CN220056468U - Magnetic medium coagulating sedimentation system - Google Patents

Abstract

The utility model discloses a magnetic medium coagulating sedimentation system, which relates to the technical field of sewage treatment and comprises the following components: the coagulation unit comprises a coagulation tank, a first baffle, a second baffle and a third baffle are respectively arranged in the coagulation tank from left to right, the first baffle, the second baffle and the third baffle divide the coagulation tank into an intake weir, a rapid mixing reaction cavity, a magnetic medium coagulation reaction cavity and a flocculation reaction cavity which are distributed from left to right in sequence, the bottoms of the intake weir and the rapid mixing reaction cavity are communicated through a through groove formed in the side face of the bottom of the first baffle, and the tops of the rapid mixing reaction cavity and the magnetic medium coagulation reaction cavity are communicated through a second through groove formed in the side face of the top of the second baffle. This magnetic medium coagulating sedimentation system can carry out the efflux to quick mixing reaction chamber bottom and wash, and carries out the vortex to the rivers that get into flocculation reaction chamber, makes the mud in the sewage evenly disperse, can avoid quick mixing reaction chamber and flocculation reaction chamber deposit mud, reduces the clearance work.

Description

Magnetic medium coagulating sedimentation system

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a magnetic medium coagulating sedimentation system.

Background

At present, the magnetic medium coagulating sedimentation technology is used as a deep water purification technology, has the characteristics of simple process, small equipment occupation, large treatment capacity, strong impact load resistance, low operation cost, long service life of equipment and the like, is increasingly and widely focused in the industry, and is increasingly applied to the fields of scale improvement and transformation of sewage treatment plants, deep dephosphorization of wastewater, heavy metal wastewater treatment, black and odorous river treatment and the like;

in the existing magnetic medium coagulating sedimentation system, after a coagulant is added into a rapid mixing reaction cavity in a coagulating basin, a part of mud is easily precipitated at the bottom of the rapid mixing reaction cavity, the part of mud is easily deposited in the rapid mixing reaction cavity after the water inlet speed of a sewage water inlet is reduced, the flocculated mud is easily precipitated along with vortex generated by stirring of a coagulating stirrer after a coagulant aid is added into the flocculating reaction cavity, the flocculated mud is not easily discharged into the magnetic sedimentation basin, and the rapid mixing reaction cavity and the flocculating reaction cavity are both required to be cleaned at fixed time, so that the process is troublesome and laborious.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a magnetic medium coagulating sedimentation system which can carry out jet flushing on the bottom of a rapid mixing reaction cavity and turbulent flow on water flow entering a flocculation reaction cavity, so that sludge in sewage is uniformly dispersed, sludge deposition in the rapid mixing reaction cavity and the flocculation reaction cavity can be avoided, cleaning work is reduced, and the system is trouble-saving and labor-saving, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a magnetic media coagulating sedimentation system, comprising:

the coagulation unit comprises a coagulation pool, a first baffle plate, a second baffle plate and a third baffle plate are respectively arranged in the coagulation pool from left to right, the first baffle plate, the second baffle plate and the third baffle plate divide the coagulation pool into a water inlet weir, a rapid mixing reaction cavity, a magnetic medium coagulation reaction cavity and a flocculation reaction cavity which are distributed in sequence from left to right, the bottoms of the water inlet weir and the rapid mixing reaction cavity are communicated through a through groove formed in the side surface of the bottom of the first baffle plate, the tops of the rapid mixing reaction cavity and the magnetic medium coagulation reaction cavity are communicated through a second through groove formed in the side surface of the top of the second baffle plate, the bottoms of the magnetic medium coagulation reaction cavity and the flocculation reaction cavity are communicated through a third through groove formed in the bottom of the third baffle plate, a coagulation stirrer is respectively arranged in the rapid mixing reaction cavity, the left side of the magnetic medium coagulation reaction cavity and the flocculation reaction cavity, a sewage inlet communicated with the water inlet is arranged at the left side of the second baffle plate, an arc-shaped guide groove is arranged at the left upper corner of the bottom of the second baffle plate, an arc-shaped guide block is arranged at the right middle part of the bottom of the water inlet weir, and a spray nozzle corresponding to the first through groove is arranged at the left side of the water inlet bottom;

the turbulent flow unit is arranged in the through groove III;

the left side of the magnetic precipitation unit is connected with a flocculation reaction cavity at the right end in the coagulation tank through a sewage transfer assembly, and the bottom of the magnetic precipitation unit is respectively connected with a sludge reflux unit and a magnetic medium recovery unit.

