CN116062863B - Metal extraction recovery plant in sewage - Google Patents

Metal extraction recovery plant in sewage Download PDF

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Publication number
CN116062863B
CN116062863B CN202310042739.8A CN202310042739A CN116062863B CN 116062863 B CN116062863 B CN 116062863B CN 202310042739 A CN202310042739 A CN 202310042739A CN 116062863 B CN116062863 B CN 116062863B
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water
piece
wall
treatment tank
plate
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CN202310042739.8A
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CN116062863A (en
Inventor
朱山
李松
胡江良
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Liupanshui Normal University
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Liupanshui Normal University
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The invention discloses a device for extracting and recycling metal in sewage, which comprises a treatment tank, a first treatment tank, a second treatment tank, a third treatment tank and a third treatment tank; the water passing channel is arranged above the wastewater in the treatment tank, is fixedly connected with the inner wall of the treatment tank, and the water outlet end of the water passing channel is communicated with the outside of the treatment tank; the plurality of electrolysis pieces are circumferentially and detachably arranged on the inner wall of the water passing channel, and the water outlet ends of the electrolysis pieces are communicated with the water passing channel; the water diversion piece is arranged above the electrolysis piece, and the fixed end of the water lifting piece is fixedly penetrated on the water diversion piece and fixedly connected with the inner wall of the treatment tank. The invention can realize the cooperation of chemical reagent and electrolysis mode, quicken the mixing reaction of chemical reagent and waste water, and lead the supernatant fluid after the reaction into the electrolysis device for electrolysis treatment, thereby improving the treatment effect of waste water.

Description

Metal extraction recovery plant in sewage
Technical Field
The invention relates to the technical field of sewage treatment, in particular to equipment for extracting and recycling metal in sewage.
Background
In the metal electroplating process, a large amount of wastewater can be generated, the wastewater needs to be treated, heavy metal ions contained in the wastewater can be normally discharged after being extracted, and meanwhile, the extracted metal impurities can be recycled for the second time.
In the prior art, when electroplating wastewater is treated, chemical reagents are usually added into the wastewater, metal and the chemical reagents react and precipitate, or metal substances are collected in an electrolysis mode, wherein the chemical reagents react slowly in a mixing manner, the metal in the wastewater is not thoroughly treated, a cathode carrier is required to be disassembled in an electrolysis mode to collect the metal substances on the cathode carrier, and the normal electrolysis process is not easy to carry out in the collection process.
Therefore, the metal recovery device in the sewage is provided, the chemical reagent is matched with the electrolysis mode for use, the mixed reaction of the chemical reagent and the wastewater is accelerated, and the supernatant after the reaction is led into the electrolysis device for electrolytic treatment, so that the treatment effect of the wastewater is improved, and meanwhile, the cathode carrier in the electrolysis device is convenient to detach and install, and the normal electrolytic treatment of the wastewater can be ensured when the metal substances on the cathode carrier are collected.
Disclosure of Invention
The invention aims to provide the metal extraction and recovery equipment in the sewage, so as to solve the problems in the prior art, realize the cooperation of the chemical reagent and the electrolysis mode, accelerate the mixed reaction of the chemical reagent and the wastewater, guide the supernatant after the reaction into an electrolysis device for electrolysis treatment, thereby improving the treatment effect of the wastewater.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a device for extracting and recycling metal in sewage, which comprises,
a treatment tank;
the water passing channel is arranged above the wastewater in the treatment tank, the water passing channel is fixedly connected with the inner wall of the treatment tank, and the water outlet end of the water passing channel is communicated with the outside of the treatment tank;
the plurality of electrolysis pieces are circumferentially and detachably arranged on the inner wall of the water passing channel, and the water outlet ends of the electrolysis pieces are communicated with the water passing channel;
the water diversion piece is arranged above the electrolysis piece, the fixed end of the water diversion piece is fixedly arranged on the water diversion piece in a penetrating way, the fixed end of the water diversion piece is fixedly connected with the inner wall of the treatment tank, the water inlet end of the water diversion piece extends into the wastewater, the water outlet end of the water diversion piece is communicated with a plurality of electrolysis pieces through the water diversion piece, and the rotating end of the water diversion piece is connected with a stirring piece for stirring the wastewater.
