CN220056468U - A magnetic media coagulation and 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

A magnetic media coagulation and sedimentation system

Technical field

The utility model relates to the technical field of sewage treatment, specifically a magnetic media coagulation and sedimentation system.

Background technique

At present, magnetic media coagulation and sedimentation technology, as a deep water purification technology, has the characteristics of simple process, small equipment footprint, large processing capacity, strong impact load resistance, low operating cost, long equipment service life, etc., and is becoming increasingly popular. It has attracted widespread attention in the industry and has been increasingly applied to the fields of sewage treatment plant standard improvement and transformation, deep phosphorus removal from wastewater, heavy metal wastewater treatment, black and smelly river treatment and other fields;

In the existing magnetic media coagulation and sedimentation system, after the coagulant is added to the rapid mixing reaction chamber in the coagulation tank, a part of mud is likely to precipitate at the bottom of the rapid mixing reaction chamber. When the water inlet speed of the sewage inlet decreases, this part of the mud will It is deposited in the rapid mixing reaction chamber. After the coagulant is added to the flocculation reaction chamber, the vortex generated by the coagulation stirrer will easily precipitate the flocculated mud, which will not be easily discharged into the magnetic sedimentation tank. The rapid mixing reaction chamber and The flocculation reaction chamber needs to be cleaned regularly, which is troublesome and laborious.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a magnetic media coagulation and sedimentation system that can perform jet flushing on the bottom of the rapid mixing reaction chamber and disturb the flow of water entering the flocculation reaction chamber to make the sewage The sludge in the reaction chamber is evenly dispersed, which can avoid the deposition of sludge in the rapid mixing reaction chamber and the flocculation reaction chamber, reduce the cleaning work, save worry and effort, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: a magnetic medium coagulation and sedimentation system, including:

The coagulation unit includes a coagulation tank. There are partitions one, two and three in the coagulation tank from left to right. The partitions one, two and three will coagulate the water. The pool is divided into an inlet weir, a rapid mixing reaction chamber, a magnetic media coagulation reaction chamber and a flocculation reaction chamber distributed in sequence from left to right. The bottom of the water inlet weir and the rapid mixing reaction chamber is passed through a partition and a channel opened on the side of the bottom. One is connected, and the tops of the rapid mixing reaction chamber and the magnetic medium coagulation reaction chamber are connected through the channel two opened on the top side of the partition two, and the bottoms of the magnetic media coagulation reaction chamber and the flocculation reaction chamber are connected through the channel opened on the bottom of the partition three. The three tanks are connected. The rapid mixing reaction chamber, the magnetic media coagulation reaction chamber and the flocculation reaction chamber are equipped with coagulation stirrers respectively. The left side of the coagulation tank is equipped with a sewage inlet connected to the water inlet weir. The second partition is A diversion corner block is provided at the bottom of the left side, an arc diversion groove is provided at the upper left corner of the diversion corner block, an arc diversion block is provided in the middle of the right side of the partition 1, and an arc diversion block is provided at the left side of the bottom of the water inlet weir. The corresponding jet nozzle for slot one;

Spoiler unit, installed in slot three;

The left side of the magnetic precipitation unit is connected to the flocculation reaction chamber at the right end of the coagulation tank through the sewage transfer assembly. The bottom of the magnetic precipitation unit is connected to the sludge return unit and the magnetic media recovery unit respectively.

The sewage enters the water inlet weir through the sewage inlet and the spray nozzle. Coagulant is added to the water inlet weir. The water in the water inlet weir and the coagulant are mixed and enter the rapid mixing reaction chamber through the channel 1. The coagulation mixer mixes the water and the coagulant, and the spray nozzle sprays the sewage towards the channel to promote the flow rate of the water in the channel and the rapid mixing reaction chamber. The water flows upward after hitting the diversion corner block. The arc-shaped guide block can reduce the amount of water flowing down the churning flow, and can impact the bottom of the rapid mixing reaction chamber to avoid sludge deposition at the bottom of the rapid mixing reaction chamber. The mixed water and coagulant enter through the second channel. In the magnetic media coagulation reaction chamber, the magnetic media is added into the magnetic media coagulation reaction chamber through the magnetic media recovery unit, and then stirred by the coagulation stirrer in the magnetic media coagulation reaction chamber and then enters the flocculation reaction chamber through slot three. Inside, add coagulants into the flocculation reaction chamber, and cooperate with the coagulation stirrer in the flocculation reaction chamber to promote the coagulation of sludge into flocs. The flow disturbance unit can change the direction of the water flow into the flocculation reaction chamber, which can prevent sludge from being deposited in the flocculation reaction chamber. At the bottom of the reaction chamber, the sewage and flocculation can smoothly flow into the magnetic precipitation unit through the sewage transfer assembly for precipitation. A part of the sludge in the magnetic precipitation unit flows back to the magnetic media coagulation reaction chamber through the sludge return unit, and the other part of the sludge passes through The magnetic medium recovery unit recycles the magnetic medium and adds it back to the magnetic medium coagulation reaction chamber, and the sludge is discharged.