The sewage enters the water inlet weir through the sewage water inlet and the jet flow nozzle, the coagulant is added into the water inlet weir, the water and the coagulant in the water inlet weir are mixed and then enter the rapid mixing reaction cavity through the first through slot, the water and the coagulant are mixed through the coagulation stirrer, the jet flow nozzle sprays the sewage to the first through slot, the flow velocity of the water in the first through slot and the rapid mixing reaction cavity is promoted, the water current is turned upwards after hitting the guide angle block, the water quantity flowing downwards of the turned water can be reduced through the arc-shaped guide block, the water current impact can be carried out on the bottom of the rapid mixing reaction cavity, the sludge is prevented from depositing at the bottom of the rapid mixing reaction cavity, the mixed water and the coagulant enter the magnetic medium coagulation reaction cavity through the second through slot, the magnetic medium is added into the magnetic medium coagulation reaction cavity through the magnetic medium recovery unit, then enter the flocculation reaction cavity through the third through slot after being stirred, the coagulant aid is added into the flocculation reaction cavity, the flocculation is promoted by the coagulation stirrer in cooperation with the flocculation stirrer, the flocculation stirring unit can change the direction of the sewage flowing into the flocculation reaction cavity, the sewage flowing into the magnetic medium can be prevented from flowing into the magnetic sedimentation unit, the magnetic sedimentation unit can be prevented from flowing into the magnetic sedimentation unit, and the magnetic medium can be recovered, and the magnetic sedimentation unit can be discharged into the magnetic medium.

Furthermore, the coagulation unit further comprises a diversion pipeline, a sewage booster pump and a pipeline joint, the jet nozzle is connected with the outlet of the sewage booster pump through the diversion pipeline, and the pipeline joint is arranged at the inlet of the sewage booster pump. The pipeline joint is connected with an external sludge pipeline, the sewage booster pump pressurizes sewage and then is sent into the jet nozzle through the guide pipeline, the jet nozzle is aligned to the first through groove and is sprayed into the bottom of the rapid mixing reaction cavity, and centrifugal water flow formed by the coagulation stirrer in the rapid mixing reaction cavity is disturbed, so that centrifugal sediment of the sludge in the rapid mixing reaction cavity is avoided.

Further, the vortex unit includes support, electric telescopic handle, spoiler, slide bar, rack, pivot and gear, the rotation of vertical equidistance in the logical groove is connected with the pivot of vertical setting, every pivot respectively with the middle part fixed connection of spoiler, the equal fixedly connected with gear of rear end of every pivot, the downthehole sliding connection of vertical sliding of baffle has the slide bar, the rack is connected to the bottom of slide bar, and the rack extends to the interior rear side of logical groove and is connected with the gear engagement, the bottom flexible end of the top fixed connection electric telescopic handle of slide bar, the top of electric telescopic handle passes through the support mounting at the top of coagulating basin.

The support is used for installing electric telescopic rod, and the flexible of electric telescopic rod can drive the slide bar and move about in the slide hole of baffle three vertically to drive each gear through the rack and reciprocal rotation, thereby make the spoiler along with the pivot swing, change the rivers direction that enters into the flocculation reaction chamber through logical groove three, the coagulation stirrer in the cooperation flocculation reaction chamber disturbs rivers, the centrifugal action that produces when avoiding the stirring makes mud deposit in the flocculation reaction chamber bottom, reduces the clearance frequency of flocculation reaction chamber.

Further, the magnetism precipitation unit includes magnetism sedimentation tank, inlet channel, mud bucket, mud scraper and play mud passageway, the left side is provided with inlet channel in the magnetism sedimentation tank, and the right side is the sedimentation chamber in the magnetism sedimentation tank, and the bottom of sedimentation chamber is the toper structure, inlet channel's bottom and the bottom intercommunication of sedimentation chamber, the mud scraper is installed to the sedimentation intracavity, and the scraper blade of mud scraper bottom contacts with the bottom of sedimentation chamber, the bottom of magnetism sedimentation tank is provided with the mud bucket with the bottom center intercommunication of sedimentation chamber, mud passageway is connected to the bottom of mud bucket. The mud scraper can drive water flow to rotate, centrifugal action is generated to enable the mud to fall to the bottom of the sedimentation cavity, the scraper blade of the mud scraper scrapes the mud and falls into the mud bucket through the centrifugal action, and the mud can be discharged through the mud outlet channel.

Furthermore, the magnetic precipitation unit further comprises an inclined tube, the inclined tube is arranged at the top in the precipitation cavity, and micro flocs which are not easy to precipitate are captured by the inclined tube, so that the micro flocs are prevented from floating and flowing out.

Further, the magnetic precipitation unit also comprises an overflow weir and a clean water outlet, the right side of the magnetic precipitation tank is connected with the overflow weir, the right side of the overflow weir is provided with the clean water outlet, clean water overflows from the top of the magnetic precipitation tank into the overflow weir, and then is discharged through the clean water outlet.

