CN110357307A - A kind of heavy-metal waste water treatment device - Google Patents

Abstract

The invention discloses a kind of heavy-metal waste water treatment devices, including outer housing, inner housing, agitating device and water-distributing device, shell body sidewall is provided with controller, water-distributing device includes the water distributor and annular water tank being respectively arranged inside and outside inner housing, it is connected between annular water tank and water distributor by tube body, the first solenoid valve is provided on tube body, electromagnetic switch is provided at the top of inner housing, filtering film component is provided in the middle part of inner housing, inner housing inside division is adsorption zone and waste water buffer area by filtering film component, exhaust fan is provided on inner housing, pH detector is provided in adsorption zone, waste water is provided with water level sensor in buffer area, inner housing and outer housing bottom are respectively arranged with the first drainpipe and the second drainpipe, the free end of first drainpipe is provided with second solenoid valve.The device can effectively solve the problems, such as that poor processing effect existing for existing processing unit, raw material add inconvenience and be unable to control processing speed.

Description

A kind of heavy-metal waste water treatment device

Technical field

The invention belongs to technical field of waste water processing, and in particular to a kind of heavy-metal waste water treatment device.

Background technique

Heavy metal refers to the metal that specific gravity is greater than 4 or 5, there are about 45 kinds, common heavy metal pollution, be primarily referred to as mercury, lead, The environmental pollution of the significant heavy metal of the bio-toxicities such as cadmium, chromium and arsenic, further include the heavy metal such as zinc with certain toxicity, Copper, cobalt, nickel, tin, vanadium etc..Heavy metal contaminants are difficult to administer, they run up to certain limit in water body will be to water body One water plant, one aquatic animal system generates serious harm, and the own health of the mankind may be influenced by food chain.? Heavy metal wastewater thereby is all generated in many production processes in the industry such as mining and metallurgy, machine-building, chemical industry, electronics, instrument, these waste water Children and adult health or even life are drastically influenced, if will lead to gout sample as human body takes in excessive molybdenum element Syndrome, arthralgia and deformity, compromised kidneys, and have growth retardation, and artery sclerosis, the illnesss such as sheath denaturation.When Before, children's lead poisoning, heavy metal causes fetal anomaly, and the events such as arsenic poisoning also occur repeatedly, and becomes heavy metal pollution and is related to The great environmental problem of human health and life, the sewage yield containing heavy metal ion is increasing, due to heavy metal from Son be difficult to degrade under field conditions (factors), therefore to the sewage containing heavy metal ion carry out processing be particularly important, in waste water Heavy metal cannot generally decompose destruction, can only shift its there are position and change its Material Form.

The process for treating heavy-metal waste water that the existing country generallys use, including lime neutralisation and vulcanization etc..These Traditional treatment process, although the heavy metals removal in waste water can be fallen, treatment effect is simultaneously unstable, handles recycling Clear water water quality is still difficult to ensure that stably reaching standard discharges, moreover, existing wastewater treatment equipment, there are process complexity, raw material adds not Conveniently, the problems such as being unable to control processing speed.

Summary of the invention

For above-mentioned deficiency in the prior art, the present invention provides a kind of heavy-metal waste water treatment devices, which can Poor processing effect existing for existing processing unit is effectively solved, raw material adds inconvenience and is unable to control asking for processing speed Topic.

To achieve the above object, the technical solution adopted by the present invention to solve the technical problems is:

A kind of heavy-metal waste water treatment device, including outer housing, inner housing, agitating device and water-distributing device, the stirring Device is set to inside the inner housing, and the inner housing and the water-distributing device are all set in inside the outer housing, described Water-distributing device is fixedly connected with the inner housing, and the shell body sidewall is provided with controller, is provided at the top of the outer housing Drug-feeding tube, feed pipe and water inlet pipe, the water-distributing device include be respectively arranged at water distributor inside and outside the inner housing and Annular water tank is connected between the annular water tank and the water distributor by tube body, and the first solenoid valve is provided on the tube body, The drug-feeding tube and the water inlet pipe are all set in the surface of the annular water tank, and the feed pipe is set to the inner housing Top, the inner housing top is provided with electromagnetic switch, is provided with removable filter membrane module in the middle part of the inner housing, described The inner housing inside division is adsorption zone and waste water buffer area by filtering film component, and the waste water buffer area is corresponding described interior It is provided with exhaust fan on shell, pH detector is provided in the adsorption zone, water level induction is provided in the waste water buffer area Device, the exhaust fan are set to the water level sensor top, and the inner housing and the outer housing bottom are respectively arranged with One drainpipe and the second drainpipe, the free end of first drainpipe are provided with second solenoid valve, the exhaust fan, pH detection Device, water level sensor, the first solenoid valve, second solenoid valve and electromagnetic switch are electrically connected with the controller.

It takes and has the beneficial effect that drug-feeding tube, feed pipe and water inlet pipe are fixedly connected with outer housing caused by above scheme, Annular water tank is set to inner housing top and is fixedly connected with the outer wall of inner housing, and annular water tank is set as half-headed, from into The liquid that pencil and water inlet pipe flow into directly is dropped into annular water tank；Feed pipe is set to the surface of electromagnetic switch, works as electromagnetism After switch is opened, active carbon passes right through feed pipe and flows into inner housing；Flange is provided on inner housing, filtering film component passes through Flange is connect with inner housing, and controller is the controller with operation panel, can be operated by operation panel.Wherein, it controls The model MIK-PH160 of device model DVP80ES200R, pH detector processed, the model UCX4000-30G of water level sensor M-IUO-V15。

Above-mentioned apparatus use process is as follows: by controller open control electromagnetic switch, active carbon is passed through into charge pipe Adsorption zone is added, when the additional amount of active carbon reaches preset value, stops feeding and controlling electromagnetic switch closing；Then pH is opened Detector and water level sensor open the valve on water inlet pipe, and heavy metal wastewater thereby will pass through water inlet pipe and flow into annular water tank, will PH adjusting agent will pass through chemical feed pipe and be added in annular water tank, then control the first solenoid valve opening, and the heavy metal for having adjusted pH value is useless Water passes sequentially through tube body and water distributor flows into adsorption zone, when the water level in adsorption zone reaches preset value, control water inlet pipe valve Door is closed, and heavy metal wastewater thereby is contacted with active carbon at this time, and internal heavy metal ion is tightly held by activated carbon, and realizes that purification is made With.

Agitating device is electrically connected with the controller, and active carbon and heavy metal wastewater thereby are stirred by control agitating device work, Active carbon can be improved to the adsorption effect of heavy metal；Heavy metal wastewater thereby can constantly pass through filtering under the effect of gravity while stirring Membrane module is temporarily stored in waste water buffer area, and pH detector detects the pH value of the waste water of adsorption zone, when the pH value and preset value of waste water When not being inconsistent, pH detector sends a signal to controller, and controller will do it prompt, continues through chemical feed pipe at this time to annular water PH adjusting agent is added in case, then manual operation controller, the first solenoid valve of control is opened, so that pH adjusting agent flows into adsorption zone It is interior, it can realize the purpose for changing the pH value of waste water in adsorption zone, further increase adsorption effect.

When the water level of waste water buffer area reach a certain height, water level sensor detects water body, and water level signal is sent to Controller, controller control second solenoid valve and open, and the waste water in waste water buffer area is discharged, the water body discharge of waste water buffer area Afterwards, water level decreasing, when water level sensor can't detect water level signal, controller just controls exhaust fan work, so that waste water is slow Formation negative pressure in area is rushed, the water body in adsorption zone is adsorbed onto waste water buffer area, accelerates the velocity of discharge of waste water after absorption, is improved The efficiency of purification shortens water discharge time.