Further, the coagulation unit also includes a diversion pipe, a sewage booster pump and a pipe joint. The nozzle is connected to the outlet of the sewage booster pump through the diversion pipe. The inlet of the sewage booster pump is equipped with a pipe joint. . The pipe joint is connected to the external sludge pipe. The sewage booster pump pressurizes the sewage and then sends it to the spray nozzle through the diversion pipe. The spray nozzle is aligned with the channel and sprayed into the bottom of the rapid mixing reaction chamber to disrupt the rapid mixing. The centrifugal water flow formed by the coagulation mixer in the reaction chamber prevents centrifugal deposition of sludge in the reaction chamber from rapid mixing.

Further, the spoiler unit includes a bracket, an electric telescopic rod, a spoiler, a sliding rod, a rack, a rotating shaft and a gear. The vertically equidistant rotational shafts in the third through slot are connected to each other and are arranged longitudinally. Each rotating shaft is fixedly connected to the middle part of the spoiler respectively. The rear end of each rotating shaft is fixedly connected to a gear. The three vertical sliding holes in the partition are slidingly connected to a sliding rod. The bottom end of the sliding rod is connected to the rack. , the rack extends to the inner rear side of slot three and is meshed with the gear. The top of the sliding rod is fixedly connected to the bottom telescopic end of the electric telescopic rod. The top of the electric telescopic rod is installed on the top of the coagulation tank through a bracket.

The bracket is used to install the electric telescopic rod. The expansion and contraction of the electric telescopic rod can drive the sliding rod to move vertically up and down in the sliding hole of the partition 3, thereby driving each gear to rotate forward and backward through the rack, so that the spoiler follows the rotating axis. Swing to change the direction of the water flow entering the flocculation reaction chamber through slot three, and cooperate with the coagulation stirrer in the flocculation reaction chamber to disturb the water flow, so as to avoid the centrifugal effect generated during stirring to deposit sludge at the bottom of the flocculation reaction chamber, and reduce the flocculation reaction. Cavity cleaning frequency.

Further, the magnetic sedimentation unit includes a magnetic sedimentation tank, a water inlet channel, a mud bucket, a mud scraper and a mud outlet channel. There is a water inlet channel on the left side of the magnetic sedimentation tank, and a sedimentation chamber on the right side of the magnetic sedimentation tank. chamber, the bottom of the sedimentation chamber is a tapered structure, the bottom of the water inlet channel is connected with the bottom of the sedimentation chamber, a mud scraper is installed in the sedimentation chamber, the scraper at the bottom of the mud scraper is in contact with the bottom of the sedimentation chamber, the The bottom of the magnetic sedimentation tank is provided with a mud bucket connected to the center of the bottom of the sedimentation chamber, and the bottom of the mud bucket is connected to a mud outlet channel. The scraper can drive the water flow to rotate, causing centrifugal action to make the sludge fall to the bottom of the sedimentation chamber. The scraper scraper scrapes up the sludge through centrifugal action and the sludge falls into the mud bucket, where it can be discharged through the mud outlet channel.

Further, the magnetic precipitation unit also includes an inclined tube, and an inclined tube is provided at the top of the sedimentation chamber. Micro flocs that are difficult to settle are captured by the inclined tube to prevent the micro flocs from floating out.

Further, the magnetic sedimentation unit also includes an overflow weir and a clean water outlet. The right side of the magnetic sedimentation tank is connected to an overflow weir. The right side of the overflow weir is provided with a clean water outlet. Clean water flows from the magnetic sedimentation tank. The top of the sedimentation tank overflows into the overflow weir and is then discharged through the clean water outlet.

Further, the sewage transfer assembly includes a water outlet, a transfer pump and a delivery pipe. A water outlet is provided on the right side of the coagulation tank that is connected to the flocculation reaction chamber. The water outlet is connected to the water inlet channel through a delivery pipe. At the top, the transfer pipe is connected in series with a transfer pump. The transfer pump uses the water outlet and the transfer pipe to move the flocculated sewage in the flocculation reaction chamber into the water inlet channel.

