) are provided in an annular array on the circumference of the rotating roller (343), and electro-permanent magnets (345) are embedded and fixed on both sides of the fan blades (344).

4. The magnetic separation device according to claim 1, characterized in that: A fixed cabinet (130) is fixed inside the box body (110). The fixed cabinet (130) is located on a side of the scattering assembly (140) away from the magnetic roller (111). A cavity is provided inside the fixed cabinet (130). The top of the cavity is an inclined surface, and the extension line of the inclined surface can intersect with the circumferential surface of the magnetic roller (111). A plurality of guide rollers (232) are rotatably connected inside the cavity. The plurality of guide rollers (232) are arranged in parallel to each other in a rectangular array, and the array surface is parallel to the top of the cavity of the fixed cabinet (130). A telescopic opening (235) is provided on a side of the fixed cabinet (130) facing the magnetic roller (111). A telescopic plate (231) is provided in the cavity of the fixed cabinet (130). The two sides of the telescopic plate (231) are respectively connected to the guide rollers (232). The roller (232) contacts the top of the cavity of the fixed cabinet (130), one side of the telescopic plate (231) extends to the telescopic opening (235), a support seat (233) is fixed to the bottom of the cavity of the fixed cabinet (130), a cylinder (234) is fixed to the support seat (233), an output shaft of the cylinder (234) is parallel to the telescopic plate (231), and is connected to a side of the telescopic plate (231) away from the telescopic opening (235) through an end portion, the length of the telescopic plate (231) and the output shaft of the cylinder (234) is greater than the distance from the telescopic opening (235) to the surface of the magnetic roller (111), and the telescopic plate (231) is completely placed in the fixed cabinet (130) after the output shaft of the cylinder (234) reaches the maximum stroke.

5. The magnetic separation device according to claim 1, characterized in that: The device body (100) further comprises a box cover (120) buckled at the top opening of the box body (110); the feed hopper (121) is connected to the box cover (120); a sludge trough (215) located directly below the breaking up assembly (140) is fixed to the inner bottom of the box body (110); and a sludge outlet (116) connected to the sludge trough (215) is provided at the bottom of the box body (110).

6. The magnetic separation device according to claim 1, characterized in that: A protective tube (2112) is fixedly sleeved on the circumference of the magnetic roller (111), first rotating shafts (2111) are coaxially fixedly provided at both ends of the magnetic roller (111), and are connected to bearings on both sides of the box body (110) via the two first rotating shafts (2111), and a reduction motor (114) is fixedly provided on one side of the exterior of the box body (110), and the reduction motor (114) is drivingly connected to the first rotating shaft (2111) at one location.

7. The magnetic separation device according to claim 1, characterized in that: The scraper (112) is arranged obliquely and passes through the magnetic powder outlet (113), abutting against the peripheral surface of the magnetic roller (111) through a higher side, and a mounting plate (1121) is fixed to the lower side, and the mounting plate (1121) is fixed to the box body (110) through screws.

Images