Curved baffle is provided on the inner wall of inner housing, curved baffle is set as annular, arc gear along inner housing inner wall Plate is integrally formed with inner housing, and the suction opening of exhaust fan is carried out barrier by curved baffle, is filtered out by filtering film component Water body is fallen on curved baffle, and flows into waste water buffer area by curved baffle, and being provided with curved baffle can effectively avoid exhausting The water body that will filter out during machine exhausting is pumped into exhaust fan.Moreover, active carbon can pass through curved baffle when replacement active carbon Outflow can effectively avoid active carbon residual, improve the service life of the device.

Further, agitating device includes first motor, stirring shaft and is set to stirring rod on the stirring shaft, and described One motor is fixedly connected with the outer housing, and the shaft of the first motor is fixedly connected with the stirring shaft, the stirring shaft It is set to inside the inner housing through the inner housing, the stirring shaft is connect with the inner housing by bearing.

It takes and has the beneficial effect that stirring rod is to be fixedly connected with stirring shaft caused by above scheme, in use, the first electricity Machine drives stirring shaft rotation, realizes that the effect to waste water and active carbon stirring in adsorption zone improves so that the two is sufficiently mixed Adsorption effect.

It further, further include rocking equipment, the rocking equipment is described including the second motor, load-bearing pillar and for placing The load-bearing plate of inner housing, the load-bearing plate are fixedly connected by the load-bearing pillar with the outer housing, are set in the middle part of the load-bearing plate Round hollow-out parts are equipped with, are provided with rotating disc in the circle hollow-out parts, the rotating disc passes through connecting rod and the inner housing Connection, the inner housing bottom are additionally provided with scroll wheel, and second motor is set to corresponding with the round hollow-out parts On the outer housing, the shaft of second motor is fixedly connected with the rotating disc, second motor and the controller Electrical connection.

It takes and has the beneficial effect that inner housing bottom is fixedly connected with scroll wheel, connecting rod setting caused by above scheme In the edge of rotating disc, connecting rod is fixedly connected with rotating disc and inner housing respectively, and the arrangement works process is as follows: controller control The unlatching of the second motor is made, the shaft of the second motor drives rotation disc eccentric rotary, and rotating disc drives inner housing by connecting rod It is rotated on load-bearing plate, so that entire inner housing generates rotary concussion, further increases connecing for active carbon and heavy metal wastewater thereby Touching, improves the adsorption effect of active carbon.

It is dynamic not stall due to inner housing, it is provided with annular water tank, position when no matter inner housing stops operating How, the water outlet of drug-feeding tube and water inlet pipe is constantly in the top of annular water tank, and heavy metal wastewater thereby and pH adjusting agent can be accurate Drop into annular water tank.

Further, drug-feeding tube upper end is connected separately with water pipe and chemical feed pipe, in the water pipe and the chemical feed pipe It is respectively arranged with third solenoid valve and the 4th solenoid valve, the 5th solenoid valve is provided on the water inlet pipe.

It takes and has the beneficial effect that formation Y type knot between water pipe, chemical feed pipe and drug-feeding tube three caused by above scheme Structure, the free end of water pipe are connected with water tank or tap, and the free end of chemical feed pipe is connected with pH adjusting agent storage tank, is provided with Third solenoid valve, the 4th solenoid valve and the 5th solenoid valve can improve the convenience of operation by controller control switch.

Further, circular heating tube is provided on inner housing inner wall, the circular heating tube is provided with two, the suction Attached area is additionally provided with temperature detector, and the circular heating tube and the temperature detector are electrically connected with the controller.

It takes and has the beneficial effect that circular heating tube can carry out the heavy metal wastewater thereby in adsorption zone caused by above scheme Heating, and then improve the adsorption effect of active carbon；When temperature detector detects the temperature of water body lower than preset value, can incite somebody to action Temperature signal is sent to controller, and controller controls circular heating tube work, realizes water body heating.In the outside of circular heating tube It is additionally provided with protective film, protective film is gauze or screen cloth etc., and protective film is sheathed on the outside of circular heating tube, is provided with protection Film can effectively prevent active carbon directly to contact with circular heating tube, and active carbon is avoided to be adhered on circular heating tube, influence annular The service life of heating tube；Wherein, the model LT-CG-S/D-303-M62T00-12 of temperature detector.