Further, the sewage transfer assembly comprises a water outlet, a transfer pump and a conveying pipe, the right side of the coagulation tank is provided with the water outlet communicated with the flocculation reaction cavity, the water outlet is connected with the top end of the water inlet channel through the conveying pipe, the transfer pump is connected in series on the conveying pipe, and the transfer pump enters the flocculated sewage in the flocculation reaction cavity into the water inlet channel by means of the water outlet and the conveying pipe.

Further, the sludge reflux unit comprises a first sludge conveying pipeline, a reflux magnetic sludge pump and a sludge reflux pipe, wherein the bottom of the sludge outlet channel is connected with the inlet of the reflux magnetic sludge pump through the first sludge conveying pipeline, the outlet of the reflux magnetic sludge pump is connected with one end of the sludge reflux pipe, the other end of the sludge reflux pipe extends into the magnetic medium coagulation reaction cavity, and the reflux magnetic sludge pump enables part of sludge to reflux into the magnetic medium coagulation reaction cavity to participate in the reaction again.

Further, the magnetic medium recovery unit comprises a mud conveying pipeline II, a residual magnetic mud pump, a first mud conveying pipe, a flocculation removing machine, a second mud conveying pipe, a magnetic recovery machine, a magnetic medium adding pipe and a residual sludge discharging pipe, wherein the bottom of the mud outlet channel is connected with an inlet of the residual magnetic mud pump through the second mud conveying pipe, an outlet of the residual magnetic mud pump is connected with an inlet of the flocculation removing machine through the first mud conveying pipe, an outlet of the flocculation removing machine is connected with an adding port of the magnetic recovery machine through the second mud conveying pipe, a magnetic medium outlet of the magnetic recovery machine is connected with one end of the magnetic medium adding pipe, the other end of the magnetic medium adding pipe extends into a magnetic medium coagulation reaction cavity, a sludge outlet of the magnetic recovery machine is connected with the residual sludge discharging pipe, residual sludge of a sludge hopper is conveyed into the flocculation removing machine through the residual magnetic mud pump, then the magnetic medium is recovered through the magnetic recovery machine, the recovered magnetic medium is added into a magnetic medium coagulation reaction cavity through the magnetic medium adding pipe, and the produced sludge without the magnetic medium is discharged through the residual sludge discharging pipe.

Compared with the prior art, the utility model has the beneficial effects that: the magnetic medium coagulating sedimentation system has the following advantages:

jet flushing can be performed on the bottom of the rapid mixing reaction cavity, and turbulent flow is performed on water flow entering the flocculation reaction cavity, so that sludge in sewage is uniformly dispersed, sludge deposition in the rapid mixing reaction cavity and the flocculation reaction cavity can be avoided, cleaning work is reduced, and worry and labor are saved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the coagulation unit of the present utility model;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.

In the figure: 1 sewage water inlet, 2 coagulant aid adding unit, 21 coagulant aid tank, 22 coagulant aid stirrer, 23 coagulant aid adding pump, 24 coagulant aid adding pipe, 3 coagulant aid adding unit, 31 coagulant tank, 32 coagulant stirrer, 33 coagulant aid adding pump, 34 coagulant adding pipe, 4 coagulation unit, 41 coagulation basin, 42 partition plate one, 43 partition plate two, 44 partition plate three, 45 coagulation stirrer, 46 guide angle block, 47 arc guide block, 48 spray nozzle, 49 guide pipe, 410 sewage booster pump, 411 pipe joint, 5 sewage transfer component, 51 water outlet, 52 transfer pump, 53 transfer pipe, 6 magnetic precipitation unit, 61 magnetic precipitation tank, 62 water inlet channel, 63 mud bucket, 64 mud scraper, 65 chute, 66 overflow weir, 67 water purifying outlet, 68 mud outlet channel, 7 mud reflux unit, 71 mud feeding pipe one, 72 reflux magnetic mud pump, 73 mud reflux pipe, 8 magnetic medium recovery unit, 81 mud feeding pipe two, 82 residual magnetic mud pump, 83 mud pipe one, 84 de-flocculation machine, 85 mud pipe two, 86 magnetic medium recovery unit, 88 rack and 96 magnetic carrier, 95 rack and 93, and telescopic rack gear units, 93.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a magnetic media coagulating sedimentation system, comprising:

