CN110577316A - super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water - Google Patents
super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water Download PDFInfo
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- CN110577316A CN110577316A CN201910986891.5A CN201910986891A CN110577316A CN 110577316 A CN110577316 A CN 110577316A CN 201910986891 A CN201910986891 A CN 201910986891A CN 110577316 A CN110577316 A CN 110577316A
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- 239000006247 magnetic powder Substances 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000007885 magnetic separation Methods 0.000 title claims abstract description 14
- 230000001112 coagulating effect Effects 0.000 title abstract description 8
- 238000005345 coagulation Methods 0.000 claims abstract description 166
- 230000015271 coagulation Effects 0.000 claims abstract description 166
- 238000006243 chemical reaction Methods 0.000 claims abstract description 158
- 238000005189 flocculation Methods 0.000 claims abstract description 49
- 230000016615 flocculation Effects 0.000 claims abstract description 49
- 238000003756 stirring Methods 0.000 claims abstract description 45
- 239000000701 coagulant Substances 0.000 claims abstract description 37
- 239000008394 flocculating agent Substances 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000011152 fibreglass Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 abstract description 16
- 230000035484 reaction time Effects 0.000 abstract description 6
- 239000003814 drug Substances 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water, wherein a coagulation reaction system enables waste water after stirring reaction with a coagulant through a coagulation stirring paddle to flow into a magnetic coagulation reaction tank from a coagulation overflow hole on the side wall of the coagulation reaction tank; the magnetic coagulation stirring paddle coaxial with the coagulation stirring paddle stirs magnetic seeds and wastewater, the magnetic seeds at the bottom of the tank are lifted to the top of the magnetic coagulation reaction tank through the magnetic seed lifting auxiliary system to be fully reacted, the magnetic coagulation overflow port flows into the flocculation reaction tank, the flocculation stirring paddle and a flocculating agent are fully stirred to react, and the reaction is output through an output pump after being completely reacted. By the technical scheme of the invention, the magnetic powder at the bottom of the tank participates in the coagulation reaction again, so that the medicament cost of a coagulant and a flocculant is saved, the adding amount of the magnetic powder is reduced, the occupied area is saved, the sedimentation rate is increased, the reaction time is saved, and the water yield and the water quality are improved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water.
Background
In recent years, the treatment of black and odorous water has been increasingly emphasized, and from the viewpoint of black and odorous water treatment processes, the traditional river treatment systems include natural ecological land treatment systems (especially artificial wetland treatment systems) and oxidation ponds, as well as artificial enhanced biological contact oxidation methods, biological filter beds and the like.
Due to the characteristics of great variability of water temperature, flow and water quality along with seasons in the river sewage in northeast, the traditional treatment method generally has the defects of poor treatment effect, high operation cost, low impact resistance and difficulty in achieving ideal effects. The magnetic separation technology is used as a novel black and odorous river treatment technology and has the characteristics of low treatment cost, large treated water amount and no influence of temperature.
The coagulation part of the current supermagnetic separation system consists of a coagulation reaction tank, a magnetic coagulation reaction tank and a flocculation reaction tank, and coagulant is added into the coagulation reaction tank, and the mixed solution after full reaction enters the magnetic coagulation reaction tank and then magnetic powder is added; after the fully reacted magnetic mixed liquid enters a flocculation reaction tank, adding a coagulant aid; and (3) the mixed liquor after full reaction enters a super-magnetic separation system, the water reaching the standard is discharged or subjected to advanced treatment, and the precipitate is subjected to magnetic seed recovery and sludge discharge. However, because the specific gravity of the magnetic powder is larger than that of water, part of the magnetic powder can not be agglomerated with small floccules in the adding process and is deposited at the bottom of the tank, and the magnetic powder at the bottom of the tank can not float upwards to participate in the coagulation process again through mechanical stirring, so that a large amount of waste of the magnetic powder is caused, and the energy consumption is reduced in the stirring process.
disclosure of Invention
Aiming at least one of the problems, the invention provides a super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water, which ensures that the magnetic powder at the bottom of a pool participates in the coagulation reaction again by redesigning the connection structures of a coagulation reaction system, a magnetic coagulation reaction system and a flocculation reaction system and additionally arranging a magnetic seed lifting auxiliary system, thereby saving the medicament cost of a coagulant and a flocculating agent, reducing the adding amount of the magnetic powder, saving the occupied land, increasing the sedimentation rate, saving the reaction time, and improving the water yield and the water quality.