Further, door body is additionally provided on shell body sidewall, the door body is set to above the load-bearing plate.

Taking the material that door body is had the beneficial effect that caused by above scheme is high voltage bearing organic transparent glass, convenient Personnel observe internal operation situation, open door body, convenient to carry out maintenance, maintenance to internal component and to filtration module Part carries out the operation such as replacing, and improves the convenience used.

Further, the shape of outer housing and inner housing is cylinder, and the shape of the load-bearing plate is circle, described to hold The diameter of disk is less than the diameter of the outer housing again, and annular vent mouth is formed between the load-bearing plate and the inner housing, described Annular vent mouth is used for first drainpipe draining.

It takes and has the beneficial effect that caused by above scheme and pre- leave a blank between outer housing and inner housing with there are certain Between, facilitate personnel to enter；Meanwhile cylindrical structure is set by outer housing and inner housing, first, facilitate tearing open for filtering film component The operations such as dress, inspection and cleaning, second, consider from fluid-mechanics point of view, is conducive to waste water and uniformly mixes and carry out with active carbon Adsorption effect is improved at adsorption reaction, no dead angle.

Annular vent mouth is formed between load-bearing plate and outer housing, the water body in the first drainpipe can be flowed by annular vent mouth It is discharged into outer housing, and out of outer housing, since inner housing can not stall under the induced effect of the second motor, is provided with ring Shape discharge outlet, position when stopping operating regardless of inner housing, the waste water after the absorption of the first drainpipe discharge all can be accurate Discharge into outer housing, improve using effect.

Further, load-bearing pillar is coated with waterproof isolation board, the waterproof on the outside of the load-bearing pillar at least provided with 4 Annular storage area is formed between isolation board, load-bearing plate and outer housing.

It takes and has the beneficial effect that isolation board wraps load-bearing pillar caused by above scheme, so that shape inside isolation board Using effect is improved for placing the second motor at dry space.

Further, filtering film component includes the fixed screen deck being hinged and the filtering that is set in the fixed screen deck Film.

It takes and has the beneficial effect that fixed screen deck side is connected by folding caused by above scheme, the other side passes through lock Tight bolt is attached, and fixed screen deck plays the role of support, avoid active carbon and waste water in agitation for fixing filter membrane Filter membrane is damaged, moreover, being provided with fixed screen deck, facilitates and is mounted and dismounted, improves using effect.

Further, water distributor is connected at least provided with 4 by the pipeline between the water distributor.

The top for having the beneficial effect that water distributor is uniformly arranged on inner housing caused by above scheme is taken, when having adsorbed Cheng Hou opens flange, takes out filtering film component, at this point, active carbon can be discharged by the first drainpipe and the second drainpipe In the device, at this point, opening the 4th solenoid valve and the first solenoid valve by controller, clean clear water will pass through water distributor sprinkling Onto inner housing, to the inner wall of inner housing, the components such as circular heating tube, stirring shaft, stirring rod are rinsed, and will be adhered to each group Active carbon on part rinses out, and realizes clean effect.

In conclusion advantages of the present invention is as follows:

1, it is provided with agitating device in inner housing, the contact area of active carbon and heavy metal wastewater thereby, Jin Erti can be improved The adsorption effect of high activity charcoal；Inner housing bottom is provided with the second motor and load-bearing plate, and load-bearing plate passes through connecting rod and inner housing It is fixedly connected, the second motor drives inner housing to be rotated, and shakes when realizing rotation, further increases the absorption effect of active carbon Fruit；Agitating device works simultaneously with rocking equipment, the maximized suction for improving active carbon to heavy metal in heavy metal wastewater thereby Attached effect.