Further, the sludge return unit includes a mud delivery pipe, a return magnetic mud pump and a sludge return pipe. The bottom of the mud outlet channel is connected to the inlet of the return magnetic mud pump through the mud delivery pipe. The return magnetic mud pump The outlet of the mud pump is connected to one end of the sludge return pipe, and the other end of the sludge return pipe extends into the magnetic media coagulation reaction chamber. The return magnetic mud pump causes part of the sludge to flow back into the magnetic media coagulation reaction chamber and participate again. reaction.

Further, the magnetic medium recovery unit includes a second mud conveying pipe, a residual magnetic mud pump, a mud conveying pipe, a deflocculating machine, a mud conveying pipe two, a magnetic recovery machine, a magnetic medium adding pipe and a remaining sludge discharge pipe. The bottom of the mud outlet channel is connected to the inlet of the residual magnetic mud pump through the mud feeding pipe 2, the outlet of the residual magnetic mud pump is connected to the inlet of the deflocculation machine through the mud feeding pipe 1, and the outlet of the flocculation machine is connected through the mud feeding pipe 1. Pipe two is connected to the adding port of the magnetic recovery machine. The magnetic medium outlet of the magnetic recovery machine is connected to one end of the magnetic medium adding pipe. The other end of the magnetic medium adding pipe extends into the magnetic medium coagulation reaction chamber. The magnetic recovery machine The mud outlet of the machine is connected to the residual sludge discharge pipe. The remaining sludge in the mud hopper is transported to the deflocculation machine through the residual magnetic mud pump for deflocculation treatment. The magnetic medium is then recovered through the magnetic recovery machine. The recovered magnetic medium passes through the magnetic medium. The adding pipe is added to the magnetic media coagulation reaction chamber, and the generated sludge without magnetic media is discharged through the remaining sludge discharge pipe.

Compared with the existing technology, the beneficial effects of this utility model are: this magnetic media coagulation and sedimentation system has the following benefits:

The bottom of the rapid mixing reaction chamber can be jet flushed, and the water flow entering the flocculation reaction chamber can be disturbed to evenly disperse the sludge in the sewage. This can avoid the deposition of sludge in the rapid mixing reaction chamber and the flocculation reaction chamber, and reduce the cleaning work. , save worry and effort.

Description of the drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a schematic structural diagram of the coagulation unit of the present utility model;

Figure 3 is a partially enlarged structural schematic diagram of position A in Figure 2 of the present invention.

In the picture: 1 sewage water inlet, 2 coagulant adding unit, 21 coagulant tank, 22 coagulant agitator, 23 coagulant adding pump, 24 coagulant adding pipe, 3 coagulant adding unit, 31 Coagulant tank, 32 coagulant mixer, 33 coagulant addition pump, 34 coagulant addition pipe, 4 coagulation unit, 41 coagulation pool, 42 partition one, 43 partition two, 44 partition three , 45 coagulation mixer, 46 diversion angle block, 47 arc diversion block, 48 jet nozzle, 49 diversion pipe, 410 sewage booster pump, 411 pipe joint, 5 sewage transfer assembly, 51 water outlet, 52 Transfer pump, 53 conveying pipe, 6 magnetic sedimentation unit, 61 magnetic sedimentation tank, 62 water inlet channel, 63 mud bucket, 64 mud scraper, 65 inclined pipe, 66 overflow weir, 67 clean water outlet, 68 mud outlet channel, 7 sludge return unit, 71 mud delivery pipeline one, 72 return magnetic mud pump, 73 sludge return pipe, 8 magnetic medium recovery unit, 81 mud delivery pipeline two, 82 residual magnetic mud pump, 83 mud delivery pipe one, 84 solution Flocking machine, 85 sludge conveying pipe 2, 86 magnetic recovery machine, 87 magnetic medium adding pipe, 88 remaining sludge discharge pipe, 9 spoiler unit, 91 bracket, 92 electric telescopic rod, 93 spoiler, 94 sliding rod, 95 Rack, 96 rotating shaft, 97 gear.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Embodiment 1, please refer to Figures 1-3. The present utility model provides a technical solution: a magnetic media coagulation and sedimentation system, including:

