CN216236535U - Integrated superconducting steel rolling wastewater treatment equipment - Google Patents
Integrated superconducting steel rolling wastewater treatment equipment Download PDFInfo
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- CN216236535U CN216236535U CN202122994623.3U CN202122994623U CN216236535U CN 216236535 U CN216236535 U CN 216236535U CN 202122994623 U CN202122994623 U CN 202122994623U CN 216236535 U CN216236535 U CN 216236535U
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Abstract
The utility model relates to an integrated superconducting steel rolling wastewater treatment device, which comprises: the flocculation system is used for introducing steel rolling wastewater containing iron oxide and adding a flocculating agent and magnetic seeds into the steel rolling wastewater to form magnetic seed floccules in the steel rolling wastewater; the superconducting separation system is used for introducing the steel rolling wastewater into the flocculation system and separating the magnetic seed floccules from the steel rolling wastewater through a high-gradient magnetic field; and the magnetic recovery system is used for introducing the magnetic seed floccules separated by the superconducting separation system and recovering the magnetic seeds and the iron oxide in the magnetic seed floccules. According to the utility model, the flocculating agent and the magnetic seeds are added into the steel rolling wastewater through the flocculation system, so that the floccule with the magnetic seeds is formed in the wastewater, the floccule with the magnetic seeds is separated from the wastewater through the superconducting separation system, and finally the magnetic seeds are recovered through the magnetic recovery system, and meanwhile, the iron oxide in the steel rolling wastewater is recovered, so that the recovery rate of the iron oxide is improved, and the waste of resources is avoided.
Description
Technical Field
The utility model belongs to the field of magnetic separation, and particularly relates to an integrated superconducting steel rolling wastewater treatment device.
Background
In the production process of steel rolling, a large amount of waste water is generated, and the waste water mainly contains iron scales generated on the surface of rolled steel, oil substances on mechanical equipment, solid impurities and other wastes, sludge and the like. If the waste water is directly discharged, the environment is polluted, and water resources are seriously wasted, so that each steel rolling mill takes certain measures to recycle water according to the condition of the steel rolling mill.
For example, chinese patent CN206204108U discloses a steel rolling wastewater treatment system, including the activation pond, the exit linkage in activation pond has the anaerobic reaction pond, and the exit linkage in anaerobic reaction pond has the flocculation basin, and the exit linkage in flocculation basin has the sedimentation tank, and the water exit linkage in sedimentation tank has the aerobic reaction pond, and the bottom of sedimentation tank is connected with air-dries platform, and air-dries platform is connected with the acidolysis pond, and the exit linkage in aerobic reaction pond has the disinfection pond.
However, the main pollutants of the steel rolling wastewater are a large amount of iron scales and lubricating oils with different particle sizes, and the treatment system of the steel rolling wastewater cannot realize the recovery of iron oxides in the steel rolling wastewater, thereby causing the waste of resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an integrated superconducting steel rolling wastewater treatment device to solve the defect that iron oxide cannot be recovered in the steel rolling wastewater treatment process at present.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to an integrated superconducting steel rolling wastewater treatment device, which comprises:
the flocculation system is used for introducing steel rolling wastewater containing iron oxide and adding a flocculating agent and magnetic seeds into the steel rolling wastewater to form magnetic seed floccules in the steel rolling wastewater;
the superconducting separation system is used for introducing the steel rolling wastewater into the flocculation system and separating the magnetic seed floccules from the steel rolling wastewater through a high-gradient magnetic field;
and the magnetic recovery system is used for introducing the magnetic seed floccules separated by the superconducting separation system and recovering the magnetic seeds and the iron oxide in the magnetic seed floccules.
Preferably, the flocculation system comprises:
the PAC dosing device is used for adding a PAC flocculating agent into the steel rolling wastewater and introducing the steel rolling wastewater into the PAM dosing device;
the PAM dosing device is used for adding PAM coagulant aid into the steel rolling wastewater and introducing the steel rolling wastewater into the magnetic seed dosing device;
and the magnetic seed dosing device is used for adding magnetic seeds into the steel rolling wastewater so as to form magnetic seed floccules in the steel rolling wastewater.
Preferably, the PAC dosing device includes a PAC dosing tank and a PAC dosing tank mixer, the PAC dosing tank is provided with an electromagnetic valve for controlling the introduction of the steel rolling wastewater and a PAC dosing pump for adding a PAC flocculant to the PAC dosing tank, and the PAC dosing tank mixer is arranged inside the PAC dosing tank.