Further, the water passing channel comprises an annular plate fixedly connected with the inner wall of the treatment tank, a cavity is formed in the annular plate, a water outlet pipe is communicated with the annular plate, and extends out of the treatment tank, and a plurality of electrolytic pieces are detachably connected with the inner wall of the annular plate.
Further, the electrolysis piece includes the arc treatment case, the arc treatment case outer wall with annular plate inner wall adaptation, the arc treatment case is close to the liquid outlet has been seted up to one side of annular plate, set up on the annular plate with the liquid inlet of the matched intercommunication of liquid outlet, the arc is handled the incasement and is provided with two sets of treatment pieces, the liquid outlet is located two sets of between the treatment pieces, it includes an anode rod and sets up to handle the piece the negative plate of anode rod both sides, the anode rod with the arc is handled case bottom inner wall rigid coupling, the negative plate with the arc is handled the case and can be dismantled and be connected.
Further, annular plate inner wall rigid coupling has the ring cardboard, the draw-in groove has been seted up on the ring cardboard top, and is a plurality of the arc is handled the case and is all located in the draw-in groove, just the arc handle the case with the draw-in groove adaptation, the both ends rigid coupling that the case was handled to the arc has the limiting plate, the annular plate inner wall seted up with the spacing groove of limiting plate adaptation, the arc is handled the case and is passed through the limiting plate with the spacing groove with the annular plate can dismantle and be connected.
Further, set up on the annular plate and be used for the shutoff piece of inlet, the adjustment tank has been seted up to annular plate inner wall, the adjustment tank with spacing groove intercommunication, the shutoff piece include a plurality of shutoff boards, the shutoff board be located in the spacing inslot and with the inlet adaptation, the shutoff board both ends rigid coupling respectively has the connecting plate, two the both ends of connecting plate stretch into respectively adjacent in the spacing inslot, the rigid coupling has reset spring in the spacing inslot, reset spring's one end with spacing groove bottom inner wall rigid coupling, reset spring's the other end with the bottom contact of connecting plate.
Further, the stiff end of carrying the water spare be with the fixed water lifting pipe of dividing the water spare, the water lifting pipe outer wall pass through the support with handle jar inner wall rigid coupling, the water inlet has been seted up to the bottom of carrying the water pipe, the water inlet is located waste water, the delivery port has been seted up at the top of carrying the water pipe, the delivery port is located divide water spare top, water lifting pipe top end fixedly has driving motor, it is connected with the auger to rotate in the water lifting pipe, driving motor output with auger transmission is connected.
Further, the water diversion member comprises a water diversion plate, a water storage tank is arranged at the top end axle center of the water diversion plate, the water lifting pipe penetrates through the water storage tank, the water outlet is communicated with the water storage tank, a plurality of water diversion grooves are arranged at the top end of the water diversion plate, the water outlet end of the water diversion grooves are communicated with the arc-shaped treatment tank, and the water outlet end of the water diversion grooves are correspondingly arranged with the anode rod.
Further, the stirring piece comprises a stirring rod fixedly connected with the bottom end of the auger, the tail end of the stirring rod extends out of the water lifting pipe, a plurality of stirring paddles are fixedly connected to the outer wall of the stirring rod, and the stirring paddles are positioned outside the water lifting pipe.
Further, a water inlet pipe is arranged at the top end of the water diversion plate in a penetrating way, and a sediment discharge pipe is communicated with the bottom of the treatment tank.
Furthermore, the top end of the water diversion plate is penetrated with a drug delivery pipe.
The invention discloses the following technical effects:
1. firstly, chemical reaction treatment is carried out on wastewater drug administration, supernatant fluid is pumped into an electrolysis part through a water lifting part, and then the supernatant fluid is subjected to electrolytic treatment, so that the treatment effect of wastewater is improved.