The coagulation unit 4 includes a coagulation tank 41. The coagulation tank 41 is provided with partitions one 42, two partitions 43 and three partitions 44 from left to right. The third plate 44 divides the coagulation tank 41 into an inlet weir, a rapid mixing reaction chamber, a magnetic media coagulation reaction chamber and a flocculation reaction chamber distributed in sequence from left to right. The bottoms of the water inlet weir and the rapid mixing reaction chamber are separated by partitions. The through groove one opened on the bottom side of plate one 42 is connected, and the top of the rapid mixing reaction chamber and the magnetic medium coagulation reaction chamber are connected through the through groove two opened on the top side of the partition plate two 43. The magnetic medium coagulation reaction chamber and the flocculation reaction chamber are connected. The bottom is connected through the slot three opened at the bottom of the partition three 44. A coagulation stirrer 45 is installed in the rapid mixing reaction chamber, the magnetic medium coagulation reaction chamber and the flocculation reaction chamber respectively. The left side of the coagulation tank 41 is provided with a The sewage inlet 1 connected to the water inlet weir is provided with a diversion corner block 46 at the left bottom of the second partition 43, an arc diversion groove is provided at the upper left corner of the diversion corner block 46, and the middle right side of the partition one 42 is An arc-shaped guide block 47 is provided, and a jet nozzle 48 corresponding to the slot is provided on the left side of the bottom of the water inlet weir;

The coagulation unit 4 also includes a diversion pipe 49, a sewage booster pump 410 and a pipe joint 411. The nozzle 48 is connected to the outlet of the sewage booster pump 410 through the diversion pipe 49, and a pipeline is installed at the inlet of the sewage booster pump 410. Connector 411. The pipe joint 411 is connected to the external sludge pipe. The sewage booster pump 410 pressurizes the sewage, and then sends it into the spray nozzle 48 through the diversion pipe 49. The spray nozzle 48 is aligned with the channel and sprayed into the rapid mixing reaction chamber. At the bottom, the centrifugal water flow formed by the coagulation stirrer 45 in the rapid mixing reaction chamber is disturbed to avoid centrifugal deposition of sludge in the rapid mixing reaction chamber.

Spoiler unit 9, installed in slot three;

The spoiler unit 9 includes a bracket 91, an electric telescopic rod 92, a spoiler 93, a sliding rod 94, a rack 95, a rotating shaft 96 and a gear 97. There are longitudinally arranged rotating shafts 96 connected vertically and equidistantly in the slot three. , each rotating shaft 96 is fixedly connected to the middle part of the spoiler 93 respectively, the rear end of each rotating shaft 96 is fixedly connected to a gear 97, and a sliding rod 94 is slidingly connected in the vertical sliding hole in the partition 344. The bottom end of 94 is connected to the rack 95. The rack 95 extends to the inner rear side of the through slot 3 and is meshed with the gear 97. The top end of the sliding rod 94 is fixedly connected to the bottom telescopic end of the electric telescopic rod 92, and the top of the electric telescopic rod 92 passes through The bracket 91 is installed on the top of the coagulation tank 41 .

The bracket 91 is used to install the electric telescopic rod 92. The expansion and contraction of the electric telescopic rod 92 can drive the sliding rod 94 to move vertically up and down in the sliding hole of the partition 344, thereby driving each gear 97 to rotate forward and backward through the rack 95, thereby The spoiler 93 is made to swing with the rotating shaft 96 to change the direction of the water flow entering the flocculation reaction chamber through the slot 3, and the coagulation stirrer 45 in the flocculation reaction chamber is used to disrupt the water flow to avoid the centrifugal effect generated during stirring, which causes the sludge to flow into the flocculation reaction chamber. The bottom of the flocculation reaction chamber is deposited, reducing the cleaning frequency of the flocculation reaction chamber.

The left side of the magnetic precipitation unit 6 is connected to the flocculation reaction chamber at the right end of the coagulation tank 41 through the sewage transfer assembly 5. The bottom of the magnetic precipitation unit 6 is connected to the sludge return unit 7 and the magnetic medium recovery unit 8 respectively.

The magnetic sedimentation unit 6 includes a magnetic sedimentation tank 61, a water inlet channel 62, a mud bucket 63, a mud scraper 64 and a mud outlet channel 68. A water inlet channel 62 is provided on the left side of the magnetic sedimentation tank 61, and there is a water inlet channel 62 in the magnetic sedimentation tank 61. The right side is the sedimentation chamber. The bottom of the sedimentation chamber is a tapered structure. The bottom of the water inlet channel 62 is connected with the bottom of the sedimentation chamber. A mud scraper 64 is installed in the sedimentation chamber. The scraper at the bottom of the mud scraper 64 is in contact with the bottom of the sedimentation chamber. The bottom of the magnetic sedimentation tank 61 is in contact with a mud bucket 63 connected to the center of the bottom of the sedimentation chamber. The bottom of the mud bucket 63 is connected to the mud outlet channel 68 . The mud scraper 64 can drive the water flow to rotate and produce centrifugal action to make the sludge fall to the bottom of the sedimentation chamber. The scraper of the mud scraper 64 scrapes up the sludge and the sludge falls into the mud bucket 63 through centrifugal action. Channel 68 discharges.