4. The integrated superconducting steel rolling wastewater treatment equipment according to claim 3, wherein: PAM charge device include PAM dosing tank and PAM dosing tank mixer, be equipped with PAM dosing pump and the automatic machine of throwing of PAM that is used for adding the PAM coagulant aid to PAM dosing tank on the PAM dosing tank, PAM dosing tank mixer set up the inside at PAM dosing tank.
Preferably, the magnetic seed dosing device comprises a magnetic seed dosing tank and a magnetic seed dosing tank stirrer, wherein a magnetic seed dosing pump for adding magnetic seeds to the magnetic seed dosing tank is arranged on the magnetic seed dosing tank, and the magnetic seed dosing tank stirrer is arranged inside the magnetic seed dosing tank.
Preferably, the superconducting separation system comprises a water pipe, a driving motor, a superconducting coil, a chain and a flushing tank, the chain is connected end to form an annular structure, the chain penetrates through the water pipe and the flushing tank, the chain is tensioned through the driving motor and a plurality of rollers, a screen is arranged on the chain, the superconducting coil is fixed outside the water pipe and used for magnetizing the screen, a refrigerating machine used for cooling is further arranged on the superconducting coil, and the refrigerating machine is used for cooling the superconducting coil.
Preferably, the magnetic recovery system comprises:
the screw pump is used for conveying the magnetic seed floccules separated by the superconducting separation system to the high-shear homogenizer;
the high-shear homogenizer is used for cutting the floccules with the magnetic seeds and conveying the cut mixture to the magnetic recycling machine;
and the magnetic recycling machine is used for separating the magnetic seeds and the iron oxides in the mixture.
Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:
the utility model relates to an integrated superconducting steel rolling wastewater treatment device which comprises a flocculation system, a superconducting separation system and a magnetic recovery system, wherein the flocculation system adds a flocculating agent and magnetic seeds into steel rolling wastewater to form flocs with the magnetic seeds in the wastewater, the flocs with the magnetic seeds are separated from the wastewater through the superconducting separation system, and finally the magnetic seeds are recovered through the magnetic recovery system, and meanwhile, iron oxide in the steel rolling wastewater is recovered, so that the recovery rate of the iron oxide is improved, and the waste of resources is avoided.
Drawings
FIG. 1 is a schematic structural view of an integrated superconducting steel rolling wastewater treatment facility according to the present invention;
FIG. 2 is a detailed view of the construction of the superconducting separation system;
FIG. 3 is a detailed view of the structure of the high shear homogenizer;
fig. 4 is a detailed structure diagram of the magnetic recovery machine.
Wherein: 1-PAC dosing device, 11-PAC dosing tank, 12-PAC dosing tank stirrer, 13-electromagnetic valve, 14-PAC dosing pump, 2-PAM dosing device, 21-PAM dosing tank, 22-PAM dosing tank stirrer, 23-PAM dosing pump, 24-PAM automatic dosing machine, 3-magnetic seed dosing device, 31-magnetic seed dosing tank, 32-magnetic seed dosing tank stirrer, 33-magnetic seed dosing pump, 4-superconducting separation system, 41-water pipe, 42-driving motor, 43-superconducting coil, 44-chain, 45-flushing tank, 46-screen, 47-refrigerator, 5-screw pump, 6-high-shear homogenizer, 61-sludge inlet, 62-stirring paddle, 63-sludge outlet, 64-shaft, 65-coupling, 66-mechanical seal, 67-oil seal, 7-magnetic recovery machine, 71-sorting box, 72-magnetic seed recovery motor, 73-permanent magnetic cylinder, 74-scraper.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Referring to the attached figure 1, the integrated superconducting steel rolling wastewater treatment equipment comprises a flocculation system, a superconducting separation system and a magnetic recovery system.