2. In the water lifting process, the movable end of the water lifting piece rotates to drive the stirring piece to rotate, so that the stirring piece stirs the wastewater in the treatment tank, on one hand, the wastewater and the chemical reagent are convenient to mix, and on the other hand, the precipitate is kept away from the central position of the treatment tank under the action of centrifugal force, so that the precipitation content in the wastewater provided by the water lifting piece to the electrolysis piece is reduced.
3. Through the cooperation of dividing piece and a plurality of electrolysis spare, when the certain electrolysis spare of clearance, still can guarantee that remaining electrolysis spare works.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an extraction recovery apparatus;
FIG. 2 is a perspective view showing a state where an electrolyte is taken out;
FIG. 3 is a perspective view of the connection of the electrolyte element to the water separator;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a perspective view of a plugging plate in a state of plugging a liquid inlet;
FIG. 6 is a perspective view of the plugging plate in a state of not plugging the liquid inlet;
FIG. 7 is a schematic view of the structure of the water lifting member;
the device comprises a 1-treatment tank, a 2-annular plate, a 3-cavity, a 4-water outlet pipe, a 5-arc-shaped treatment tank, a 6-liquid outlet, a 7-liquid inlet, an 8-anode rod, a 9-cathode plate, a 10-annular clamping plate, an 11-clamping groove, a 12-limiting plate, a 13-limiting groove, a 14-regulating groove, a 15-plugging plate, a 16-connecting plate, a 17-reset spring, an 18-water lifting pipe, a 19-bracket, a 20-water inlet, a 21-water outlet, a 22-driving motor, a 23-auger, a 24-water diversion plate, a 25-water storage tank, a 26-water diversion tank, a 27-stirring rod, a 28-stirring paddle, a 29-water inlet pipe, a 30-row sedimentation pipe and a 31-feeding pipe.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 7, the present invention provides an apparatus for extracting and recovering metals from sewage, comprising a treatment tank 1; the water passing channel is arranged above the wastewater in the treatment tank 1, is fixedly connected with the inner wall of the treatment tank 1, and the water outlet end of the water passing channel is communicated with the outside of the treatment tank 1; the plurality of electrolysis pieces are circumferentially and detachably arranged on the inner wall of the water passing channel, and the water outlet ends of the electrolysis pieces are communicated with the water passing channel; the water diversion piece is arranged above the electrolysis piece, the fixed end of the water diversion piece is fixedly connected with the inner wall of the treatment tank 1 in a penetrating manner, the water inlet end of the water diversion piece extends into the wastewater, the water outlet end of the water diversion piece is communicated with the electrolysis pieces through the water diversion piece, and the stirring piece for stirring the wastewater is connected to the rotating end of the water diversion piece.
When electroplating wastewater treatment is carried out, wastewater is led into the treatment tank 1, drug is fed into the treatment tank 1, wastewater reacts with chemical reagents to generate precipitation, the precipitation is led out of the treatment tank 1, after a period of time, a water lifting piece is started, the water lifting piece drives a stirring piece to rotate, the wastewater in the treatment tank 1 is stirred, the mixing effect of the chemical reagents and the wastewater is improved, meanwhile, the precipitation in the treatment tank 1 is far away from the central position of the treatment tank 1 under the action of centrifugal force, the water lifting piece is used for extracting supernatant in the treatment tank 1, the supernatant is led into different electrolytic pieces through water dividing pieces, electrolytic treatment is carried out on the supernatant through the electrolytic pieces, and treated water after electrolysis is collected in a water passing channel and finally led out of the treatment tank 1.
When the metal impurities adsorbed on the electrolytic piece need to be cleaned, one electrolytic piece is taken down, the rest electrolytic pieces work normally, and the electrolytic pieces are taken out and put back in sequence, so that the continuous work of the equipment is realized.