The magnetic precipitation unit 6 also includes an inclined tube 65. The inclined tube 65 is provided at the top of the sedimentation chamber. The tiny flocs that are not easy to settle are captured by the inclined tube to prevent the tiny flocs from floating out.

The magnetic precipitation unit 6 also includes an overflow weir 66 and a clean water outlet 67. The overflow weir 66 is connected to the right side of the magnetic sedimentation tank 61, and a clean water outlet 67 is provided on the right side of the overflow weir 66. Clean water flows from the magnetic sedimentation tank 61 to the overflow weir 66. The top of the sedimentation tank 61 overflows into the overflow weir 66 and is then discharged through the clean water outlet 67 .

The sewage transfer assembly 5 includes a water outlet 51, a transfer pump 52 and a delivery pipe 53. The right side of the coagulation tank 41 is provided with a water outlet 51 connected to the flocculation reaction chamber. The water outlet 51 is connected to the water inlet channel 62 through the delivery pipe 53. At the top, a transfer pump 52 is connected in series to the delivery pipe 53. The transfer pump 52 uses the water outlet 51 and the delivery pipe 53 to transport the flocculated sewage in the flocculation reaction chamber into the water inlet channel 62.

When in use, sewage enters the water inlet weir through the sewage inlet 1 and the spray nozzle 48, and coagulant is added to the water inlet weir. Mixing reaction chamber, mixing water and coagulant through coagulation mixer 45;

The spray nozzle 48 sprays the sewage towards the channel to promote the flow rate of the water in the channel and the rapid mixing reaction chamber. The water flows upward after hitting the diversion corner block 46, and can be reduced by the arc-shaped diversion block 47. The amount of water flowing downward from the tumbling flow can impact the bottom of the rapid mixing reaction chamber to avoid sludge deposition at the bottom of the rapid mixing reaction chamber;

The mixed water and coagulant enter the magnetic media coagulation reaction chamber through slot 2, add magnetic media into the magnetic media coagulation reaction chamber through the magnetic media recovery unit 8, and then pass through the magnetic media coagulation reaction chamber. After stirring by the coagulation stirrer 45, it enters the flocculation reaction chamber through slot three;

Add a coagulant to the flocculation reaction chamber and cooperate with the coagulation mixer 45 in the flocculation reaction chamber to promote the coagulation of sludge into flocculation;

The flow disturbance unit 9 can change the direction of the water flow into the flocculation reaction chamber, which can prevent sludge from being deposited at the bottom of the flocculation reaction chamber, so that sewage and flocculation can smoothly flow into the magnetic precipitation unit 6 through the sewage transfer assembly 5 and settle in the magnetic precipitation unit 6;

A part of the sludge in the magnetic precipitation unit 6 flows back into the magnetic media coagulation reaction chamber through the sludge return unit 7, and the other part of the sludge recovers the magnetic media through the magnetic media recovery unit 8 and re-adds it to the magnetic media coagulation reaction chamber, and the sludge is discharged .

Embodiment 2. Please refer to Figures 1-3. The present utility model provides a technical solution: a magnetic media coagulation and sedimentation system. This embodiment is a further explanation of Embodiment 1;

The sludge return unit 7 includes a mud feed pipe 71, a return magnetic mud pump 72 and a sludge return pipe 73. The bottom of the mud outlet channel 68 is connected to the inlet of the return magnetic mud pump 72 through the mud feed pipe 71. The return magnetic mud pump The outlet of 72 is connected to one end of the sludge return pipe 73, and the other end of the sludge return pipe 73 extends into the magnetic medium coagulation reaction chamber. The return magnetic mud pump 72 causes part of the sludge to flow back into the magnetic medium coagulation reaction chamber and participate again. reaction.

The magnetic medium recovery unit 8 includes a mud conveying pipe 81, a residual magnetic mud pump 82, a mud conveying pipe 83, a flocculation machine 84, a mud conveying pipe 85, a magnetic recovery machine 86, a magnetic medium adding pipe 87 and remaining sludge. The discharge pipe 88 and the bottom of the mud outlet channel 68 are connected to the inlet of the residual magnetic mud pump 82 through the mud feeding pipe 81, and the outlet of the residual magnetic mud pump 82 is connected to the inlet of the deflocculating machine 84 through the mud feeding pipe 83. The outlet is connected to the adding port of the magnetic recovery machine 86 through the mud transport pipe 285. The magnetic medium outlet of the magnetic recovery machine 86 is connected to one end of the magnetic medium adding pipe 87, and the other end of the magnetic medium adding pipe 87 extends to the magnetic medium coagulation reaction chamber. Inside, the mud outlet of the magnetic recovery machine 86 is connected to the residual sludge discharge pipe 88. The remaining sludge in the mud hopper 63 is transported to the deflocculation machine 84 through the residual magnetic mud pump 82 for deflocculation treatment, and then recovered through the magnetic recovery machine 86 Magnetic media, the recovered magnetic media is added to the magnetic media coagulation reaction chamber through the magnetic media adding pipe 87, and the generated sludge without magnetic media is discharged through the remaining sludge discharge pipe 88.

