Fluorine-containing wastewater treatment device with multistage filtering function
Technical Field
The application relates to the technical field of wastewater treatment, in particular to a fluorine-containing wastewater treatment device with a multistage filtering function.
Background
In the industrial field, fluoride in ore can escape and blend into waste water at high temperature like nonferrous metal smelting, fluoride-containing raw materials are used in the manufacturing process of phosphate fertilizer and fluoride chemical products in the chemical industry, the discharged waste water also contains high-concentration fluoride ions, the fluoride-containing waste water is generated in the chip manufacturing and liquid crystal panel production links of the electronic industry due to the use of reagents such as hydrofluoric acid and the like, coal is burnt and garbage burned in life, and released fluoride enters a water body through rain wash and the like. The treatment of the fluorine-containing wastewater is necessary, and from the viewpoint of environmental protection, the high-concentration fluorine ions are directly discharged without treatment to harm the ecology of water bodies, poison aquatic organisms and destroy ecological balance, and can pollute soil and influence soil fertility and crop growth.
The prior fluorine-containing wastewater treatment technology has the problems of heavy weight, slow sedimentation, easy interference, difficult achievement of the standard of the fluorine content of the effluent, high energy consumption of the air floatation device, fragile flocs, excessive experience of medicament addition, easy waste and uneven treatment, lack of automation in subsequent filtration, complicated active carbon replacement and frequent absorption failure of the wastewater. Aiming at the pain points, the application realizes the high efficiency and environmental protection of fluorine-containing wastewater treatment by innovative designs of precise flocculation, automatic control, high-efficiency filtration, active carbon self-exchange and the like.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a fluorine-containing wastewater treatment device with a multistage filtering function, which solves the problems of low fluorine-containing wastewater treatment efficiency and high energy consumption in the prior art.
The fluorine-containing wastewater treatment device with the multistage filtering function comprises a flocculation tank, a water purifying tank for storing purified water is arranged below the flocculation tank, a bearing frame is fixedly connected to the top end of the flocculation tank, a speed reducing motor is fixedly connected to the middle of the top end of the bearing frame, a rotating shaft is fixedly connected to the driving end of the speed reducing motor, a sliding rod is connected to the bottom end of the rotating shaft through an elbow, a hollow screw is sleeved outside the rotating shaft, a connecting frame is fixedly connected to the top end of the hollow screw, the top end of the connecting frame is fixedly connected to the bottom end of the bearing frame, a thread disc is connected to the outer wall thread of the hollow screw, the sliding rod penetrates through the inner wall of the thread disc, a placing frame is fixedly connected to the side wall of the thread disc, a stirring assembly is arranged at the top end of the placing frame, and a filtering assembly is arranged inside the placing frame;
The device also comprises a blanking component for throwing flocculant, wherein the blanking component is arranged on one side of the bearing frame;
The valve component is arranged on the other side of the bearing frame;
and the adsorption component is used for adsorbing and filtering and is arranged below the valve component.
Preferably, the stirring assembly comprises a plurality of stirring rods fixedly connected around the placement frame, stirring paddles are fixedly connected to the end parts of the stirring rods, and the stirring paddles are obliquely arranged.
Preferably, the filter assembly comprises two semicircular filter frames, the two filter frames are spliced and placed in the rack, and the filter screens are mounted on the inner walls of the filter frames.
Preferably, the unloading subassembly includes fixed connection at the feedwell of loading boom one side, the top one side fixedly connected with inlet tube of feedwell, the top opposite side fixedly connected with storage vat of feedwell, the inner wall fixedly connected with baffle of feedwell, the inner wall of baffle rotates and is connected with the transfer line, the below fixedly connected with of inlet tube is corresponding to outer wall one side of transfer line a plurality of driving paddles, the body of rod opposite side of transfer line corresponds the below fixedly connected with baffle of storage vat, at least one unloading cup is installed to the inner wall of baffle, the surface of baffle is pressed close to with the inner wall of feedwell.
Preferably, a discharging pipe is fixedly connected to one side of the bottom end of the feeding barrel, which corresponds to the lower part of the baffle ring, a water outlet pipe is fixedly connected to the other side of the bottom end of the feeding barrel, which corresponds to the lower part of the transmission paddle, and a detachable screen is installed on the inner wall of the water outlet pipe.
Preferably, the valve assembly comprises a valve seat fixedly connected to one side of the bottom of the flocculation tank, the top of the valve seat is fixedly connected with a valve head, the inner wall of the valve head is slidably connected with a valve rod, the bottom end of the valve rod is fixedly connected with a valve plate, the outer wall of the valve rod is fixedly connected with a stop block, the outer wall of the valve rod is provided with a spring corresponding to the cavity inner sleeve of the valve head, the top end of the valve rod is provided with an elbow, and the bottom of the elbow is close to the inner wall of the flocculation tank.