Specifically, the treatment tank 1 has a tubular structure at the upper part and a conical structure at the bottom part, so as to facilitate the collection and the discharge of the sediment.
Further optimizing scheme, the water channel includes the annular plate 2 with the inner wall rigid coupling of treatment jar 1, has seted up cavity 3 in the annular plate 2, and the intercommunication has outlet pipe 4 on the annular plate 2, and outlet pipe 4 stretches out outside the treatment jar 1, and a plurality of electrolysis pieces can be dismantled with annular plate 2 inner wall and be connected.
The annular plate 2 is matched with the inner wall of the treatment tank 1, a cavity 3 is formed in the annular plate 2 to serve as water guide, namely, water treated by the electrolytic piece enters the cavity 3 to be collected, and finally, the water is led out of the treatment tank 1 through the water outlet pipe 4, and the electrolytic piece and the annular plate 2 are arranged in a detachable connection mode so as to be convenient for maintaining the electrolytic piece.
Further optimizing scheme, the electrolysis piece is including arc processing case 5, arc processing case 5 outer wall and annular slab 2 inner wall adaptation, the liquid outlet 6 has been seted up to one side that the arc processing case 5 is close to annular slab 2, set up on the annular slab 2 with liquid inlet 7 of the matching intercommunication of liquid outlet 6, be provided with two sets of processing pieces in the arc processing case 5, liquid outlet 6 is located between two sets of processing pieces, processing piece includes an anode rod 8 and sets up the negative plate 9 in anode rod 8 both sides, anode rod 8 and the inner wall rigid coupling of arc processing case 5 bottom, negative plate 9 and arc processing case 5 can dismantle the connection.
It can be understood that the outer wall of the arc-shaped treatment box 5 is fit with the inner wall of the annular plate 2, when the arc-shaped treatment box 5 is connected with the annular plate 2, the liquid outlet 6 is communicated with the liquid inlet 7, and the wastewater after being treated in the arc-shaped treatment box 5 can enter the cavity 3 through the liquid outlet 6 and the liquid inlet 7 in the state.
Two groups of treatment pieces are arranged in each arc-shaped treatment box 5, and since the liquid outlet 6 is positioned between the two groups of treatment pieces, the waste water extracted by the water lifting piece is firstly guided into the treatment pieces and then enters the liquid outlet 6 after being treated by the treatment pieces.
Specifically, the wastewater is led between the two cathode plates 9, metal ions are adsorbed on the two cathode plates 9 under the cooperation of the anode rod 8, and the treated wastewater can move from the lower part of the cathode plates 9 towards the direction of the liquid outlet 6.
Wherein, the caulking groove has been seted up on arc processing case 5 top, and negative plate 9 is located the caulking groove and can dismantle with arc processing case 5 through the caulking groove and be connected. The caulking groove is arranged to facilitate the installation and the fixation and the disassembly of the cathode plate 9, thereby facilitating the stripping of the metal impurities adsorbed on the cathode plate 9.
Further, a plurality of arc-shaped treatment tanks 5 are fitted circumferentially on the inner wall of the annular plate 2.
Further optimizing scheme, annular plate 2 inner wall rigid coupling has annular cardboard 10, and draw-in groove 11 has been seted up on annular cardboard 10 top, and a plurality of arcs handle case 5 and all are located draw-in groove 11, and the arc handle case 5 and draw-in groove 11 adaptation, and the both ends rigid coupling that the case 5 was handled to the arc has limiting plate 12, and limiting groove 13 with limiting plate 12 adaptation has been seted up to annular plate 2 inner wall, and the arc is handled case 5 and is connected with annular plate 2 dismantlement through limiting plate 12 and limiting groove 13.
The draw-in groove 11 on the ring cardboard 10 is used for carrying out spacing fixed to arc processing case 5, and it is put into draw-in groove 11 to be about to arc processing case 5 by handling jar 1 open top, makes simultaneously that limiting plate 12 at arc processing case 5 both ends get into in limiting groove 13 can realize that the joint of arc processing case 5 is fixed, when maintaining negative plate 9, can handle case 5 with the arc in handling jar 1.