In order to achieve the purpose, the invention provides a super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water, which comprises: the system comprises a coagulation reaction system, a magnetic coagulation reaction system, a flocculation reaction system and a magnetic seed lifting auxiliary system; the coagulation reaction system comprises a coagulation reaction tank, a first rotating electrode, a first rotating connecting rod, a coagulation stirring paddle, a coagulant preparation component and a coagulant adding component, the magnetic coagulation reaction system comprises a magnetic coagulation reaction tank, a magnetic coagulation stirring paddle, a magnetic seed backflow component and a magnetic seed adding component, the coagulation reaction tank is arranged in the magnetic coagulation reaction tank, the first rotating connecting rod is connected with the first rotating electrode, the first rotating connecting rod extends into the magnetic coagulation reaction tank from the coagulation reaction tank, the coagulation stirring paddle is arranged in an area in the coagulation reaction tank on the first rotating connecting rod, and the magnetic coagulation stirring paddle is arranged in an area in the magnetic coagulation reaction tank on the first rotating connecting rod; the feeding port of the coagulant adding assembly is connected with the coagulant preparation assembly, the discharging port of the coagulant adding assembly is communicated into the coagulation reaction tank, the backflow port of the magnetic seed backflow assembly is communicated into the magnetic coagulation reaction tank, the discharging port of the magnetic seed adding assembly is communicated into the magnetic coagulation reaction tank, a coagulation overflow orifice is formed in the side wall of the coagulation reaction tank, and the coagulation reaction tank is communicated with the magnetic coagulation reaction tank through the coagulation overflow orifice; the magnetic seed lifting auxiliary system comprises a cylindrical cam, a disc-shaped cam, a magnetic block, a guide block and a cylindrical roller, wherein the cylindrical cam and the disc-shaped cam form a linkage cam mechanism, a boss is formed in a partial area of the cylindrical cam, the cylindrical roller can be jacked up by the boss, a spring catch is arranged below the disc-shaped cam, the spring catch and the cylindrical roller are respectively connected with the guide block, the guide block is connected with the magnetic block, the magnetic block performs circular rectangular intermittent motion along a preset track under the linkage action of the cylindrical cam and the disc-shaped cam, one side of the circular rectangular motion track of the magnetic block is from the lower part of the outer side of the pool wall of the magnetic coagulation reaction pool to the upper part of the outer side of the pool wall, and the pool wall of the magnetic coagulation reaction pool, which is close to the magnetic seed lifting auxiliary system, is a glass fiber reinforced plastic wall; the flocculation reaction system comprises a flocculation reaction tank, a second rotating electrode, a second rotating connecting rod, a flocculation stirring paddle, a flocculant preparation component and a flocculant adding component, the second rotating connecting rod is connected with the second rotating electrode and extends into the flocculation reaction tank, the flocculation stirring paddle is arranged on the second rotating connecting rod, a feed inlet of the flocculating agent feeding component is connected with the flocculating agent preparing component, a discharge port of the flocculating agent feeding assembly is communicated to the flocculation reaction tank, the flocculation reaction tank and the magnetic coagulation reaction tank are arranged adjacently, a magnetic coagulation overflow port is arranged on the wall of the separation tank, the flocculation reaction tank is communicated with the magnetic coagulation reaction tank through the magnetic coagulation overflow port, an external conveying pipeline is further arranged on the tank wall of the flocculation reaction tank, and the external conveying pipeline is communicated with an external conveying pump.