In other embodiments, it also includes a coagulant adding unit 2 and a coagulant adding unit 3. The coagulant adding unit 2 includes a coagulant tank 21, a coagulant mixer 22, a coagulant adding pump 23, Coagulant adding pipe 24, a coagulant agitator 22 is installed in the coagulant tank 21, the outlet at the bottom side of the coagulant tank 21 is connected to the inlet of the coagulant adding pump 23, and the outlet of the coagulant adding pump 23 is connected to the coagulating aid. One end of the coagulant addition pipe 24 and the other end of the coagulant addition pipe 24 extend to the flocculation reaction chamber. The coagulant agitator 22 is used to assist in stirring the coagulant in the coagulant tank 21. The coagulant addition pump 23 Add the coagulant in the coagulant tank 21 into the flocculation reaction chamber through the coagulant adding pipe 24 to promote the formation of sewage flocculation;

The coagulant adding unit 3 includes a coagulant tank 31, a coagulant stirrer 32, a coagulant adding pump 33, and a coagulant adding pipe 34. The coagulant stirrer 32 is installed in the coagulant tank 31. The outlet on the bottom side of the coagulant tank 31 is connected to the inlet of the coagulant addition pump 33. The outlet of the coagulant addition pump 33 is connected to one end of the coagulant addition pipe 34. The other end of the coagulant addition pipe 34 extends to the incoming water. The bottom of the weir, and the end of the coagulant adding pipe 34 corresponds to the spray nozzle 48. The coagulant stirrer 32 is used to stir the coagulant in the coagulant tank 31, and then the coagulant adding pump 33 The coagulant is added to the bottom of the water inlet weir through the coagulant adding pipe 34, and the sewage flow sprayed through the spray nozzle 48 is added to the rapid mixing reaction chamber to mix with the sewage.

It is worth noting that in the above embodiment, the sewage booster pump 410, the electric telescopic rod 92, the coagulation stirrer 45, the transfer pump 52, the return magnetic mud pump 72, the residual magnetic mud pump 82, the magnetic recovery machine 86, and the deflocculation machine 84 , the coagulant agitator 22 and the coagulant agitator 32 are controlled by an external PLC controller, and the control method adopts existing technology;

Magnetic coagulation process: The water to be treated is lifted by the pump to the coagulation unit 4, and introduced into the sewage inlet 1. It first enters the rapid mixing reaction chamber, adds coagulant in a certain proportion, mixes thoroughly, and then flows into the magnetic media coagulation reaction chamber by gravity. , add magnetic medium and reflux magnetic mud, stir at a constant speed through the coagulation stirrer 45 to form small flocs, and then enter the flocculation reaction chamber, then add coagulants in a certain proportion, and mix evenly to form dense flocs wrapping the magnetic medium;

Magnetic precipitation process: The dense floc wrapped in magnetic media enters the magnetic sedimentation tank 61 and quickly settles to the sludge area at the bottom of the tank under the action of gravity. The tiny flocs that are difficult to settle are captured by the inclined tube. Finally, high-quality clean water flows from the magnetic sedimentation tank 61 The overflow weir 66 at the top collects and discharges the overflow. Part of the magnetic mud in the bottom sludge area flows back to the magnetic media coagulation reaction chamber through the magnetic mud pump, and the remaining part enters the magnetic media recovery unit 8.

Magnetic recovery process: The remaining magnetic mud is first efficiently dispersed into magnetic media and remaining sludge through the deflocculation machine 84. The magnetic media is recovered by the magnetic recovery machine 86 to the magnetic media coagulation reaction chamber for recycling, and the remaining sludge enters Sludge dewatering system.