Further optimizing scheme sets up the shutoff piece that is used for shutoff inlet 7 on the annular slab 2, adjustment tank 14 has been seted up to annular slab 2 inner wall, adjustment tank 14 and spacing groove 13 intercommunication, the shutoff piece includes a plurality of shutoff boards 15, shutoff board 15 is located spacing inslot 13 and with inlet 7 adaptation, the shutoff board 15 both ends rigid coupling respectively has connecting plate 16, in the adjacent spacing groove 13 is stretched into respectively at the both ends of two connecting plates 16, rigid coupling has reset spring 17 in the spacing groove 13, reset spring 17's one end and spacing groove 13 bottom inner wall rigid coupling, reset spring 17's the other end and the bottom contact of connecting plate 16.
After the arc-shaped treatment box 5 is taken out from the treatment tank 1, the waste water extracted by the water lifting piece cannot enter the cavity 3 under the action of the plugging piece, so that the electrolytic treatment quality can be ensured during maintenance of the cathode plate 9.
Specifically, after the limiting plate 12 on the arc-shaped treatment box 5 is placed in the limiting groove 13, the limiting plate 12 extrudes the connecting plate 16 under self gravity, the connecting plate 16 drives the blocking plate 15 to move downwards to expose the liquid inlet 7, the communication between the liquid outlet 6 and the liquid inlet 7 is realized, when the arc-shaped treatment box 5 is taken out, the connecting plate 16 resets under the action of the reset spring 17, the connecting plate 16 drives the blocking plate 15 to move upwards to block the liquid inlet 7, so that waste water led out by the water distribution piece cannot enter the cavity 3, and only can flow back into the treatment tank 1.
Wherein the adjusting groove 14 is formed on the inner wall of the annular plate 2 in a circumferential direction, and functions to ensure the normal movement of the plugging plate 15 and the connecting plate 16.
According to the further optimization scheme, the fixed end of the water lifting piece is a water lifting pipe 18 fixed with the water diversion piece, the outer wall of the water lifting pipe 18 is fixedly connected with the inner wall of the treatment tank 1 through a support 19, a water inlet 20 is formed in the bottom of the water lifting pipe 18, the water inlet 20 is located waste water, a water outlet 21 is formed in the top of the water lifting pipe 18, the water outlet 21 is located above the water diversion piece, a driving motor 22 is fixedly connected to the top end of the water lifting pipe 18, a packing auger 23 is connected in a rotating mode, and the output end of the driving motor 22 is in transmission connection with the packing auger 23.
The water lifting pipe 18 is of a tubular structure, two ends of the water lifting pipe are sealed, the water lifting pipe is fixed at the axial center of the treatment tank 1 under the action of the support 19, meanwhile, the water diversion piece is fixed above the arc-shaped treatment tank 5 through the water lifting pipe 18, and in the water pumping process, the driving motor 22 works to drive the auger 23 to rotate, so that wastewater in the treatment tank 1 enters the water lifting pipe 18 from the water inlet 20, and is led into the water diversion piece from the water outlet 21 for water diversion.
Further optimizing scheme, the water diversion member includes a water diversion plate 24, and catch basin 25 has been seted up to water diversion plate 24 top axle center, and water lifting pipe 18 wears to establish in catch basin 25, and delivery port 21 and catch basin 25 intercommunication, and a plurality of water diversion grooves 26 have been seted up on water diversion plate 24 top, and the play water end and the arc of water diversion groove 26 handle case 5 intercommunication, and the play water end and the positive pole stick 8 of water diversion groove 26 correspond the setting.
The water storage tank 25 arranged at the top end of the water diversion plate 24 is used for storing the extracted wastewater, and under the action of the water diversion tank 26, the wastewater in the water storage tank 25 is more uniformly led into different arc-shaped treatment boxes 5.