the coagulation unit 4 comprises a coagulation tank 41, wherein a first partition plate 42, a second partition plate 43 and a third partition plate 44 are respectively arranged in the coagulation tank 41 from left to right, the first partition plate 42, the second partition plate 43 and the third partition plate 44 divide the coagulation tank 41 into an inlet weir, a rapid mixing reaction cavity, a magnetic medium coagulation reaction cavity and a flocculation reaction cavity which are distributed in sequence from left to right, the bottoms of the inlet weir and the rapid mixing reaction cavity are communicated through grooves formed in the side surface of the bottom of the first partition plate 42, the tops of the rapid mixing reaction cavity and the magnetic medium coagulation reaction cavity are communicated through a second through groove formed in the side surface of the top of the second partition plate 43, the bottoms of the magnetic medium coagulation reaction cavity and the flocculation reaction cavity are communicated through a third through groove formed in the bottom of the third partition plate 44, a coagulation stirrer 45 is respectively arranged in the rapid mixing reaction cavity, the left side of the coagulation tank 41 is provided with a sewage inlet 1 communicated with the inlet weir, the left side bottom of the second partition plate 43 is provided with a diversion angle block 46, the left upper corner of the diversion angle block 46 is provided with an arc diversion trench, the middle part of the right side of the first partition plate 42 is provided with a diversion block 47, and the left side of the diversion trench is provided with a corresponding jet flow nozzle 48;

the coagulation unit 4 further comprises a diversion pipeline 49, a sewage booster pump 410 and a pipeline joint 411, wherein the spray nozzle 48 is connected with the outlet of the sewage booster pump 410 through the diversion pipeline 49, and the pipeline joint 411 is arranged at the inlet of the sewage booster pump 410. The pipeline joint 411 is connected with an external sludge pipeline, the sewage booster pump 410 pressurizes sewage, and then the sewage is sent into the jet nozzle 48 through the guide pipeline 49, the jet nozzle 48 is aligned with the first through groove and is sprayed into the bottom of the rapid mixing reaction cavity, and centrifugal water flow formed by the coagulation stirrer 45 in the rapid mixing reaction cavity is disturbed, so that the centrifugal sediment sludge in the rapid mixing reaction cavity is avoided.

The turbulence unit 9 is arranged in the through groove III;

the vortex unit 9 includes support 91, electric telescopic rod 92, spoiler 93, slide bar 94, rack 95, pivot 96 and gear 97, vertical equidistant rotation in the logical groove is connected with the pivot 96 of vertical setting, every pivot 96 respectively with the middle part fixed connection of spoiler 93, the equal fixedly connected with gear 97 of rear end of every pivot 96, vertical sliding in the baffle three 44 is downthehole the slide bar 94 of sliding, rack 95 is connected to the bottom of slide bar 94, rack 95 extends to logical groove three interior rear side and is connected with gear 97 meshing, the bottom flexible end of slide bar 94's top fixed connection electric telescopic rod 92, the top of electric telescopic rod 92 is installed at the top of coagulation basin 41 through support 91.

The support 91 is used for installing electric telescopic rod 92, and the flexible of electric telescopic rod 92 can drive slide bar 94 and reciprocate in the slide hole of baffle three 44 vertically to drive each gear 97 through rack 95 and reciprocal rotation, thereby make spoiler 93 along with pivot 96 swing, change the rivers direction that enters into the flocculation reaction chamber through logical groove three, the coagulation agitator 45 in the cooperation flocculation reaction chamber disturbs rivers, the centrifugal action that produces when avoiding the stirring makes mud deposit in the flocculation reaction chamber bottom, reduces the clearance frequency of flocculation reaction chamber.

The left side of the magnetic precipitation unit 6 is connected with a flocculation reaction cavity at the right end in the coagulation tank 41 through the sewage transfer assembly 5, and the bottom of the magnetic precipitation unit 6 is respectively connected with the sludge reflux unit 7 and the magnetic medium recovery unit 8.

The magnetic sedimentation unit 6 comprises a magnetic sedimentation tank 61, a water inlet channel 62, a mud bucket 63, a mud scraper 64 and a mud outlet channel 68, wherein the water inlet channel 62 is arranged on the left side in the magnetic sedimentation tank 61, the right side in the magnetic sedimentation tank 61 is a sedimentation cavity, the bottom of the sedimentation cavity is of a conical structure, the bottom of the water inlet channel 62 is communicated with the bottom of the sedimentation cavity, the mud scraper 64 is arranged in the sedimentation cavity, a scraper blade at the bottom of the mud scraper 64 is in contact with the bottom of the sedimentation cavity, the mud bucket 63 communicated with the bottom center of the sedimentation cavity is arranged at the bottom of the magnetic sedimentation tank 61, and the bottom of the mud bucket 63 is connected with the mud outlet channel 68. The scraper 64 can drive the water flow to rotate, and centrifugal action is generated to enable the sludge to fall to the bottom of the sedimentation cavity, the scraper blade of the scraper 64 scrapes the sludge and enables the sludge to fall into the sludge hopper 63 through the centrifugal action, and the sludge can be discharged through the sludge outlet channel 68.