The flocculation system is used for introducing steel rolling wastewater containing iron oxides, and adding a flocculating agent and magnetic seeds into the steel rolling wastewater to form magnetic seed floccules in the steel rolling wastewater. The flocculation system comprises a PAC dosing device 1, a PAM dosing device 2 and a magnetic seed dosing device 3. The PAC dosing device 1 is used for adding a PAC flocculating agent into steel rolling wastewater and comprises a PAC dosing tank 11 and a PAC dosing tank stirrer 12, wherein the PAC dosing tank 11 is provided with an electromagnetic valve 13 for controlling the introduction of the steel rolling wastewater and a PAC dosing pump 14 for adding the PAC flocculating agent into the PAC dosing tank 11, and the PAC dosing tank stirrer 12 is arranged inside the PAC dosing tank 11 and is used for stirring the steel rolling wastewater added with the PAC flocculating agent; the PAM dosing device 2 is used for adding PAM coagulant aids into steel rolling wastewater and comprises a PAM dosing box 21 and a PAM dosing box stirrer 22, the PAM dosing box 21 is provided with a PAM dosing pump 23 and a PAM automatic dosing machine 24, the PAM dosing pump 23 and the PAM automatic dosing machine are used for adding the PAM coagulant aids into the PAM dosing box 21, a user can open the PAM dosing pump 23 through a control cabinet to add the PAM coagulant aids into the PAM dosing box 21 and can also add the PAM coagulant aids into the PAM dosing box 21 through the PAM automatic dosing machine 24 at a certain speed, and the PAM dosing box stirrer 22 is arranged inside the PAM dosing box 21 and stirs the steel rolling wastewater with the PAM coagulant aids; the magnetic seed dosing device 3 is used for adding magnetic seeds into steel rolling wastewater and comprises a magnetic seed dosing box 31 and a magnetic seed dosing box stirrer 32, wherein a magnetic seed dosing pump 33 used for adding magnetic seeds into the magnetic seed dosing box 31 is arranged on the magnetic seed dosing box 31, and the magnetic seed dosing box stirrer 32 is arranged inside the magnetic seed dosing box and used for stirring the steel rolling wastewater added with the magnetic seeds.
The superconducting separation system 4 is used for introducing steel rolling wastewater into the flocculation system and separating the magnetic seed floccules from the steel rolling wastewater through a high gradient magnetic field. Referring to fig. 2, the superconducting separation system 4 includes a water pipe 41, a driving motor 42, a superconducting coil 43, a chain 44 and a flushing tank 45, the chain 44 is connected end to form an annular structure, the chain 44 passes through the water pipe 41 and the flushing tank 45, the chain 44 is tensioned by the driving motor 42 and a plurality of rollers, a screen 46 is arranged on the chain 44, the superconducting coil 43 is fixed outside the water pipe 41 and is used for magnetizing the screen 46, then magnetic floccules are removed by a high gradient magnetic field to form clear liquid and sludge with magnetic seeds, the sludge with magnetic seeds is washed at high pressure by the flushing tank 45, the sludge with magnetic seeds is washed down from the screen 46, and a refrigerator 47 for cooling the superconducting coil 43 is further arranged.
The magnetic recovery system is used for introducing magnetic seed floccules separated by the superconducting separation system and recovering magnetic seeds and iron oxide in the magnetic seed floccules, and comprises a screw pump 5, a high-shear homogenizer 6 and a magnetic recovery machine 7; the screw pump 5 is used for conveying the magnetic seed floccules separated by the superconducting separation system to the high-shear homogenizer 6, the high-shear homogenizer 6 is used for cutting the magnetic seed floccules and conveying the cut mixture to the magnetic recycling machine 7, the structure of the high-shear homogenizer 6 is shown in fig. 3 and comprises a sludge inlet 61, a stirring paddle 62, a sludge outlet 63, a shaft 64, a coupling 65, a mechanical seal 66 and an oil seal 67, the sludge enters from the sludge inlet 61 and is conveyed to the magnetic seed recycling machine from the sludge outlet 63 after being acted by the stirring paddle 62, and the shaft 64 is connected with a motor through the coupling 65 so as to realize rotation; the mechanical seal 66 and the oil seal 67 are used for sealing the lower part of the high-shear homogenizer; the magnetic recycling machine 7 is used for separating magnetic seeds and iron oxides from a mixture, the structure of the magnetic recycling machine 7 is shown in fig. 4 and comprises a sorting box 71, a magnetic seed recycling motor 72, a permanent magnet cylinder 73 and a scraper 74, magnetic sludge enters the sorting box 71, the magnetic seed recycling motor 72 drives the permanent magnet cylinder 73 to rotate, the magnetic seeds and the iron oxides are adsorbed by the permanent magnet cylinder 73, other particles are not adsorbed by the permanent magnet cylinder 73, the magnetic seeds and the iron oxides adsorbed by the permanent magnet cylinder 73 are scraped off by the scraper 74, and the rest particles are retained in the machine body of the magnetic recycling machine 7.
