Secondary magnetic powder recovery device

Abstract

The utility model relates to a secondary magnetic powder recovery device which comprises a shell, a blocking assembly and a magnetic attraction assembly, the shell is provided with a fluid inlet and a fluid outlet which are arranged in a separated mode, the blocking assembly comprises a plurality of spacer bushes, the spacer bushes are located in the shell and arranged between the fluid inlet and the fluid outlet, and the magnetic attraction assembly is arranged between the fluid inlet and the fluid outlet. The magnetic attraction assembly comprises a plurality of magnetic bars, the number of the magnetic bars is the same as that of the spacer bushes, the magnetic bars are arranged in the spacer bushes, and the magnetic bars and the spacer bushes are arranged in a one-to-one correspondence mode. The device can be matched with a primary magnetic powder recovery device, magnetic powder in sewage is further recovered, and magnetic powder collection is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sewage treatment, concretely relates to a two-stage magnetic powder recovery device. BACKGROUND

[0002] The magnetic separation system is an important component of the magnetic coagulation system of the sewage treatment plant. The magnetic separation system can realize the process of efficiently recovering iron powder and purifying water quality. Most of the magnetic separation systems on the market only have one-stage recovery device, lack two-stage or multi-stage treatment, thereby leading to low overall recovery rate, waste of magnetic powder, and too much magnetic powder flowing to the subsequent process section, resulting in high failure rate of subsequent process equipment or unsatisfactory treatment effect, so it is necessary to increase two-stage or even multi-stage magnetic powder recovery device. SUMMARY

[0003] In view of the defects of the prior art, the utility model discloses a two-stage magnetic powder recovery device, which can cooperate with a one-stage magnetic powder recovery device to further recover magnetic powder in sewage and facilitate magnetic powder collection.

[0004] To achieve the purpose of the utility model, the utility model provides a two-stage magnetic powder recovery device, which comprises a shell, a blocking component and a magnetic attraction component, the shell has a fluid inlet and a fluid outlet arranged separately, the blocking component comprises a plurality of sleeves, the sleeve is located in the shell and is arranged between the fluid inlet and the fluid outlet, the magnetic attraction component comprises a plurality of magnetic rods, the number of the magnetic rods is the same as that of the sleeves, the magnetic rod is arranged in the sleeve, and the magnetic rod is arranged in one-to-one correspondence with the sleeve.

[0005] In some embodiments of the utility model, the shell has a mounting port, the blocking component comprises a mounting plate, a plurality of sleeves are connected to the mounting plate, and the mounting plate is matched with the mounting port.

[0006] In some embodiments of the utility model, the mounting plate is provided with a through hole leading into the sleeve, and the diameter of the through hole is greater than that of the magnetic rod.

[0007] In some embodiments of the utility model, the magnetic attraction component comprises a connecting plate, a plurality of magnetic rods are connected to the connecting plate, the connecting plate is arranged on the side of the mounting plate away from the sleeve, and the magnetic rod extends into the sleeve.

[0008] In some embodiments of the utility model, the magnetic attraction component comprises a first handle arranged on the connecting plate, the blocking component comprises a second handle arranged on the mounting plate, and the first handle and the second handle are arranged staggeredly.

[0009] In some embodiments of the utility model, the secondary magnetic powder recovery device further includes a sealing gasket and a first fastener, the sealing gasket is arranged between the mounting plate and the shell, and the first fastener detachably connects the mounting plate and the shell.

[0010] In some embodiments of the utility model, the barrier assembly includes a second fastener, and the second fastener detachably connects the mounting plate and the connecting plate.

[0011] In some embodiments of the utility model, the barrier assembly further includes a support frame, the support frame is located in the shell, the support frame is connected with a plurality of the spacer sleeves, and the support frame is hollow.

[0012] In some embodiments of the utility model, the magnetic rod is made of neodymium iron boron, and the spacer sleeve is made of a magnetic conductive material.

[0013] In some embodiments of the utility model, the shell further includes a flow guide plate, the flow guide plate is arranged beside the fluid inlet and / or the fluid outlet and extends towards the spacer sleeve.

[0014] In some embodiments of the utility model, the spacer sleeve is seven, one of the spacer sleeves is located in the middle, and the remaining six spacer sleeves are uniformly arranged around the spacer sleeve located in the middle.

[0015] In some embodiments of the utility model, the fluid inlet and the fluid outlet are arranged at opposite ends of the shell.

[0016] In some embodiments of the utility model, the spacer sleeve is arranged vertically.