Preferably, the bottom of valve rod elbow is installed the gyro wheel, its edge can be with the bottom contact of gyro wheel when the rack rises, the inner wall of disk seat corresponds the both sides of valve block and all fixedly connected with sealing washer.
Preferably, the adsorption component comprises a rotating rod which is rotationally connected to one side of the bottom end of the flocculation tank, the two sides of the outer wall of the rotating rod are fixedly connected with limiting rods, a bearing frame is fixedly connected to the end part of the rotating rod, a standing groove is formed in the inner wall of the bearing frame, a plurality of guide wheels are mounted on the two sides of the standing groove, a connecting rod is fixedly connected to one side of the bottom end of the bearing frame, a floating ball is fixedly connected to the bottom end of the connecting rod, an activated carbon component is placed in the bearing frame, and a storage component for storing the activated carbon component is mounted on the outer wall of the water purifying tank.
Preferably, the activated carbon component comprises an adsorption frame, the size of the adsorption frame is matched with the inner placing groove of the bearing frame, filter cloth is fixedly connected to two sides of the inner wall of the adsorption frame, and an activated carbon layer is filled between the filter cloth.
Preferably, the storage component comprises a mounting frame fixedly connected to the side wall of the water purifying pond, a storage box is fixedly connected to the top end of the mounting frame and is obliquely arranged, a storage tank is formed in the storage box, and two arc-shaped baffle plates for blocking the storage tank are arranged on one side, close to the storage box, of the top end of the bearing frame.
Working principle: the fluorine-containing wastewater is pumped into a water inlet pipe through external equipment, obvious particulate matters and other impurities are removed through a water outlet pipe with a screen, and then enters a flocculation tank to finish primary filtration, in the process that the fluorine-containing wastewater flows from the water inlet pipe to the water outlet pipe, a transmission paddle is driven to overturn due to the impact of water flow, so that a transmission rod drives a baffle ring to rotate, in the process that the baffle ring rotates, a flocculating agent in a storage bucket can enter a blanking cup, the baffle ring continuously rotates, the flocculating agent in the blanking cup enters the flocculation tank through a discharging pipe, the adding amount of the flocculating agent can be correspondingly regulated according to the water inflow, the flocculating agent and the fluorine-containing wastewater enter the flocculation tank to perform flocculation reaction, a rotating shaft and a sliding rod are driven to rotate through a reducing motor after the flocculating matter is separated out, so that a thread disc and a placing rack are driven to rotate, and the placing rack is further lifted up, the flocculating matter is filtered through a filter screen, meanwhile, the low-speed rotation of the stirring paddle can further mix fluorine-containing wastewater with the flocculating agent without damaging floc, when the rack is lifted to the top of the hollow screw, the treated water and the floc are separated by the filter screen, the filter frame is taken out to clean the filter screen, meanwhile, the rack jacks up the valve rod, the valve rod drives the valve plate to lift up, so that the valve seat is communicated with the flocculating tank, the treated water is discharged from the flocculating tank, after the water is discharged, the gear motor reversely rotates, the rack descends and resets to the bottom of the flocculating tank, meanwhile, the valve plate is driven by the spring to be closed, the discharged water enters the water purifying tank after being adsorbed and filtered by the active carbon layer in the adsorption frame, the floating ball is jacked up and drives the bearing frame to deflect and incline in the opposite direction along with the rising of the water level in the water purifying tank, at the moment, the two sides of the arc-shaped baffle plates block the new adsorption frame temporarily stored in the storage box to slide out, the inside absorption frame that places of loading board is automatic to be slipped, after the water in the water purification pond is discharged, the loading frame deflects under the action of the gravity of connecting rod and floater and resets, the opening of storage box is just to the standing groove of loading frame this moment, the inside of loading frame is automatically slipped to its inside new absorption frame, accomplish the automatic change of active carbon subassembly, be convenient for the next time to the absorption treatment of sewage, the bottom of tip contact flocculation tank is spacing when the loading frame rotates through the gag lever post in the deflection process, control deflection angle, can make fluorine-containing waste water pass through screen cloth in proper order through the above-mentioned operation, the triple filtration on filter screen and active carbon layer realizes fluorine-containing waste water's high-efficient purification.