The magnetic precipitation unit 6 also comprises an inclined tube 65, the top in the precipitation cavity is provided with the inclined tube 65, and micro flocs which are not easy to precipitate are captured by the inclined tube, so that the micro flocs are prevented from floating and flowing out.

The magnetic sedimentation unit 6 further comprises an overflow weir 66 and a clean water outlet 67, the right side of the magnetic sedimentation tank 61 is connected with the overflow weir 66, the right side of the overflow weir 66 is provided with the clean water outlet 67, clean water overflows from the top of the magnetic sedimentation tank 61 into the overflow weir 66, and then is discharged through the clean water outlet 67.

The sewage transfer assembly 5 comprises a water outlet 51, a transfer pump 52 and a conveying pipe 53, the right side of the coagulation tank 41 is provided with the water outlet 51 communicated with the flocculation reaction cavity, the water outlet 51 is connected with the top end of a water inlet channel 62 through the conveying pipe 53, the conveying pipe 53 is connected with the transfer pump 52 in series, and the transfer pump 52 enables sewage with flocculation in the flocculation reaction cavity to enter the water inlet channel 62 by means of the water outlet 51 and the conveying pipe 53.

When in use, sewage enters the water inlet weir through the sewage water inlet 1 and the jet nozzle 48, coagulant is added into the water inlet weir, water in the water inlet weir and the coagulant are mixed and then enter the rapid mixing reaction cavity through the first through groove, and the water and the coagulant are mixed through the coagulation stirrer 45;

the jet nozzle 48 jets sewage against the through groove I to promote the flow velocity of water in the through groove I and the rapid mixing reaction cavity, the water flow is turned upwards after hitting the flow guiding corner block 46, the quantity of water flowing downwards in the turning water flow can be reduced through the arc-shaped flow guiding block 47, the water flow impact can be carried out on the bottom of the rapid mixing reaction cavity, and the sludge deposition at the bottom of the rapid mixing reaction cavity is avoided;

the mixed water and coagulant enter a magnetic medium coagulation reaction cavity through a through groove II, magnetic medium is added into the magnetic medium coagulation reaction cavity through a magnetic medium recovery unit 8, and then the mixed water and coagulant enter a flocculation reaction cavity through a through groove III after being stirred by a coagulation stirrer 45 in the magnetic medium coagulation reaction cavity;

coagulant aid is added into the flocculation reaction cavity, and the coagulation stirrer 45 in the flocculation reaction cavity is matched to promote the sludge to coagulate into flocs;

the turbulent flow unit 9 can change the direction of water flow flowing into the flocculation reaction cavity, and can prevent sludge from being deposited at the bottom of the flocculation reaction cavity, so that sewage and flocculation smoothly flow into the magnetic precipitation unit 6 to be precipitated through the sewage transfer assembly 5;

part of sludge in the magnetic precipitation unit 6 flows back to the magnetic medium coagulation reaction chamber through the sludge backflow unit 7, and the other part of sludge is recycled by the magnetic medium recycling unit 8 and added into the magnetic medium coagulation reaction chamber again, and the sludge is discharged.

In a second embodiment, referring to fig. 1-3, the present utility model provides a technical solution: a magnetic medium coagulating sedimentation system, the present embodiment is further described in the first embodiment;

the sludge reflux unit 7 comprises a first sludge conveying pipeline 71, a reflux magnetic sludge pump 72 and a sludge reflux pipe 73, wherein the bottom of the sludge outlet channel 68 is connected with the inlet of the reflux magnetic sludge pump 72 through the first sludge conveying pipeline 71, the outlet of the reflux magnetic sludge pump 72 is connected with one end of the sludge reflux pipe 73, the other end of the sludge reflux pipe 73 extends into the magnetic medium coagulation reaction cavity, and the reflux magnetic sludge pump 72 enables part of sludge to reflux into the magnetic medium coagulation reaction cavity to participate in the reaction again.

The magnetic medium recovery unit 8 comprises a second mud conveying pipeline 81, a first residual magnetic mud pump 82, a first mud conveying pipeline 83, a flocculation removing machine 84, a second mud conveying pipeline 85, a magnetic recovery machine 86, a magnetic medium adding pipe 87 and a residual mud discharging pipe 88, wherein the bottom of the mud outlet channel 68 is connected with the inlet of the residual magnetic mud pump 82 through the second mud conveying pipeline 81, the outlet of the residual magnetic mud pump 82 is connected with the inlet of the flocculation removing machine 84 through the first mud conveying pipeline 83, the outlet of the flocculation removing machine 84 is connected with the adding port of the magnetic recovery machine 86 through the second mud conveying pipeline 85, the magnetic medium outlet of the magnetic recovery machine 86 is connected with one end of the magnetic medium adding pipe 87, the other end of the magnetic medium adding pipe 87 extends into the magnetic medium coagulation reaction cavity, the mud outlet of the magnetic recovery machine 86 is connected with the residual mud discharging pipe 88, the residual mud of the mud hopper 63 is conveyed into the flocculation removing machine 84 through the residual magnetic pump 82 for flocculation removing, then the magnetic medium is recovered through the magnetic recovery machine 86, the recovered magnetic medium is added into the magnetic medium coagulation reaction cavity through the magnetic medium adding pipe 87, and the generated sludge without the magnetic medium is discharged through the residual mud discharging pipe 88.