[0017] In some embodiments of the utility model, the shell is further provided with an emptying pipeline.

[0018] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0019] The secondary magnetic powder recovery device of the utility model recovers the magnetic powder in the fluid flowing through the shell by using a plurality of magnetic rods and the spacer sleeves sleeved outside the magnetic rods, can effectively adsorb and recover a small amount of magnetic powder remaining in the sewage after passing through the primary magnetic powder recovery device, adsorbs the magnetic powder on the spacer sleeve instead of the magnetic rod, and when the magnetic rod is separated from the spacer sleeve, the magnetic powder can easily fall off the spacer sleeve due to the non-magnetic property of the spacer sleeve, so that the magnetic powder is easy to collect. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is the front view structural schematic diagram of the secondary magnetic powder recovery device embodiment of the utility model.

[0021] Fig. 2 is a top view structural schematic diagram of a two-stage magnetic powder recycling device embodiment of the utility model.

[0022] Fig. 3 is a structural schematic diagram of a shell in a two-stage magnetic powder recycling device embodiment of the utility model.

[0023] Fig. 4 is a structural schematic diagram of a magnetic attraction assembly in a two-stage magnetic powder recycling device embodiment of the utility model.

[0024] Fig. 5 is a structural schematic diagram of a blocking assembly in a two-stage magnetic powder recycling device embodiment of the utility model.

[0025] In the figure, 10-shell, 11-fluid inlet, 12-fluid outlet, 13-mounting port, 14-sealing gasket, 15-first fastener, 16-support frame, 17-flow guide plate, 18-evacuation pipeline, 20-blocking assembly, 21-separation sleeve, 22-mounting plate, 23-through hole, 24-second handle, 25-second fastener, 30-magnetic attraction assembly, 31-magnetic rod, 32-connection plate, 33-first handle.

[0026] The utility model will be further explained in detail in combination with the drawings and specific embodiments. Specific embodiments

[0027] As Figs. 1 to 5 shown, the embodiment of the utility model provides a two-stage magnetic powder recycling device, which can be part of a magnetic separation equipment in a sedimentation tank magnetic coagulation system, is installed on a water outlet pipeline of a first drum-type magnetic separation recycling device, and is applied to the technical field of resources and environment. The recovery rate of a conventional first drum-type magnetic separation device is generally 98% to 99%, and the remaining 1% to 2% of magnetic powder flows to the subsequent treatment process section through the water outlet of the first magnetic separation, which not only causes waste of the magnetic powder, but also increases the failure rate of the subsequent treatment equipment due to the magnetic powder in the water body, so it is necessary to increase the two-stage magnetic powder recycling device. The two-stage magnetic powder recycling device of the embodiment can be installed on the pipeline, and the number can be one or more, and is connected in series to the existing or new sedimentation tank magnetic coagulation system pipeline, so that the overall magnetic powder recovery rate approaches 100%. Of course, the two-stage magnetic powder recycling device of the embodiment can also be used in other scenes requiring separation of magnetic substances.

[0028] Specifically, the two-stage magnetic powder recycling device comprises a shell 10, a blocking assembly 20 and a magnetic attraction assembly 30.

[0029] The shell 10 can be made of steel and can be cylindrical. The shell 10 has a fluid inlet 11 and a fluid outlet 12, through which fluid, such as sewage to be treated, enters the shell 10 and flows out of the shell 10 after being treated by magnetic powder separation. The fluid inlet 11 and the fluid outlet 12 can be flanged to facilitate connection of the secondary magnetic powder recovery device to the pipeline of the magnetic separation equipment.

[0030] The barrier assembly 20 includes a plurality of sleeves 21, each of which has a receiving space. The sleeves 21 are located in the shell 10 and are arranged between the fluid inlet 11 and the fluid outlet 12, and can be in contact with the fluid entering the shell 10. The sleeves 21 can have a smooth surface.

[0031] The magnetic assembly 30 includes a plurality of magnetic rods 31, which can provide a larger magnetic field that can cover the entire water body, facilitating magnetic powder recovery. The number of magnetic rods 31 is the same as the number of sleeves 21. The magnetic rods 31 are arranged in the sleeves 21, and the magnetic rods 31 are arranged one-to-one with the sleeves 21, so that the magnetic rods 31 are not directly in contact with the sewage, and the magnetic rods 31 do not directly attract the magnetic powder, avoiding difficult discharge of the magnetic powder and affecting the service life of the magnetic rods 31.