The application provides a fluorine-containing wastewater treatment device with a multistage filtering function. The beneficial effects are as follows:
1. the device has compact and efficient treatment flow, is matched with a low-speed stirring paddle to strengthen mixing, accelerates the generation of floccules, utilizes a screw transmission lifting rack, accurately separates water and floccules from a filter screen, greatly shortens time consumption compared with the traditional flocculation precipitation and air floatation method, ensures that the addition amount of the flocculant can be matched with the water inflow, is more beneficial to the full mixing of the flocculant and fluorine-containing wastewater by adding the flocculant at intervals, and ensures that each link is in seamless connection, and the wastewater purification efficiency is obviously improved.
2. The application automatically runs through the whole process from the water inlet of wastewater, the addition of flocculant, the water discharge and the replacement of activated carbon, the lifting of the rack is linked with the water discharge of the valve, the automatic replacement of the activated carbon by the induction of the floating ball for water replacement does not need to be manually operated frequently, the equipment runs continuously, the labor is saved, the operation is only performed by using a speed reducing motor, the low-carbon environment-friendly treatment is realized, and the fluorine-containing wastewater is treated rapidly and uninterruptedly, so that the overall working efficiency is greatly improved.
3. The application adopts three-stage filtering means, wherein the first stage adopts a screen to filter the fluorine-containing wastewater to remove large-particle impurities, lays a foundation for subsequent purification, the second stage adopts a flocculation method to enable fluorine ions in the wastewater and other impurities to form floccule precipitation and filter and separate, and the third stage further adsorbs fluorine ions and other pollutants through active carbon, so that the water purifying effect is remarkable.
Drawings
FIG. 1 is a perspective view of the present application;
FIG. 2 is a schematic diagram of the internal structure of the flocculation basin of the present application;
FIG. 3 is a schematic view of a rack structure according to the present application;
FIG. 4 is a schematic diagram of a blanking assembly according to the present application;
FIG. 5 is a schematic view of a valve assembly according to the present application;
FIG. 6 is a schematic diagram of an adsorption module according to the present application;
FIG. 7 is a schematic view of the structure of the activated carbon module of the present application.
Wherein, 1, flocculation tank, 2, bearing frame, 3, feeding barrel, 4, gear motor, 5, valve rod, 6, valve head, 7, bearing frame, 8, installation frame, 9, box, 10, clean water tank, 11, connecting frame, 12, hollow screw, 13, placing frame, 14, slide bar, 15, roller, 16, rotating shaft, 17, filtering frame, 18, filter screen, 19, screw disc, 20, stirring rod, 21, stirring paddle, 22, transmission paddle, 23, water inlet pipe, 24, partition board, 25, storage barrel, 26, blanking cup, 27, transmission rod, 28, baffle ring, 29, discharging pipe, 30, water outlet pipe, 31, spring, 32, baffle plate, 33, valve seat, 34, valve plate, 35, sealing ring, 36, guide wheel, 37, adsorption frame, 38, connecting rod, 39, floating ball, 40, rotating rod, 41, limit rod, 42, arc baffle plate, 43, filter cloth, 44 and active carbon layer.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples:
Referring to fig. 1-3, an embodiment of the application provides a fluorine-containing wastewater treatment device with a multistage filtering function, which comprises a flocculation tank 1, wherein a water purifying tank 10 for storing purified water is installed below the flocculation tank 1, a water outlet with a sealing cover is arranged at the bottom of the water purifying tank 10, a bearing frame 2 is fixedly connected to the top end of the flocculation tank 1, a reducing motor 4 is fixedly connected to the middle part of the top end of the bearing frame 2, a rotating shaft 16 is fixedly connected to the driving end of the reducing motor 4, the bottom end of the rotating shaft 16 is connected with a slide bar 14 through an elbow, a hollow screw 12 is sleeved outside the rotating shaft 16, the top end of the hollow screw 12 is fixedly connected with a connecting frame 11, the top end of the connecting frame 11 is fixedly connected to the bottom end of the bearing frame 2, a threaded disc 19 is connected to the outer wall of the hollow screw 12 in a threaded manner, the slide bar 14 penetrates through the inner wall of the threaded disc 19, a placing frame 13 is fixedly connected to the side wall of the threaded disc 19, a stirring assembly is installed at the top end of the placing frame 13, a filter assembly is installed inside the placing frame 13, the stirring assembly comprises a plurality of stirring rods 20 fixedly connected to the periphery of the placing frame 13, the stirring rods 20 are fixedly connected to the ends of the stirring paddles 21, the stirring paddles 21 are obliquely arranged, the stirring assemblies comprise two filter frames 17 and the two filter frames 17 are installed inside the two filter frames 17, and the two filter frames 17 are installed inside the two filter frames 17.