2, it is provided with filtering film component, facilitates and is dismantled, filtering film component includes fixed screen deck, same what is be easy to use When, it can include that active carbon etc. is avoided to damage filter membrane in agitation to filter membrane.

3, it is provided with water-distributing device, internal enclosure interior is facilitated to be rinsed, improves using effect；Water-distributing device includes ring Shape water tank, is provided with annular water tank, facilitates the addition of heavy metal wastewater thereby and pH adjusting agent, improves using effect.

4, the arrangement achieves engineering equipment, integration and modularizations, are conducive to industrialized mass production, which can have Effect solves to build pond body on soil, causes dimensional footprint big, irremovable problem.Moreover, the device has energy consumption On earth, thorough, simple operation and other advantages are cleaned.

Detailed description of the invention

Fig. 1 is diagrammatic side-view cross-sectional structural schematic diagram of the invention；

Fig. 2 is the side structure schematic view of outer housing；

Fig. 3 is the structural schematic diagram of bearing plate；

Fig. 4 is the overlooking structure diagram of the device；

Fig. 5 is the structural schematic diagram of filtering film component；

Fig. 6 is the partial enlarged view of inner housing；

Fig. 7 is the partial enlarged view of circular heating tube；

Appended drawing reference: 1, outer housing；2, inner housing；3, controller；4, drug-feeding tube；5, feed pipe；6, water inlet pipe；7, water distribution Device；8, annular water tank；9, tube body；10, the first solenoid valve；11, electromagnetic switch；12, filtering film component；13, adsorption zone；14, it gives up Water buffer area；15, exhaust fan；16, pH detector；17, water level sensor；18, the first drainpipe；19, the second drainpipe；20, Second solenoid valve；21, first motor；22, stirring shaft；23, stirring rod；24, bearing；25, the second motor；26, load-bearing pillar；27, Load-bearing plate；28, round hollow-out parts；29, rotating disc；30, connecting rod；31, scroll wheel；32, water pipe；33, chemical feed pipe；34, Three solenoid valves；35, the 4th solenoid valve；36, the 5th solenoid valve；37, circular heating tube；38, temperature detector；39, door body；40, Annular vent mouth；41, waterproof bulkhead；42, annular storage area；43, fixed screen deck；44, filter membrane；45, folding；46, locking screw Bolt；47, curved baffle；48, protective film.

Specific embodiment

Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.

In one embodiment of the present of invention, as shown in figs. 1-7, a kind of heavy-metal waste water treatment device is provided, including outer Shell 1, inner housing 2, agitating device and water-distributing device, agitating device are set to inside inner housing 2, inner housing 2 and water-distributing device It is all set in inside shell 1, water-distributing device is fixedly connected with inner housing 2, and 1 side wall of outer housing is provided with controller 3, outer housing 1 Top is provided with drug-feeding tube 4, feed pipe 5 and water inlet pipe 6, and water-distributing device includes the cloth being respectively arranged inside and outside inner housing 2 Hydrophone 7 and annular water tank 8 are connected to by tube body 9 between annular water tank 8 and water distributor 7, the first solenoid valve are provided on tube body 9 10, optimally, water distributor 7 is connected at least provided with 4 by tube body 9 between water distributor 7；Optimally, agitating device includes the One motor 21, stirring shaft 22 and the stirring rod 23 being set on stirring shaft 22, first motor 21 are fixedly connected with outer housing 1, the The shaft of one motor 21 is fixedly connected with stirring shaft 22, and stirring shaft 22 is set to inside inner housing 2 through inner housing 2, stirring shaft 22 are connect with inner housing 2 by bearing 24.

Drug-feeding tube 4 and water inlet pipe 6 are all set in the surface of annular water tank 8, and feed pipe 5 is set to 2 top of inner housing, interior Electromagnetic switch 11 is provided at the top of shell 2, optimally, 4 upper end of drug-feeding tube is connected separately with water pipe 32 and chemical feed pipe 33, clear water It is respectively arranged with third solenoid valve 34 and the 4th solenoid valve 35 on pipe 32 and chemical feed pipe 33, the 5th electromagnetism is provided on water inlet pipe 6 Valve 36.