[0032] When the secondary magnetic powder recovery device of the present embodiment is used for magnetic powder recovery, sewage containing magnetic powder, such as sewage containing a small amount of magnetic powder treated by the primary magnetic powder recovery device, enters the shell 10 through the fluid inlet 11. The magnetic rods 31 in the shell 10 provide a magnetic force that passes through the sleeves 21 to exert a magnetic attraction, so that the magnetic powder in the sewage is attracted to the sleeves 21, and the treated fluid flows out of the fluid outlet 12, thereby improving the magnetic powder recovery rate of the entire magnetic separation system. When it is necessary to clean the magnetic powder, the magnetic rods 31 are removed from the sleeves 21, so that the magnetic powder on the sleeves 21 is separated from the magnetic field and naturally falls off, facilitating cleaning and collection of the magnetic powder, improving cleaning speed and efficiency, and reducing labor intensity.

[0033] In some examples, the shell 10 has a mounting port 13 that is separate from the fluid inlet 11 and the fluid outlet 12. The mounting port 13 can be flanged to facilitate mounting of other components. The barrier assembly 20 includes a mounting plate 22 to which the sleeves 21 are connected, facilitating integration of the sleeves 21. The mounting plate 22 cooperates with the mounting port 13 to facilitate installation and removal of the sleeves 21.

[0034] In some examples, the mounting plate 22 is provided with through holes 23 that lead to the sleeves 21. The diameter of the through holes 23 is greater than the diameter of the magnetic rods 31, facilitating insertion of the magnetic rods 31 into the sleeves 21 through the through holes 23 on the outside of the mounting plate 22, and facilitating installation of the magnetic rods 31.

[0035] In some examples, the magnetic assembly 30 comprises a connecting plate 32, and a plurality of magnetic rods 31 are connected to the connecting plate 32 so that the magnetic rods 31 are connected as a whole. The connecting plate 32 is arranged on the side of the mounting plate 22 away from the spacer sleeves 21, and the magnetic rods 31 extend into the spacer sleeves 21, facilitating simultaneous installation and disassembly of the plurality of magnetic rods 31 on the outside of the mounting plate 22. One end of the magnetic rod 31 can be provided with an internal threaded hole, and the magnetic rod 31 can be fixed on the connecting plate 32 by a bolt.

[0036] In some examples, the magnetic assembly 30 comprises a first handle 33 arranged on the connecting plate 32, and the blocking assembly 20 comprises a second handle 24 arranged on the mounting plate 22. The first handle 33 and the second handle 24 are arranged staggered, for example, the first handle 33 can be arranged in the middle of the connecting plate 32, and the second handle 24 can be arranged at both ends of the mounting plate 22, avoiding interference between the two. The blocking assembly 20 and the magnetic assembly 30 can be quickly lifted and disassembled from the shell 10 through the second handle 24, and then the magnetic assembly 30 can be quickly lifted and disassembled from the blocking assembly 20 through the first handle 33, facilitating the cleaning of the magnetic powder and the movement and installation of the components.

[0037] In some examples, the secondary magnetic powder recovery device further comprises a sealing gasket 14 and a first fastener 15. The sealing gasket 14 is arranged between the mounting plate 22 and the shell 10 to play a sealing role and prevent fluid from leaking out. The sealing gasket 14 can be a sealing ring, and the shell 10 can be provided with a sealing groove around the mounting port 13. The sealing ring is installed in the sealing groove and in contact with the mounting plate 22 to play a sealing role. The first fastener 15 is detachably connected to the mounting plate 22 and the shell 10. The first fastener 15, for example, can be a loose joint bolt. By tightening or loosening the first fastener 15, the mounting plate 22 can be disassembled from the shell 10 or installed on the shell 10, achieving quick assembly and disassembly.

[0038] In some examples, the blocking assembly 20 comprises a second fastener 25, which is detachably connected to the mounting plate 22 and the connecting plate 32. The second fastener 25 can be arranged on the mounting plate 22 and buckled to the connecting plate 32. The second fastener 25, for example, can be a vertical pressing device. Loosening the second fastener 25 can take out the magnetic assembly 30 from the blocking assembly 20, achieving quick assembly and disassembly.

[0039] In some examples, the blocking assembly 20 further comprises a support frame 16 located in the shell 10. The support frame 16 is connected to a plurality of spacer sleeves 21 and is used to maintain the distance between the spacer sleeves 21, avoiding deformation and movement of the spacer sleeves 21 under the impact of the fluid. The support frame 16 can be arranged at the end of the spacer sleeve 21. The support frame 16 is hollow, allowing the fluid to pass through and avoiding causing flow resistance.