The coagulation system is the key system to realize magnetic coagulation technology. Magnetic coagulation technology is to add special magnetic media and magnetic powder to the raw water, so that the magnetic media forms flocs with the suspended solids in the raw water under the action of the coagulant. The floc formed is a mixture of magnetic media and suspended matter with magnetic media as the "core". The coagulation system provides the necessary mechanical stirring and hydraulic retention time for the coagulation reaction. The magnetic flocs formed after the reaction of the coagulation system flow into the magnetic precipitation unit 6;

The coagulated magnetic floc flows into the magnetic sedimentation unit 6 by gravity, and the purpose of rapid separation of mud and water is achieved through the action of the magnetic sedimentation tank 61. The magnetic sedimentation unit 6 mainly consists of a magnetic sedimentation tank 61, a mud scraper 64, an overflow weir 66, and an inclined pipe 65. After the magnetic flocs are deposited at the bottom of the pool, the magnetic flocs need to be scraped into the mud bucket 63 by the action of the mud scraper 64, and the inclined tube 65 is mainly to ensure that the tiny flocs are brought out with the water flow, affecting the sedimentation effect. The size 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 entire system and the final water output effect.

The pharmaceutical preparation and dosing unit mainly consists of PAC preparation, PAC metering unit, PAM preparation and PAM metering unit. The dosage of PAC and PAM is mainly determined based on preliminary small tests and system debugging.

There are two main forms of PAC preparation device, one is to add liquid after dilution, and the other is to use on-site dry powder to prepare a solution for dosing. The PAC preparation box is made of fiberglass for anti-corrosion treatment. The chemicals in the PAC local mixing box are quantitatively added to the first-stage mixing box of the coagulation system through the pump of the metering unit. When PAC is configured, it is generally configured according to a 10% concentration. After the dry powder is added into the mixing box, it is mixed with a certain proportion of water. The mixing time should be greater than 30 minutes.