In other embodiments, the coagulant aid adding unit 2 and the coagulant aid adding unit 3 are further included, the coagulant aid adding unit 2 comprises a coagulant aid tank 21, a coagulant aid stirrer 22, a coagulant aid adding pump 23 and a coagulant aid adding pipe 24, the coagulant aid stirrer 22 is arranged in the coagulant aid tank 21, an outlet at the bottom side of the coagulant aid tank 21 is connected with an inlet of the coagulant aid adding pump 23, an outlet of the coagulant aid adding pump 23 is connected with one end of the coagulant aid adding pipe 24, the other end of the coagulant aid adding pipe 24 extends to a flocculation reaction cavity, the coagulant aid stirrer 22 is used for assisting in stirring the coagulant aid in the coagulant aid tank 21, and the coagulant aid adding pump 23 is used for adding the coagulant aid in the coagulant aid tank 21 into the flocculation reaction cavity through the coagulant aid adding pipe 24 so as to promote the formation of sewage flocculation;

the coagulant adding unit 3 comprises a coagulant tank 31, a coagulant stirrer 32, a coagulant adding pump 33 and a coagulant adding pipe 34, wherein the coagulant stirrer 32 is arranged in the coagulant tank 31, an outlet on the side surface of the bottom of the coagulant tank 31 is connected with an inlet of the coagulant adding pump 33, an outlet of the coagulant adding pump 33 is connected with one end of the coagulant adding pipe 34, the other end of the coagulant adding pipe 34 extends to the inner bottom of the water inlet weir, the end of the coagulant adding pipe 34 corresponds to a jet nozzle 48, the coagulant stirrer 32 is used for stirring the coagulant in the coagulant tank 31, then the coagulant is added to the inner bottom of the water inlet weir through the coagulant adding pipe 34 by the coagulant adding pump 33, and the sewage flow sprayed by the jet nozzle 48 is added into the rapid mixing reaction cavity to be mixed with sewage.

Notably, in the above embodiment, the sewage booster pump 410, the electric telescopic rod 92, the flocculation agitator 45, the transfer pump 52, the reflux magnetic mud pump 72, the residual magnetic mud pump 82, the magnetic recycling machine 86, the flocculation machine 84, the coagulant aid agitator 22 and the coagulant aid agitator 32 are controlled by external PLC controllers in a manner of the prior art;

and (3) magnetic coagulation flow: the water body to be treated is lifted to a coagulation unit 4 by a pump, is led into a sewage inlet 1, firstly enters a rapid mixing reaction cavity, is added with coagulant according to a certain proportion, is fully mixed, then automatically flows into a magnetic medium coagulation reaction cavity, is added with magnetic medium and reflux magnetic mud, is uniformly stirred by a coagulation stirrer 45 to form small flocs, enters a flocculation reaction cavity, is added with coagulant aid according to a certain proportion, and is uniformly mixed to form dense flocs wrapping the magnetic medium;

magnetic precipitation flow: the dense floccules wrapping the magnetic medium enter the magnetic sedimentation tank 61 and quickly settle to a sludge area at the bottom of the tank under the action of gravity, tiny floccules which are not easy to settle are captured by inclined pipes, and finally high-quality clean water overflows and merges from an overflow weir 66 at the top of the magnetic sedimentation tank 61 to be discharged. And part of the magnetic mud in the bottom mud area flows back to the magnetic medium coagulation reaction cavity through a magnetic mud pump, and the rest enters the magnetic medium recovery unit 8.

And (3) magnetic recovery flow: the rest of the magnetic mud is efficiently dispersed into magnetic medium and rest of sludge through the deflocculating machine 84, the magnetic medium is recovered to the magnetic medium coagulation reaction cavity by the magnetic recovery machine 86 for recycling, and the rest of the sludge enters the sludge dewatering treatment system.