In the above technical solution, preferably, the size of the coagulation overflow orifices is 30 × 30 cm to 40 × 40 cm, and the distance between the coagulation overflow orifices is 50 cm to 60 cm.
in the above technical solution, preferably, the convex portion of the radial profile of the disk-shaped cam can jack up the spring catch, so that the spring of the spring catch is compressed, and the magnetic block indirectly connected with the spring catch moves upward along the glass fiber reinforced plastic wall.
In the above technical solution, preferably, the cylindrical roller is pulled to a lower position of the cylindrical cam by a spring connected to the pool wall after being separated by the boss of the cylindrical cam, and drives the indirectly connected magnetic block to separate from the glass fiber reinforced plastic wall.
compared with the prior art, the invention has the beneficial effects that: through redesigning the connection structure of the coagulation reaction system, the magnetic coagulation reaction system and the flocculation reaction system and additionally arranging the magnetic seed lifting auxiliary system, the magnetic powder at the bottom of the tank participates in the coagulation reaction again, so that the medicament cost of a coagulant and a flocculant is saved, the magnetic powder adding amount is reduced, the occupied area is saved, the sedimentation rate is increased, the reaction time is saved, and the water yield and the water quality are improved.
Drawings
Fig. 1 is a schematic structural view of a super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front view of a magnetic seed lift assistance system according to an embodiment of the present invention;
FIG. 3 is a left side view of the magnetic seed lift assist system according to an embodiment of the present invention;
Fig. 4 is a schematic top view of a magnetic seed lift assistance system according to an embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
1. A coagulation reaction system, 11, a coagulation reaction tank, 12, a coagulation overflow orifice, 13, a first rotating electrode, 14, a first rotating connecting rod, 15, a coagulation stirring paddle, 16, a coagulant adding component, 17, a coagulant preparation component,
2. A magnetic coagulation reaction system, 21, a magnetic coagulation reaction tank, 22, a magnetic coagulation overflow port, 23, a magnetic seed adding component, 24, a magnetic seed reflux component, 25, a glass fiber reinforced plastic wall, 26, a magnetic coagulation stirring paddle,
3. A flocculation reaction system, 31, a flocculation reaction tank, 32, a second rotating electrode, 33, a second rotating connecting rod, 34, a flocculation stirring paddle, 35, a flocculating agent adding component, 36, a flocculating agent preparing component, 37, an external conveying pipeline,
4. Magnetic auxiliary lifting system, 41 magnet, 42 track, 43 guide block, 44 space ball pair, 45 cylindrical cam, 46 disk cam, 47 cylindrical roller, 5 output pump.