Specifically, flocculation reaction takes place after flocculating agent and fluorine-containing waste water get into flocculation tank 1, reaction time is 5-8 minutes, the floccule is separated out the back and is driven pivot 16 and slide bar 14 through gear motor 4 and rotate, gear motor 4 provides stable controllable power, guarantee the accurate execution of follow-up action, thereby drive screw thread dish 19 and rack 13 and rotate, because screw thread dish 19 and hollow screw 12 threaded connection, and then realize rack 13 rising, filter the floccule through filter screen 18, the low-speed rotation of stirring rake 21 can further mix fluorine-containing waste water and flocculating agent and can not destroy the floccule, the low-speed rotation can strengthen the mixing effect, promote flocculation reaction more abundant, again because of speed suit can not smash the floccule that has formed, guarantee to filter smoothly going on, when rack 13 rises to hollow screw 12 top, separate the water after handling and floccule through filter screen 18, take out filter frame 17 can clear up filter screen 18, the operation is convenient, easy maintenance equipment, above-mentioned separation mode compares more effectively and thoroughly in traditional flocculation precipitation or air float separation.
Referring to fig. 1,2 and 4, a discharging assembly for feeding flocculant is installed on one side of a bearing frame 2, the discharging assembly comprises a feeding barrel 3 fixedly connected on one side of the bearing frame 2, a water inlet pipe 23 is fixedly connected on one side of the top of the feeding barrel 3, a storage barrel 25 is fixedly connected on the other side of the top of the feeding barrel 3, a partition plate 24 is fixedly connected on the inner wall of the feeding barrel 3, a transmission rod 27 is rotatably connected on the inner wall of the partition plate 24, one side of the outer wall of the transmission rod 27 is fixedly connected with a plurality of transmission paddles 22 corresponding to the lower part of the water inlet pipe 23, the other side of a rod body of the transmission rod 27 is fixedly connected with a baffle ring 28 corresponding to the lower part of the storage barrel 25, at least one discharging cup 26 is installed on the inner wall of the baffle ring 28, the outer surface of the baffle ring 28 is close to the inner wall of the feeding barrel 3, a discharging pipe 29 is fixedly connected on one side of the bottom of the feeding barrel 3 corresponding to the lower part of the baffle ring 28, a water outlet pipe 30 is fixedly connected on the other side of the bottom of the feeding barrel 3 corresponding to the lower part of the transmission paddles 22, and a detachable screen mesh is installed on the inner wall of the water outlet pipe 30.
Specifically, the fluorine-containing wastewater is pumped into the water inlet pipe 23 through external equipment, in the process, the external equipment can provide stable power for a water pump, the fluorine-containing wastewater is ensured to continuously and stably enter a treatment process, the wastewater is removed by the water outlet pipe 30 with a screen mesh and enters the flocculation tank 1 after impurities such as obvious particles are removed, the first-stage filtration is completed, the screen mesh can effectively intercept the impurities such as sediment and large-particle plastic fragments in the wastewater, the impurities are prevented from entering a subsequent treatment link to influence the operation and the treatment effect of the equipment, the wastewater is primarily purified, a foundation is laid for subsequent fine treatment, the fluorine-containing wastewater flows from the water inlet pipe 23 to the water outlet pipe 30, the transmission paddle 22 is driven to overturn due to the impact of water flow, the automatic operation is realized by skillfully utilizing the energy of the water flow, no additional power is required, the transmission paddle 22 is driven, so that the transmission rod 27 drives the baffle ring 28 to rotate, the flocculant in the storage bucket 25 can enter the blanking cup 26 after the rotation, the baffle ring 28 continuously rotates, the flocculant in the blanking cup 26 enters the flocculation tank 1 through the discharging pipe 29, the addition amount is adjusted correspondingly according to the water inflow amount, the automatic and accurate addition is realized, the foundation is solved for subsequent fine treatment, the problem is solved, the waste is solved, the problem is solved, the automatic treatment is caused, the waste is caused, the sewage is caused, and the automatic treatment is reduced, and the manpower is not convenient, and the treatment is improved.