The coagulation system is a key system for realizing the magnetic coagulation technology, and the magnetic coagulation technology is to add special magnetic medium magnetic powder into raw water so that the magnetic medium and suspended matters in the raw water form flocculation under the action of a coagulant. The flock formed is a mixture of magnetic medium and suspended matter with the magnetic medium as a "core". The coagulation system provides mechanical stirring and hydraulic retention time necessary for coagulation reaction, and the magnetic floccules formed after the reaction of the coagulation system automatically flow into the magnetic precipitation unit 6;

the magnetic floccules after coagulation automatically flow into the magnetic precipitation unit 6, and the purpose of quickly separating mud and water is realized through the action of the magnetic precipitation tank 61. The magnetic precipitation unit 6 mainly comprises a magnetic precipitation tank 61, a mud scraper 64, an overflow weir 66 and an inclined tube 65. After the magnetic flocks are deposited on the bottom of the pond, the magnetic flocks need to be scraped into a mud bucket 63 by the action of a mud scraper 64, and an inclined tube 65 is mainly used for ensuring that the tiny flocks are carried out along with water flow so as to influence the sedimentation effect. The size of the tank body of the magnetic sedimentation tank 61 determines the load and impact resistance of the magnetic sedimentation tank 61, and the residence time determines the sedimentation effect of the whole system and the final water outlet effect.

The medicament preparation and adding unit mainly comprises PAC preparation, PAC metering unit, PAM preparation and PAM metering unit. The addition amount of PAC and PAM is mainly determined according to early-stage small-scale tests and system debugging.

The PAC preparation device is mainly formed by two modes, wherein one mode is to dilute liquid and then to add, and the other mode is to add by preparing on-site dry powder into solution. The PAC preparation box adopts glass fiber reinforced plastic for anti-corrosion treatment. The agent in the PAC in situ mixer tank is dosed into the first level mixer tank of the coagulation system by a pump of the metering unit. PAC is typically configured at a 10% concentration. The dry powder is added into a stirring box and then mixed and stirred with a certain proportion of water, and the stirring time is more than 30 minutes.

The PAM automatic medicine soaking machine and the adding device are devices for preparing powdery particles into a solution with a certain concentration, which are developed and manufactured by introducing advanced technology, and are particularly suitable for preparing high polymer solution. The device has manual and automatic modes. In the manual operation mode, a user can adjust the dosage of the dry powder adding machine according to the needs of the user, the water inflow amount is controlled, and the dry powder adding machine, the stirrer and the electromagnetic valve are started and stopped. In the automatic operation mode, the equipment can continuously and automatically prepare the solution according to constant concentration, the starting and stopping of the solution preparation are completed through a liquid level controller arranged in a liquid storage tank, when the solution in the liquid storage tank is at a low liquid level, the liquid level controller sends a signal to open an electromagnetic valve on a water inlet pipeline, a dry powder feeder is started after a delay of tens of seconds, a dissolving tank stirrer and a curing tank stirrer are simultaneously started for solution preparation, when the solution in the liquid storage tank reaches a high liquid level of the liquid storage tank, the liquid level control sends a signal to close the electromagnetic valve on the water inlet pipeline to stop water inlet, the dry powder feeder is simultaneously closed to stop feeding powder, the stirrer stops working after a period of time delay, and the solution preparation is stopped.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A magnetic media coagulating sedimentation system, comprising:

the coagulation unit (4) comprises a coagulation tank (41), wherein a first partition plate (42), a second partition plate (43) and a third partition plate (44) are respectively arranged in the coagulation tank (41) from left to right, the first partition plate (42), the second partition plate (43) and the third partition plate (44) divide the interior of the coagulation tank (41) into an inlet weir, a rapid mixing reaction chamber, a magnetic medium coagulation reaction chamber and a flocculation reaction chamber which are distributed in sequence from left to right, the bottoms of the inlet weir and the rapid mixing reaction chamber are communicated through a through groove formed in the side surface of the bottom of the first partition plate (42), the tops of the rapid mixing reaction chamber and the magnetic medium coagulation reaction chamber are communicated through a second through groove formed in the side surface of the top of the second partition plate (43), the bottoms of the magnetic medium coagulation reaction chamber and the flocculation reaction chamber are communicated through a third through groove formed in the bottom of the third partition plate (44), a coagulation stirrer (45) is respectively arranged in the rapid mixing reaction chamber, the left side of the coagulation tank (41) is provided with a water inlet (1) communicated with the inlet weir, the left side bottom of the rapid mixing reaction chamber is provided with a water inlet block (46), the left side bottom of the second partition plate (43) is provided with a diversion block (46), and the bottom of the first partition plate (43) is provided with a diversion block (48) corresponding to the bottom of the arc-shaped water inlet mouth (48);

the turbulence unit (9) is arranged in the through groove III;

the left side of the magnetic precipitation unit (6) is connected with a flocculation reaction cavity at the right end in the coagulation tank (41) through the sewage transfer assembly (5), and the bottom of the magnetic precipitation unit (6) is respectively connected with the sludge reflux unit (7) and the magnetic medium recovery unit (8).