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1 to 4, the present invention provides a super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water body, comprising: a coagulation reaction system 1, a magnetic coagulation reaction system 2, a flocculation reaction system 3 and a magnetic seed lifting auxiliary system 4; the coagulation reaction system 1 comprises a coagulation reaction tank 11, a first rotating electrode 13, a first rotating connecting rod 14, a coagulation stirring paddle 15, a coagulant preparation component 17 and a coagulant adding component 16, the magnetic coagulation reaction system 2 comprises a magnetic coagulation reaction tank 21, a magnetic coagulation stirring paddle 26, a magnetic seed backflow component 24 and a magnetic seed adding component 23, the coagulation reaction tank 11 is arranged in the magnetic coagulation reaction tank 21, the first rotating connecting rod 14 is connected with the first rotating electrode 13, the first rotating connecting rod 14 extends into the magnetic coagulation reaction tank 21 from the coagulation reaction tank 11, the coagulation stirring paddle 15 is arranged in the region in the coagulation reaction tank 11 on the first rotating connecting rod 14, and the magnetic coagulation stirring paddle 26 is arranged in the region in the magnetic coagulation reaction tank 21 on the first rotating connecting rod 14; a feed port of the coagulant adding component 16 is connected with the coagulant preparation component 17, a discharge port of the coagulant adding component 16 is communicated into the coagulation reaction tank 11, a return port of the magnetic seed return component 24 is communicated into the magnetic coagulation reaction tank 21, a discharge port of the magnetic seed adding component 23 is communicated into the magnetic coagulation reaction tank 21, a coagulation overflow orifice 12 is arranged on the side wall of the coagulation reaction tank 11, and the coagulation reaction tank 11 is communicated with the magnetic coagulation reaction tank 21 through the coagulation overflow orifice 12; the magnetic seed lifting auxiliary system 4 comprises a cylindrical cam 45, a disc-shaped cam 46, a magnet 41, a guide block 43 and a cylindrical roller 47, wherein the cylindrical cam 45 and the disc-shaped cam 46 form a linkage cam mechanism, a boss is formed in a partial area of the cylindrical cam 45, the cylindrical roller 47 can be jacked up by the boss, a spring blocking piece is arranged below the disc-shaped cam 46, the spring blocking piece and the cylindrical roller 47 are respectively connected with the guide block 43, the guide block 43 is connected with the magnet 41, the magnet 41 performs circular rectangular intermittent motion along a preset track 42 under the linkage action of the cylindrical cam 45 and the disc-shaped cam 46, one side of the circular rectangular motion track 42 of the magnet 41 is from the lower part of the outer side of the pool wall of the magnetic coagulation reaction pool 21 to the upper part of the outer side of the pool wall, and the pool wall of the magnetic coagulation reaction pool 21 close to the magnetic seed lifting; the flocculation reaction system 3 comprises a flocculation reaction tank 31, a second rotating electrode 32, a second rotating connecting rod 33, a flocculation stirring paddle 34, a flocculant preparation component 36 and a flocculant adding component 35, the second rotating connecting rod 33 is connected with the second rotating electrode 32 and extends into the flocculation reaction tank 31, the flocculation stirring paddle 34 is installed on the second rotating connecting rod 33, a feed inlet of the flocculant adding component 35 is connected with the flocculant preparation component 36, a discharge outlet of the flocculant adding component 35 is communicated into the flocculation reaction tank 31, the flocculation reaction tank 31 is adjacent to the magnetic coagulation reaction tank 21 and provided with a magnetic coagulation overflow port 22 on a partition tank wall, the flocculation reaction tank 31 is communicated with the magnetic coagulation reaction tank 21 through the magnetic coagulation overflow port 22, an external conveying pipeline 37 is further arranged on the tank wall of the flocculation reaction tank 31, and the external conveying pipeline 37 is communicated with the external conveying pump 5.
in this embodiment, specifically, the system adds a coagulant into the coagulation reaction system 1 to sufficiently react the wastewater in the coagulation reaction tank 11 with the coagulant. Coagulant is added by a coagulant adding component 16, the coagulant is fully stirred by a coagulation stirring paddle 15 in the coagulation reaction tank 11, the reacted mixed solution enters the magnetic coagulation reaction tank 21 from a plurality of coagulation overflow orifices 12, the coagulation overflow orifices 12 are arranged on the peripheral outer wall of the coagulation reaction tank 11, and the mixed solution can flow into the magnetic coagulation reaction system 2 at a certain flow rate. Preferably, the size of the coagulation overflow orifices 12 is 30 × 30 cm to 40 × 40 cm, and the distance between the coagulation overflow orifices 12 is 50 cm to 60 cm. Preferably, the amount of the coagulant added in each liter of wastewater is 10-80 mg, and the sufficient reaction time of the wastewater and the coagulant is 3-15 minutes. The coagulation stirring paddle 15 is connected to the first rotating electrode 13 through the first rotating connecting rod 14, the first rotating electrode 13 provides a power source, the coagulation stirring paddle 15 and the magnetic coagulation stirring paddle 26 are driven to be in coaxial linkage, motor investment can be saved, and residual power of internal fluid of the coagulation reaction system 1 can be fully utilized.