Wherein, the water outlet end of the water diversion channel 26 corresponds to the anode rod 8, so as to guide the wastewater between the cathode plates 9, thereby realizing the effective electrolytic treatment of the wastewater.
Further optimizing scheme, the stirring piece includes the puddler 27 with auger 23 bottom rigid coupling, and the puddler 27 end stretches out the water lifting pipe 18, and puddler 27 outer wall rigid coupling has a plurality of stirring rake 28, and stirring rake 28 is located outside the water lifting pipe 18.
In one embodiment of the invention, during pumping, auger 23 rotates, stirring rod 27 rotates following auger 23, and the remaining wastewater in treatment tank 1 is stirred by rotation of stirring paddle 28.
In another embodiment of the invention, two to three arc-shaped treatment tanks 5 can be selectively taken out at the initial stage of adding the chemical reagent, and the rest of the water diversion tanks 26 are blocked except for the water diversion tank 26 corresponding to the taken-out arc-shaped treatment tank 5, so that in the rotating process of the auger 23, not only can the stirring paddle 28 be driven to rotate to stir the wastewater, but also the wastewater in the treatment tank 1 can be extracted and finally introduced into the treatment tank 1.
Specifically, the blocking water diversion trench 26 may be provided with a corresponding sealing plate (not shown in the figure), so as to ensure that the waste water in the water storage trench 25 cannot be discharged.
Further optimizing scheme, water inlet pipe 29 is worn to be equipped with by the top of water knockout plate 24, and the bottom intercommunication of treatment tank 1 has row sedimentation pipe 30. A water inlet pipe 29 is used for feeding wastewater to the treatment tank 1 and a discharge sedimentation pipe 30 is used for discharging sediment of the treatment tank 1, which is preferably provided at the conical bottom of the treatment tank 1.
Further optimizing scheme, the administration tube 31 is worn to be equipped with by the water knockout plate 24 top. The administration tube 31 is used to add chemical agents to the wastewater in the treatment tank 1.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (5)

1. A device for extracting and recycling metal in sewage is characterized in that: comprising the steps of (a) a step of,
a treatment tank (1);
the water passing channel is arranged above the wastewater in the treatment tank (1), the water passing channel is fixedly connected with the inner wall of the treatment tank (1), and the water outlet end of the water passing channel is communicated with the outside of the treatment tank (1);
the plurality of electrolysis pieces are circumferentially and detachably arranged on the inner wall of the water passing channel, and the water outlet ends of the electrolysis pieces are communicated with the water passing channel;
the water diversion piece is arranged above the electrolysis piece, the fixed end of the water lifting piece is fixedly penetrated on the water diversion piece, the fixed end of the water lifting piece is fixedly connected with the inner wall of the treatment tank (1), the water inlet end of the water lifting piece extends into the wastewater, the water outlet end of the water lifting piece is communicated with the plurality of electrolysis pieces through the water diversion piece, and the stirring piece for stirring the wastewater is connected to the rotating end of the water lifting piece;
the water passing channel comprises an annular plate (2) fixedly connected with the inner wall of the treatment tank (1), a cavity (3) is formed in the annular plate (2), a water outlet pipe (4) is communicated with the annular plate (2), the water outlet pipe (4) extends out of the treatment tank (1), and a plurality of electrolytic pieces are detachably connected with the inner wall of the annular plate (2); the water treated by the electrolysis part enters the cavity (3) to be collected, and finally is guided out of the treatment tank (1) by the water outlet pipe (4);
the electrolysis piece comprises an arc-shaped treatment box (5), the outer wall of the arc-shaped treatment box (5) is matched with the inner wall of the annular plate (2), a liquid outlet (6) is formed in one side, close to the annular plate (2), of the arc-shaped treatment box (5), a liquid inlet (7) matched and communicated with the liquid outlet (6) is formed in the annular plate (2), two groups of treatment pieces are arranged in the arc-shaped treatment box (5), the liquid outlet (6) is located between the two groups of treatment pieces, the treatment pieces comprise an anode rod (8) and cathode plates (9) arranged on two sides of the anode rod (8), the anode rod (8) is fixedly connected with the inner wall of the bottom end of the arc-shaped treatment box (5), and the cathode plates (9) are detachably connected with the arc-shaped treatment box (5).