2. A magnetic media coagulating sedimentation system as claimed in claim 1, wherein: the coagulation unit (4) further comprises a diversion pipeline (49), a sewage booster pump (410) and a pipeline joint (411), the jet nozzle (48) is connected with an outlet of the sewage booster pump (410) through the diversion pipeline (49), and the pipeline joint (411) is installed at an inlet of the sewage booster pump (410).

3. A magnetic media coagulating sedimentation system as claimed in claim 1, wherein: the utility model provides a concrete mixing tank, including vortex unit (9), including support (91), electric telescopic handle (92), spoiler (93), slide bar (94), rack (95), pivot (96) and gear (97), vertical equidistant rotation in the logical groove is connected with pivot (96) of vertical setting, and every pivot (96) respectively with the middle part fixed connection of spoiler (93), the equal fixedly connected with gear (97) of rear end of every pivot (96), vertical sliding connection has slide bar (94) in baffle three (44), rack (95) are connected to the bottom of slide bar (94), rack (95) extend to logical inslot three rear side and with gear (97) meshing connection, the top of slide bar (94) the bottom flexible end of fixedly connected with electric telescopic handle (92), and the top in concrete pond (41) is installed at the top of support (91).

4. A magnetic media coagulating sedimentation system as claimed in claim 1, wherein: the utility model provides a magnetism sedimentation unit (6) includes magnetism sedimentation tank (61), inlet channel (62), mud bucket (63), mud scraper (64) and play mud passageway (68), left side is provided with inlet channel (62) in magnetism sedimentation tank (61), and right side is the sedimentation chamber in magnetism sedimentation tank (61), and the bottom of sedimentation chamber is the toper structure, and the bottom of inlet channel (62) communicates with the bottom of sedimentation chamber, install mud scraper (64) in the sedimentation chamber, the scraper blade of mud scraper (64) bottom contacts with the bottom of sedimentation chamber, the bottom of magnetism sedimentation tank (61) is provided with mud bucket (63) with the bottom center intercommunication of sedimentation chamber, mud passageway (68) are connected to the bottom of mud bucket (63).

5. A magnetic media coagulating sedimentation system as claimed in claim 4, wherein: the magnetic precipitation unit (6) further comprises an inclined tube (65), and the top in the precipitation cavity is provided with the inclined tube (65).

6. A magnetic media coagulating sedimentation system as claimed in claim 4, wherein: the magnetic sedimentation unit (6) further comprises an overflow weir (66) and a water purifying outlet (67), wherein the overflow weir (66) is connected to the right side of the magnetic sedimentation tank (61), and the water purifying outlet (67) is arranged on the right side of the overflow weir (66).

7. A magnetic media coagulating sedimentation system as claimed in claim 4, wherein: the sewage transfer assembly (5) comprises a water outlet (51), a transfer pump (52) and a conveying pipe (53), the right side of the coagulation tank (41) is provided with the water outlet (51) communicated with the flocculation reaction cavity, the water outlet (51) is connected with the top end of a water inlet channel (62) through the conveying pipe (53), and the transfer pump (52) is connected on the conveying pipe (53) in series.

8. A magnetic media coagulating sedimentation system as claimed in claim 4, wherein: the sludge reflux unit (7) comprises a sludge conveying pipeline I (71), a reflux magnetic sludge pump (72) and a sludge reflux pipe (73), wherein the bottom of the sludge outlet channel (68) is connected with the inlet of the reflux magnetic sludge pump (72) through the sludge conveying pipeline I (71), the outlet of the reflux magnetic sludge pump (72) is connected with one end of the sludge reflux pipe (73), and the other end of the sludge reflux pipe (73) extends into the magnetic medium coagulation reaction cavity.

9. A magnetic media coagulating sedimentation system as claimed in claim 4, wherein: the magnetic medium recycling unit (8) comprises a second mud conveying pipeline (81), a first residual magnetic mud pump (82), a first mud conveying pipe (83), a flocculation removing machine (84), a second mud conveying pipe (85), a magnetic recycling machine (86), a magnetic medium adding pipe (87) and a residual sludge discharging pipe (88), wherein the bottom of the mud outlet channel (68) is connected with the inlet of the first residual magnetic mud pump (82) through the second mud conveying pipeline (81), the outlet of the first residual magnetic mud pump (82) is connected with the inlet of the flocculation removing machine (84) through the first mud conveying pipe (83), the outlet of the flocculation removing machine (84) is connected with the adding port of the magnetic recycling machine (86) through the second mud conveying pipe (85), the magnetic medium outlet of the magnetic recycling machine (86) is connected with one end of the magnetic medium adding pipe (87), the other end of the magnetic medium adding pipe (87) extends into the magnetic medium coagulation reaction cavity, and the mud outlet of the magnetic recycling machine (86) is connected with the residual sludge discharging pipe (88).