Specifically, the coagulation reaction tank 11 is used as a relatively independent space for fully reacting with a coagulant, in the coagulation reaction tank 11, the coagulant adding system 17 adds the coagulant into the coagulation reaction tank 11, and the first rotating connecting rod 14 is driven by the first rotating electrode 13 to stir the wastewater in the coagulation reaction tank 11, so that the full reaction between the wastewater and the coagulant is realized. The first rotating connecting rod 14 can accelerate the reaction and simultaneously can overflow the reacted waste water out of the coagulation overflow hole 12 on the wall of the coagulation reaction tank 11. In addition, since the coagulation reaction tank 11 is disposed in the magnetic coagulation reaction tank 21, the wastewater after the reaction can directly overflow into the magnetic coagulation reaction tank 21.
In the magnetic coagulation reaction system 2, the wastewater and the magnetic powder are fully reacted by adding the magnetic powder into the magnetic coagulation reaction tank 21. Furthermore, the magnetic powder sources are two, firstly, new magnetic powder is added through the magnetic seed adding component 23, and secondly, the recovered magnetic seeds are introduced through the magnetic seed refluxing component 24. The added magnetic powder is mixed with the mixed liquid overflowed from the coagulation reaction system 1 under the strong stirring of the magnetic coagulation stirring paddle 26, one part of the magnet is fully fused with the small floccules in the mixed liquid to form magnetic floccules taking the magnetic seeds as the core, and the other part of the magnet is sunk to the bottom of the tank. The magnet that sinks the bottom of the pool can be brought to the glass steel wall 25 under the action of the magnetic coagulation stirring paddle 26, the glass steel wall 25 isolates the magnetic coagulation reaction pool 21 from the magnetic seed lifting auxiliary system 4, the magnet can be lifted to the highest position of the magnetic block track 42 and then separated, free settlement is carried out, and the magnet rapidly participates in the mixing reaction of the magnetic seed under the action of the annular disturbance of the magnetic coagulation stirring paddle 26 on liquid, so that the full utilization of the magnet is realized. Preferably, the amount of the magnetic powder added in each liter of wastewater is 5-25 mg, and the sufficient reaction time of the wastewater and the magnetic powder is 3-10 minutes.
Specifically, as shown in fig. 2 to 4, in the magnetic seed lift assistance system 4, a cylindrical cam 45 and a disk-shaped cam 46 constitute a linked cam mechanism, and the magnetic block 41 is caused to make rectangular intermittent motion according to the preset track 42 by the combined action of the two cams. The guide block 43 and the magnetic block 41 are connected with other components through a space ball pair 44, so that the directional freedom degree in the rectangular intermittent motion process is ensured. The cylindrical cam 45 rotates, when the boss of the cylindrical cam 45 jacks up the cylindrical roller 47, the spring catch under the disc-shaped cam 46 moves at the base circular arc, and at the moment, the magnetic block 41 is static at the bottom of the glass wall while the spring on the tank wall is in a stretching state, so that the magnetic powder with clean bottom of the tank body is attracted by the magnetic block 41. When the convex part of the radial profile of the disk cam 46 is in contact with the spring baffle below the disk cam, the spring below the disk cam is compressed, and the magnetic block 41 moves upwards along the glass wall, so that the magnetic powder attracted by the magnetic block 41 at the bottom of the tank body is close to the liquid level. Cylindrical roller 47 leaves the boss of cylindrical cam 45 afterwards, is pulled to the low department of cylindrical cam 45 by the spring on the pool wall, and magnetic path 41 leaves the glass wall this moment, and the clean magnetic powder of attraction plays magnetic flocculation once more, realizes the even flocculation of magnetic powder. Subsequently, the interlocking cam moves again, and the magnetic block 41 returns to the initial position and is stationary, so that cyclic rectangular intermittent motion is realized.