The fixed end of the water lifting piece is a water lifting pipe (18) fixed with the water dividing piece, the outer wall of the water lifting pipe (18) is fixedly connected with the inner wall of the treatment tank (1) through a bracket (19), a water inlet (20) is formed in the bottom of the water lifting pipe (18), the water inlet (20) is positioned in waste water, a water outlet (21) is formed in the top of the water lifting pipe (18), the water outlet (21) is positioned above the water dividing piece, a driving motor (22) is fixedly connected to the top end of the water lifting pipe (18), an auger (23) is rotationally connected to the water lifting pipe (18), and the output end of the driving motor (22) is in transmission connection with the auger (23).
The water diversion member comprises a water diversion plate (24), a water storage groove (25) is formed in the top end axle center of the water diversion plate (24), the water lifting pipe (18) is arranged in the water storage groove (25) in a penetrating mode, the water outlet (21) is communicated with the water storage groove (25), a plurality of water diversion grooves (26) are formed in the top end of the water diversion plate (24), the water outlet end of the water diversion grooves (26) is communicated with the arc-shaped treatment box (5), and the water outlet end of the water diversion grooves (26) are correspondingly arranged with the anode rod (8);
the stirring piece comprises a stirring rod (27) fixedly connected with the bottom end of the auger (23), the tail end of the stirring rod (27) extends out of the water lifting pipe (18), a plurality of stirring paddles (28) are fixedly connected to the outer wall of the stirring rod (27), and the stirring paddles (28) are positioned outside the water lifting pipe (18);
a sealing plate is arranged on the water diversion channel (26).
2. The apparatus for extracting and recovering metals from sewage according to claim 1, wherein: annular cardboard (10) are fixedly connected to the inner wall of annular board (2), draw-in groove (11) have been seted up on annular cardboard (10) top, a plurality of arc is handled case (5) all are located draw-in groove (11), just arc handle case (5) with draw-in groove (11) adaptation, the both ends rigid coupling that arc handled case (5) has limiting plate (12), annular board (2) inner wall seted up with limiting groove (13) of limiting plate (12) adaptation, arc handle case (5) pass through limiting plate (12) with limiting groove (13) with annular board (2) can dismantle and be connected.
3. The apparatus for extracting and recovering metals from sewage according to claim 2, wherein: the utility model discloses a sealing device for the liquid inlet of the annular plate (2), set up on annular plate (2) be used for the shutoff sealing piece of inlet (7), adjustment tank (14) have been seted up to annular plate (2) inner wall, adjustment tank (14) with spacing groove (13) intercommunication, sealing piece includes a plurality of shutoff boards (15), shutoff board (15) are located in draw-in groove (11) and with inlet (7) adaptation, the rigid coupling has connecting plate (16) respectively at shutoff board (15) both ends, two the both ends of connecting plate (16) stretch into respectively adjacent in spacing groove (13), rigid coupling has reset spring (17) in spacing groove (13), the one end of reset spring (17) with spacing groove (13) bottom inner wall rigid coupling, the other end of reset spring (17) with the bottom contact of connecting plate (16).
4. The apparatus for extracting and recovering metals from sewage according to claim 1, wherein: a water inlet pipe (29) is arranged at the top end of the water diversion plate (24) in a penetrating way, and a row of sedimentation pipes (30) are communicated with the bottom of the treatment tank (1).
5. The apparatus for extracting and recovering metals from sewage according to claim 1, wherein: the top end of the water diversion plate (24) is provided with a drug delivery pipe (31) in a penetrating way.
CN202310042739.8A 2023-01-28 2023-01-28 Metal extraction recovery plant in sewage Active CN116062863B (en)

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