Referring to fig. 1, 2 and 5, the valve assembly is mounted on the other side of the carrier 2, the valve assembly comprises a valve seat 33 fixedly connected to one side of the bottom of the flocculation basin 1, the top of the valve seat 33 is fixedly connected with a valve head 6, the inner wall of the valve head 6 is slidably connected with a valve rod 5, the bottom end of the valve rod 5 is fixedly connected with a valve plate 34, the outer wall of the valve rod 5 is fixedly connected with a stop block 32, a spring 31 is sleeved in a cavity of the outer wall of the valve rod 5 corresponding to the valve head 6, the top end of the valve rod 5 is provided with an elbow, the bottom of the elbow is close to the inner wall of the flocculation basin 1, a roller 15 is mounted at the bottom end of the elbow of the valve rod 5, the edge of the valve rod 5 can be contacted with the bottom of the roller 15 when the placement frame 13 ascends, and sealing rings 35 are fixedly connected to two sides of the inner wall of the valve seat 33 corresponding to the valve plate 34.
Specifically, the rack 13 lifts up the valve rod 5 when separating the flocculate, and the valve rod 5 drives the valve block 34 to lift up for disk seat 33 and flocculation basin 1 intercommunication, the water after handling is discharged from this, and behind the water discharge, gear motor 4 reverse rotation, rack 13 descends and resets to flocculation basin 1 bottom, drives valve block 34 through spring 31 simultaneously and closes, and whole process degree of automation is high, reduces manual intervention, through setting up gyro wheel 15, can reduce the frictional force at valve rod 15 elbow and rack 13 edge, makes valve rod 15 can be by the jack-up smoothly.
Referring to fig. 1, fig. 6 and fig. 7, an adsorption component for adsorbing and filtering is installed below the valve component, the adsorption component comprises a rotating rod 40 rotationally connected to one side of the bottom end of a flocculation tank 1, two sides of the outer wall of the rotating rod 40 are fixedly connected with a limiting rod 41, the end part of the rotating rod 40 is fixedly connected with a bearing frame 7, a placing groove is formed in the inner wall of the bearing frame 7, a plurality of guide wheels 36 are installed on two sides of the placing groove, a connecting rod 38 is fixedly connected to one side of the bottom end of the bearing frame 7, a floating ball 39 is fixedly connected to the bottom end of the connecting rod 38, an activated carbon component is placed in the bearing frame 7, a storage component for storing the activated carbon component is installed on the outer wall of the water purifying tank 10, the activated carbon component comprises an adsorption frame 37, the size of the adsorption frame 37 is matched with the placing groove in the bearing frame 7, two sides of the inner wall of the adsorption frame 37 are fixedly connected with filter cloth 43, an activated carbon layer 44 is filled between the filter cloth 43, the storage component comprises a mounting frame 8 fixedly connected to the side wall of the water purifying tank 10, a storage box 9 is fixedly connected to the top end of the mounting frame 8, the storage box 9 is obliquely arranged, a storage box 9 is internally provided with a storage groove, and a storage box 9 is formed in a storage groove, and a storage component is arranged near one side of the storage box 7 and two arc-shaped storage boxes 42 are provided.
Specifically, the discharged water passes through the activated carbon layer 44 in the adsorption frame 37 to be adsorbed and filtered and then enters the clean water tank 10, the activated carbon layer 44 can effectively adsorb residual fluoride ions and other tiny impurities in the wastewater by virtue of the porous structure of the activated carbon layer, the water quality is further improved, along with the rising of the water level in the clean water tank 10, the floating ball 39 is lifted up and drives the bearing frame 7 to deflect and incline towards the opposite direction, at the moment, the arc-shaped baffle plates 42 block the two sides of the storage box 9 to prevent the new temporarily stored adsorption frame 37 from sliding out, the adsorption frame 37 placed in the bearing plate 7 automatically slides off, after the water in the clean water tank 10 is discharged, the bearing frame 7 deflects and resets under the action of the gravity of the connecting rod 38 and the floating ball 39, at the moment, the opening of the storage box 9 is opposite to the placing groove of the bearing frame 7, the new inside adsorption frame 37 automatically slides out and is guided to the inside of the bearing frame 7 by the guide wheel 36, the automatic replacement of an activated carbon component is finished, the next adsorption treatment of the wastewater is facilitated, the automatic replacement function greatly reduces the maintenance workload, the long-time efficient operation of the equipment is ensured, the end part of the bearing frame 7 contacts the bottom of the flocculation tank 1 when the limit rod 41 rotates in the deflection process, the end part of the bearing frame 7 is controlled to contact the bottom of the filter screen 1 in the deflection process, the operation of the end part is ensured, the device is controlled, the efficient operation of the fluorine-containing filter screen is ensured, the fluorine-containing filter screen is stable, and the wastewater can pass through the filter screen and the filtration operation is stable, and the filtration operation of the filtration of the wastewater can be realized, and the filtration can be stable, and the filtration of the wastewater can be sequentially and stable, and the filtration can be realized.
Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.