Wherein, magnetism kind promotes auxiliary system 4 independently sets up in magnetism thoughtlessly congeals the opposite side of stirring pond 21 for flocculation stirring pond 31, magnetism kind promotes auxiliary system 4 and magnetism and thoughtlessly congeals and adopts glass steel wall 25 to separate mutually between the reaction tank 21, be a structural design of dry-wet separation, can need not directly set up in magnetism thoughtlessly congeals the reaction tank 21 under magnetic force, can realize again better promoting the magnetic to the upper portion of magnetism thoughtlessly congeals reaction tank 21 by magnetism thoughtlessly congeals the bottom transport of reaction tank 21, thereby carry out abundant reaction with the magnetic of adding under the stirring effect of magnetism thoughtlessly congeals stirring rake 26, form even flocculation. In addition, under the stirring effect of the magnetic coagulation stirring paddle 26, the reacted liquid overflows to the flocculation reaction tank 31 from the magnetic coagulation overflow port 22 on the tank wall in the moving process, a conveying device does not need to be independently arranged, and the liquid is conveyed to the flocculation reaction tank 31 from the magnetic coagulation reaction tank 21, so that the residual power of the fluid is fully utilized, and the motor investment and the extra electric energy are saved.
In addition, this kind of magnetism promotes auxiliary system 4 also can constitute through other types of structures in order to carry the magnetic powder from the bottom of magnetic coagulation reaction tank 21 to promote to the upper portion of magnetic coagulation reaction tank 21, and the technical staff in the art can choose different structures according to concrete practice situation in the implementation process, and it is no longer repeated here.
The fully reacted magnetic mixed liquid obtained in the magnetic coagulation reaction system 2 enters the flocculation reaction system 3 from the magnetic coagulation overflow port 22 on the side wall of the magnetic coagulation reaction tank 21. Coagulant aid is added into the flocculation reaction tank 31 through a flocculant adding component 35, and is flocculated and combined with the wastewater into a whole by virtue of slow stirring of a flocculation stirring paddle 34, and then is rapidly precipitated. Preferably, the coagulant aid is added into each liter of wastewater in an amount of 1-3 mg, and the sufficient reaction time of the wastewater and the coagulant is 3-10 minutes. The wastewater flocculate in the flocculation reaction system 3 is pumped into a super-magnetic separation system by an external delivery pump 5, effluent is discharged or deeply treated by water which reaches the standard after precipitation, precipitates are recovered, and sludge is discharged and treated. The sediment is pumped to a magnetic powder recovery device and a magnetic powder feeding device through a sludge pump for recycling, and the sludge in the sediment is pumped to a sludge treatment system through the sludge pump for treatment.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. the utility model provides a black and odorous water is handled with magnetic throwing and thoughtlessly congeals super magnetic separation system which characterized in that includes: the system comprises a coagulation reaction system, a magnetic coagulation reaction system, a flocculation reaction system and a magnetic seed lifting auxiliary system;
the coagulation reaction system comprises a coagulation reaction tank, a first rotating electrode, a first rotating connecting rod, a coagulation stirring paddle, a coagulant preparation component and a coagulant adding component, the magnetic coagulation reaction system comprises a magnetic coagulation reaction tank, a magnetic coagulation stirring paddle, a magnetic seed backflow component and a magnetic seed adding component, the coagulation reaction tank is arranged in the magnetic coagulation reaction tank, the first rotating connecting rod is connected with the first rotating electrode, the first rotating connecting rod extends into the magnetic coagulation reaction tank from the coagulation reaction tank, the coagulation stirring paddle is arranged in an area in the coagulation reaction tank on the first rotating connecting rod, and the magnetic coagulation stirring paddle is arranged in an area in the magnetic coagulation reaction tank on the first rotating connecting rod;