Removable filter membrane module 12 is provided in the middle part of inner housing 2, optimally, filtering film component 12 includes being hinged Fixed screen deck 43 and the filter membrane 44 that is set in fixed screen deck 43,43 side of fixed screen deck is connected by folding 45, another Side is attached by clamping screw 46；Optimally, curved baffle 47 is additionally provided on 2 inner wall of inner housing；Filtering film component 12 It is adsorption zone 13 and waste water buffer area 14 by 2 inside division of inner housing, is provided with pumping on the corresponding inner housing 2 in waste water buffer area 14 Blower 15 is provided with pH detector 16 in adsorption zone 13, water level sensor 17 is provided in waste water buffer area 14, exhaust fan 15 is set It is placed in 17 top of water level sensor, inner housing 2 and 1 bottom of outer housing are respectively arranged with the first drainpipe 18 and the second drainpipe 19, the free end of the first drainpipe 18 is provided with second solenoid valve 20, exhaust fan 15, pH detector 16, water level sensor 17, One solenoid valve 10, second solenoid valve 20 and electromagnetic switch 11 are electrically connected with controller 3.

It optimally, further include rocking equipment, rocking equipment is including the second motor 25, load-bearing pillar 26 and for placing inner housing 2 load-bearing plate 27, load-bearing plate 27 are fixedly connected by load-bearing pillar 26 with outer housing 1, and round hollow out is provided in the middle part of load-bearing plate 27 Portion 28 is provided with rotating disc 29 in round hollow-out parts 28, and rotating disc 29 is connect by connecting rod 30 with inner housing 2,2 bottom of inner housing Portion is additionally provided with scroll wheel 31, and the second motor 25 is set on outer housing 1 corresponding with round hollow-out parts 28, the second motor 25 Shaft be fixedly connected with rotating disc 29, the second motor 25 is electrically connected with controller 3.Optimally, load-bearing pillar 26 is at least provided with 4 Root is coated with waterproof isolation board 41 on the outside of load-bearing pillar 26, and annular is formed between waterproof isolation board 41, load-bearing plate 27 and outer housing 1 Storage area 42；

Optimally, it is provided with circular heating tube 37 on 2 inner wall of inner housing, circular heating tube 37 is provided with two, adsorption zone 13 are additionally provided with temperature detector 38, and circular heating tube 37 and temperature detector 38 are electrically connected with controller 3, optimally, ring The outside of shape heating tube 37 is provided with protective film 48.

Optimally, door body 39 is additionally provided on 1 side wall of outer housing, door body 39 is set to 27 top of load-bearing plate.Optimally, outside The shape of shell 1 and inner housing 2 is cylinder, and the shape of load-bearing plate 27 is circle, and the diameter of load-bearing plate 27 is less than outer housing 1 Diameter, between load-bearing plate 27 and inner housing 2 formed annular vent mouth 40, annular vent mouth 40 for the first drainpipe 18 draining It uses.

Above structure use process is as follows: by controller 3, open electromagnetic switch 11, by active carbon from feed pipe 5 plus Enter in inner housing 2, be then shut off electromagnetic switch 11, open the 4th solenoid valve 35 and the 5th solenoid valve 36, make heavy metal wastewater thereby and PH adjusting agent is added in annular water tank 8, is then turned on the first solenoid valve 10, and the liquid in annular water tank 8 is allowed to pass through tube body 9 and cloth Hydrophone 7 sprays into adsorption zone 13, when the water level of adsorption zone 13 reaches preset value, controls the 4th solenoid valve 35, the first solenoid valve 10 It closes, meanwhile, control pH detector 16, temperature detector 38, water level sensor 17, agitating device and rocking equipment are opened, when When temperature detector 38 detects that the temperature of water body in adsorption zone 13 is not up to preset value, controller 3 is just transmitted a signal to, is controlled Device 3 processed controls circular heating tube 37 for water body heating, when pH detector 16 detects that the water pH value of adsorption zone 13 is not up to pre- If when value, sending a signal to controller 3, controller 3 controls the 4th solenoid valve 35 and the first solenoid valve 10 is opened, so that pH tune Section agent flows into adsorption zone 13, further increases the adsorption effect of active carbon.