The working principle of the integrated superconducting steel rolling wastewater treatment equipment is as follows: pollutants in the steel rolling wastewater to be treated are combined with magnetic seeds through the flocculation of a PAC flocculant (polyaluminium chloride) and a PAM coagulant aid (polyacrylamide) to form magnetic floccules, the magnetic floccules are separated when flowing through a superconducting separation system 4, the magnetic floccules are conveyed to a high-shear homogenizer 6 through a screw pump 5 to be crushed, and then the magnetic seeds pass through a magnetic recycling machine 7, so that the recycling of the magnetic seeds and iron oxide is realized, and the addition amount of the magnetic seeds is reduced. Discharging the residual particles into a sludge pool, lifting the sludge pool to a sludge dewatering machine for dewatering, and transporting the mud cakes outwards.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. An integrated superconducting steel rolling wastewater treatment equipment is characterized in that: it includes:
the flocculation system is used for introducing steel rolling wastewater containing iron oxide and adding a flocculating agent and magnetic seeds into the steel rolling wastewater to form magnetic seed floccules in the steel rolling wastewater;
the superconducting separation system is used for introducing the steel rolling wastewater into the flocculation system and separating the magnetic seed floccules from the steel rolling wastewater through a high-gradient magnetic field;
and the magnetic recovery system is used for introducing the magnetic seed floccules separated by the superconducting separation system and recovering the magnetic seeds and the iron oxide in the magnetic seed floccules.
2. The integrated superconducting steel rolling wastewater treatment equipment according to claim 1, wherein: the flocculation system comprises:
the PAC dosing device is used for adding a PAC flocculating agent into the steel rolling wastewater and introducing the steel rolling wastewater into the PAM dosing device;
the PAM dosing device is used for adding PAM coagulant aid into the steel rolling wastewater and introducing the steel rolling wastewater into the magnetic seed dosing device;
and the magnetic seed dosing device is used for adding magnetic seeds into the steel rolling wastewater so as to form magnetic seed floccules in the steel rolling wastewater.
3. The integrated superconducting steel rolling wastewater treatment equipment according to claim 2, wherein: the PAC dosing device comprises a PAC dosing tank and a PAC dosing tank stirrer, wherein the PAC dosing tank is provided with an electromagnetic valve for controlling the introduction of the steel rolling wastewater and a PAC dosing pump for adding a PAC flocculating agent into the PAC dosing tank, and the PAC dosing tank stirrer is arranged inside the PAC dosing tank.
4. The integrated superconducting steel rolling wastewater treatment equipment according to claim 3, wherein: PAM charge device include PAM dosing tank and PAM dosing tank mixer, be equipped with PAM dosing pump and the automatic machine of throwing of PAM that is used for adding the PAM coagulant aid to PAM dosing tank on the PAM dosing tank, PAM dosing tank mixer set up the inside at PAM dosing tank.
5. The integrated superconducting steel rolling wastewater treatment equipment according to claim 4, wherein: the magnetic seed dosing device comprises a magnetic seed dosing box and a magnetic seed dosing box stirrer, a magnetic seed dosing pump used for adding magnetic seeds to the magnetic seed dosing box is arranged on the magnetic seed dosing box, and the magnetic seed dosing box stirrer is arranged inside the magnetic seed dosing box.
6. The integrated superconducting steel rolling wastewater treatment equipment according to claim 1, wherein: the superconducting separation system comprises a water pipe, a driving motor, a superconducting coil, a refrigerator, a chain and a flushing box, wherein the chain is connected end to form an annular structure, the chain penetrates through the water pipe and the flushing box, the chain is tensioned through the driving motor and a plurality of idler wheels, a screen is arranged on the chain, the superconducting coil is fixed outside the water pipe and used for magnetizing the screen, the refrigerator used for cooling is further arranged on the superconducting coil, and the refrigerator is used for cooling the superconducting coil.
7. The integrated superconducting steel rolling wastewater treatment equipment according to claim 1, wherein: the magnetic recovery system comprises:
the screw pump is used for conveying the magnetic seed floccules separated by the superconducting separation system to the high-shear homogenizer;
the high-shear homogenizer is used for cutting the floccules with the magnetic seeds and conveying the cut mixture to the magnetic recycling machine;
and the magnetic recycling machine is used for separating the magnetic seeds and the iron oxides in the mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122994623.3U CN216236535U (en) | 2021-12-01 | 2021-12-01 | Integrated superconducting steel rolling wastewater treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122994623.3U CN216236535U (en) | 2021-12-01 | 2021-12-01 | Integrated superconducting steel rolling wastewater treatment equipment |
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| Publication Number | Publication Date |
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| CN216236535U true CN216236535U (en) | 2022-04-08 |
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| CN202122994623.3U Active CN216236535U (en) | 2021-12-01 | 2021-12-01 | Integrated superconducting steel rolling wastewater treatment equipment |
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| CN (1) | CN216236535U (en) |
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