The feeding port of the coagulant adding assembly is connected with the coagulant preparation assembly, the discharging port of the coagulant adding assembly is communicated into the coagulation reaction tank, the backflow port of the magnetic seed backflow assembly is communicated into the magnetic coagulation reaction tank, the discharging port of the magnetic seed adding assembly is communicated into the magnetic coagulation reaction tank, a coagulation overflow orifice is formed in the side wall of the coagulation reaction tank, and the coagulation reaction tank is communicated with the magnetic coagulation reaction tank through the coagulation overflow orifice;
The magnetic seed lifting auxiliary system comprises a cylindrical cam, a disc-shaped cam, a magnetic block, a guide block and a cylindrical roller, wherein the cylindrical cam and the disc-shaped cam form a linkage cam mechanism, a boss is formed in a partial area of the cylindrical cam, the cylindrical roller can be jacked up by the boss, a spring catch is arranged below the disc-shaped cam, the spring catch and the cylindrical roller are respectively connected with the guide block, the guide block is connected with the magnetic block, the magnetic block performs circular rectangular intermittent motion along a preset track under the linkage action of the cylindrical cam and the disc-shaped cam, one side of the circular rectangular motion track of the magnetic block is from the lower part of the outer side of the pool wall of the magnetic coagulation reaction pool to the upper part of the outer side of the pool wall, and the pool wall of the magnetic coagulation reaction pool, which is close to the magnetic seed lifting auxiliary system, is a glass fiber reinforced plastic wall;
the flocculation reaction system comprises a flocculation reaction tank, a second rotating electrode, a second rotating connecting rod, a flocculation stirring paddle, a flocculant preparation component and a flocculant adding component, the second rotating connecting rod is connected with the second rotating electrode and extends into the flocculation reaction tank, the flocculation stirring paddle is arranged on the second rotating connecting rod, a feed inlet of the flocculating agent feeding component is connected with the flocculating agent preparing component, a discharge port of the flocculating agent feeding assembly is communicated to the flocculation reaction tank, the flocculation reaction tank and the magnetic coagulation reaction tank are arranged adjacently, a magnetic coagulation overflow port is arranged on the wall of the separation tank, the flocculation reaction tank is communicated with the magnetic coagulation reaction tank through the magnetic coagulation overflow port, an external conveying pipeline is further arranged on the tank wall of the flocculation reaction tank, and the external conveying pipeline is communicated with an external conveying pump.
2. The system for the super-magnetic separation of the magnetic powder adding and the coagulation for the treatment of the black and odorous water according to claim 1, wherein the size of the coagulation overflow orifices is 30 x 30 cm to 40 x 40 cm, and the distance between the coagulation overflow orifices is 50 cm to 60 cm.
3. The system for separating the black and odorous water from the black and odorous water for treating the magnetic powder feeding and the coagulation, according to claim 1, is characterized in that a protruding part of a radial profile of the disc-shaped cam can jack up the spring blocking piece, so that a spring of the spring blocking piece is compressed, and the magnetic block indirectly connected with the spring blocking piece moves upwards along the glass fiber reinforced plastic wall.
4. the system for the super-magnetic separation of magnetic powder addition and coagulation for the treatment of black and odorous water according to claim 1, wherein the cylindrical roller is pulled to the lower part of the cylindrical cam by a spring connected to the tank wall after being separated from the boss of the cylindrical cam, and the indirectly connected magnetic block is driven to leave the glass fiber reinforced plastic wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986891.5A CN110577316A (en) | 2019-10-17 | 2019-10-17 | super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910986891.5A CN110577316A (en) | 2019-10-17 | 2019-10-17 | super-magnetic separation system for adding and coagulating magnetic powder for treating black and odorous water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1157310A (en) * | 1997-08-21 | 1999-03-02 | Kurita Water Ind Ltd | Flocculation treatment and device therefor |
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