[0040] In some examples, the magnetic rod 31 is neodymium iron boron, which has high magnetic force.

[0041] In some examples, the spacer sleeves 21 are made of magnetic conductive material, which does not weaken the magnetic field formed by the magnetic bar 31. The magnetic conductive material may, for example, be iron, cobalt, etc.

[0042] In some examples, the shell 10 further comprises a flow guide plate 17, which is arranged beside the fluid inlet 11 and / or the fluid outlet 12 and extends to the spacer sleeves 21. The flow guide plate 17 can concentrate the fluid to pass through the magnetic field area, thereby improving the magnetic attraction effect.

[0043] In some examples, the spacer sleeves 21 are seven, one of which is located in the middle, and the remaining six are evenly arranged around the middle one, so that the magnetic field is uniformly distributed, which is conducive to magnetic attraction.

[0044] In some examples, the fluid inlet 11 and the fluid outlet 12 are respectively arranged at opposite ends of the shell 10, so that the fluid can flow smoothly in the shell 10 and pass through the magnetic field.

[0045] In some examples, the spacer sleeves 21 are vertically arranged, which facilitates the spacer sleeves 21 to keep vertical under the action of gravity, and is also conducive to the uniform adsorption of the magnetic powder on the outer surface of the spacer sleeves 21.

[0046] In some examples, the lower end of the shell 10 is further provided with a vent line 18 for discharging the fluid accumulated at the lower end of the shell 10 and unable to flow out of the fluid outlet 12.

[0047] Finally, it should be emphasized that the above description is only the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A secondary magnetic powder recovery device, characterized in that It includes a shell, a barrier component and a magnetic attraction component, the shell has a fluid inlet and a fluid outlet that are separately arranged, the barrier component includes a plurality of spacers, the spacers are located in the shell and are arranged between the fluid inlet and the fluid outlet, the magnetic attraction component includes a plurality of magnetic rods, the number of the magnetic rods is the same as the number of the spacers, the magnetic rods are arranged in the spacers, and the magnetic rods and the spacers are arranged in a one-to-one correspondence.

2. A secondary magnetic powder recovery device according to claim 1, characterized in that The shell has a mounting opening, the blocking assembly includes a mounting plate, a plurality of the spacers are connected to the mounting plate, and the mounting plate is matched with the mounting opening.

3. A secondary magnetic powder recovery device according to claim 2, characterized in that The mounting plate is provided with a through hole leading to the spacer sleeve, and the diameter of the through hole is larger than the diameter of the magnetic bar.

4. A secondary magnetic powder recovery device according to claim 3, characterized in that The magnetic attraction assembly includes a connecting plate, and a plurality of magnetic bars are connected to the connecting plate. The connecting plate is arranged on a side of the mounting plate away from the spacer, and the magnetic bars extend into the spacer.

5. A secondary magnetic powder recovery device according to claim 4, characterized in that The magnetic attraction component includes a first handle provided on the connecting plate, and the blocking component includes a second handle provided on the mounting plate, and the first handle and the second handle are staggered.

6. A secondary magnetic powder recovery device according to claim 4, characterized in that Also included is a sealing gasket and a first fastener, wherein the sealing gasket is disposed between the mounting plate and the housing, and the first fastener is detachably connected to the mounting plate and the housing; The barrier assembly includes a second fastener that detachably connects the mounting plate and the connecting plate.

7. A secondary magnetic powder recovery device according to any one of claims 1 to 6, characterized in that The barrier assembly further includes a support frame, which is located in the shell and connects a plurality of the spacers. The support frame is hollow.

8. A secondary magnetic powder recovery device according to any one of claims 1 to 6, characterized in that The magnetic rod is made of neodymium iron boron, and the spacer is made of magnetic conductive material.

9. A secondary magnetic powder recovery device according to any one of claims 1 to 6, characterized in that The housing further includes a guide plate, which is disposed beside the fluid inlet and / or the fluid outlet and extends toward the spacer.

10. A secondary magnetic powder recovery device according to any one of claims 1 to 6, characterized in that There are seven spacers, one of which is located in the middle, and the remaining six spacers are evenly arranged around the spacer located in the middle; The fluid inlet and the fluid outlet are respectively provided at two opposite ends of the shell; The spacer is arranged vertically; The lower end of the shell is also provided with an exhaust pipeline.

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