PAM automatic medicine brewing machine and dosing device is a device developed and manufactured by introducing advanced technology to prepare powdery particles into a solution of a certain concentration. It is especially suitable for the preparation of high molecular polymer solutions. The device has manual and automatic modes. In manual operation mode, users can adjust the dosage of the dry powder dosing machine, the amount of water inlet, and start/stop the dry powder dosing machine, stirrer, and solenoid valve according to their own needs. In the automatic operation mode, the equipment can continuously and automatically prepare solutions at a constant concentration. The start and stop of solution preparation is completed through the liquid level controller installed in the liquid storage tank. When the solution in the liquid storage tank is at low When the liquid level is high, the liquid level controller sends a signal to open the solenoid valve on the water inlet pipe, and after a delay of tens of seconds, the dry powder dosing machine is started, and the dissolving tank mixer and the aging tank mixer are started at the same time for solution preparation; when the liquid storage tank When the solution in the liquid reaches the high level of the liquid storage tank, the liquid level control sends a signal to close the solenoid valve on the water inlet pipe to stop water inflow. At the same time, the dry powder dosing machine is closed to stop adding powder. After a delay, the mixer stops working. Stop solution preparation.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A magnetic media coagulation and sedimentation system, characterized in that it includes: The coagulation unit (4) includes a coagulation tank (41). The coagulation tank (41) is provided with partition one (42), partition two (43) and partition three (42) from left to right. 44), the first partition (42), the second partition (43) and the third partition (44) divide the coagulation tank (41) into an inlet weir and a rapid mixing reaction chamber distributed from left to right. , the magnetic medium coagulation reaction chamber and the flocculation reaction chamber, the water inlet weir and the bottom of the rapid mixing reaction chamber are connected through a slot opened on the bottom side of the partition (42), and the rapid mixing reaction chamber and the magnetic medium coagulation reaction chamber The top is connected through the slot two opened on the top side of the partition plate two (43). The bottom of the magnetic medium coagulation reaction chamber and the flocculation reaction chamber are connected through the slot three opened at the bottom of the partition plate three (44). The rapid mixing reaction chamber, A coagulation stirrer (45) is installed in the magnetic media coagulation reaction chamber and the flocculation reaction chamber respectively. A sewage inlet (1) connected to the water inlet weir is provided on the left side of the coagulation tank (41). Two partitions ( 43) is provided with a diversion corner block (46) at the left bottom, an arc-shaped diversion block (47) is provided at the middle right side of the partition one (42), and a diversion angle block (47) is provided at the left side of the bottom of the inlet weir corresponding to the channel one The jet nozzle (48); Spoiler unit (9), installed in slot three; The left side of the magnetic precipitation unit (6) is connected to the flocculation reaction chamber at the right end of the coagulation tank (41) through the sewage transfer assembly (5). The bottom of the magnetic precipitation unit (6) is connected to the sludge return unit (7) and the magnetic medium respectively. Recycling unit (8). 2. A magnetic media coagulation and sedimentation system according to claim 1, characterized in that: the coagulation unit (4) also includes a diversion pipe (49), a sewage booster pump (410) and a pipe joint (411), the jet nozzle (48) is connected to the outlet of the sewage booster pump (410) through the diversion pipe (49), and a pipeline joint (411) is installed at the inlet of the sewage booster pump (410). 3. A magnetic media coagulation and sedimentation system according to claim 1, characterized in that: the spoiler unit (9) includes a bracket (91), an electric telescopic rod (92), and a spoiler (93) , sliding rod (94), rack (95), rotating shaft (96) and gear (97). The vertically equidistant rotations in the three through slots are connected with longitudinally arranged rotating shafts (96). Each rotating shaft (96) ) are respectively fixedly connected to the middle part of the spoiler (93), the rear end of each rotating shaft (96) is fixedly connected to a gear (97), and the vertical sliding hole in the partition plate (44) is slidingly connected to The sliding rod (94), the bottom end of the sliding rod (94) is connected to the rack (95), the rack (95) extends to the rear side of the through slot three and is meshed with the gear (97), and the sliding rod (94) The top end of the electric telescopic rod (92) is fixedly connected to the bottom telescopic end of the electric telescopic rod (92), and the top of the electric telescopic rod (92) is installed on the top of the coagulation tank (41) through the bracket (91). 4. A magnetic media coagulation and sedimentation system according to claim 1, characterized in that: the magnetic sedimentation unit (6) includes a magnetic sedimentation tank (61), a water inlet channel (62), and a mud bucket (63) ), a mud scraper (64) and a mud outlet channel (68). There is a water inlet channel (62) on the left side of the magnetic sedimentation tank (61), and a sedimentation chamber on the right side of the magnetic sedimentation tank (61). The bottom of the sedimentation chamber is a tapered structure, and the bottom of the water inlet channel (62) is connected with the bottom of the sedimentation chamber. A mud scraper (64) is installed in the sedimentation chamber. The scraper at the bottom of the mud scraper (64) is in contact with the sedimentation chamber. The bottom of the chamber is in contact with each other. The bottom of the magnetic sedimentation tank (61) is provided with a mud bucket (63) connected to the center of the bottom of the sedimentation chamber. The bottom of the mud bucket (63) is connected to the mud outlet channel (68). 5. A magnetic media coagulation and precipitation system according to claim 4, characterized in that: the magnetic precipitation unit (6) also includes an inclined tube (65), and an inclined tube (65) is provided at the top of the precipitation chamber. 65). 6. A magnetic media coagulation and sedimentation system according to claim 4, characterized in that: the magnetic sedimentation unit (6) also includes an overflow weir (66) and a purified water outlet (67). The right side of the sedimentation tank (61) is connected to an overflow weir (66), and a clean water outlet (67) is provided on the right side of the overflow weir (66). 7. A magnetic media coagulation and sedimentation system according to claim 4, characterized in that: the sewage transfer assembly (5) includes a water outlet (51), a transfer pump (52) and a delivery pipe (53), A water outlet (51) connected to the flocculation reaction chamber is provided on the right side of the coagulation tank (41). The water outlet (51) is connected to the top of the water inlet channel (62) through a delivery pipe (53). A transfer pump (52) is connected in series to the delivery pipe (53). 8. A magnetic media coagulation and sedimentation system according to claim 4, characterized in that: the sludge return unit (7) includes a mud feeding pipe (71), a return magnetic mud pump (72) and a sludge return pipe. Mud return pipe (73), the bottom of the mud outlet channel (68) is connected to the inlet of the return magnetic mud pump (72) through the mud feeding pipe (71), and the outlet of the return magnetic mud pump (72) is connected to the sludge One end of the return pipe (73) and the other end of the sludge return pipe (73) extend into the magnetic medium coagulation reaction chamber. 9. A magnetic medium coagulation and sedimentation system according to claim 4, characterized in that: the magnetic medium recovery unit (8) includes two mud feeding pipes (81), a residual magnetic mud pump (82), a Mud pipe one (83), flocculation machine (84), mud conveying pipe two (85), magnetic recovery machine (86), magnetic medium adding pipe (87) and remaining sludge discharge pipe (88). The bottom of the channel (68) is connected to the inlet of the residual magnetic mud pump (82) through the second mud conveying pipe (81), and the outlet of the residual magnetic mud pump (82) is connected to the deflocculation machine (84) through the mud conveying pipe one (83). ), the outlet of the flocculation machine (84) is connected to the adding port of the magnetic recovery machine (86) through the second mud conveying pipe (85), and the magnetic medium outlet of the magnetic recovery machine (86) is connected to the magnetic medium adding pipe. (87), the other end of the magnetic medium adding pipe (87) extends into the magnetic medium coagulation reaction chamber, and the sludge outlet of the magnetic recovery machine (86) is connected to the remaining sludge discharge pipe (88).