Agitating device can in adsorption zone 13 water body and active carbon be stirred, improve adsorption effect；Rocking equipment can Entire inner housing 2 is driven to carry out eccentric rotary simultaneously, agitating device and rocking equipment work at the same time, and improve activity to greatest extent Contact of the charcoal with heavy metal wastewater thereby improves clean-up effect so that the heavy metal in heavy metal wastewater thereby is tightly held by activated carbon.

After a certain period of time, the water level in waste water buffer area 14 reach a certain height for processing, is sensed by water level sensor 17, Water level signal is sent to controller 3, controller 3 controls second solenoid valve 20 and opens, and the water body in waste water buffer area 14 just flows Into annular storage area 42, then as needed, the switch valve on the second drainpipe 19 is opened, discharge into water can be gone out to the dress In setting；After water body discharge in waste water buffer area 14, water level decreasing, water level sensor 17 can not detect water level signal, at this point, Controller 3 controls exhaust fan 15 and works, so that forming negative pressure in waste water buffer area 14, accelerates the waste water filtering in adsorption zone 13, Waste water in adsorption zone 13 constantly enters waste water buffer area 14, when water level sensor 17 detects water level signal again, repeats The purpose of the water body filtration after accelerating absorption can be realized in aforesaid operations.

Claims (10)

1. a kind of heavy-metal waste water treatment device, which is characterized in that including outer housing (1), inner housing (2), agitating device and cloth Water installations, the agitating device are set to the inner housing (2) inside, and the inner housing (2) and the water-distributing device are respectively provided with Internal in the outer housing (1), the water-distributing device is fixedly connected with the inner housing (2), outer housing (1) the side wall setting Have controller (3), drug-feeding tube (4), feed pipe (5) and water inlet pipe (6), the water distribution dress are provided at the top of the outer housing (1) Set water distributor (7) and annular water tank (8) including being respectively arranged inside and outside the inner housing (2), the annular water tank (8) It is connected to the water distributor (7) by tube body (9), is provided with the first solenoid valve (10), the drug-feeding tube on the tube body (9) (4) and the water inlet pipe (6) is all set in the surfaces of the annular water tank (8), and the feed pipe (5) is set to the inner casing It above body (2), is provided with electromagnetic switch (11), is provided in the middle part of the inner housing (2) dismountable at the top of the inner housing (2) Filtering film component (12), the filtering film component (12) is adsorption zone (13) by the inner housing (2) inside division and waste water is slow It rushes area (14), is provided with exhaust fan (15), the adsorption zone on the corresponding inner housing (2) of the waste water buffer area (14) (13) it is provided with pH detector (16) in, is provided with water level sensor (17), the exhaust fan in the waste water buffer area (14) (15) it is set to the water level sensor (17) top, the inner housing (2) and the outer housing (1) bottom are respectively arranged with The free end of one drainpipe (18) and the second drainpipe (19), first drainpipe (18) is provided with second solenoid valve (20), The exhaust fan (15), pH detector (16), water level sensor (17), the first solenoid valve (10), second solenoid valve (20) and electricity Magnetic switch (11) is electrically connected with the controller (3).

2. heavy-metal waste water treatment device according to claim 1, which is characterized in that the agitating device includes the first electricity Machine (21), stirring shaft (22) and the stirring rod (23) being set on the stirring shaft (22), the first motor (21) with it is described Outer housing (1) is fixedly connected, and the shaft of the first motor (21) is fixedly connected with the stirring shaft (22), the stirring shaft (22) it is set to the inner housing (2) inside through the inner housing (2), the stirring shaft (22) and the inner housing (2) are logical Cross bearing (24) connection.

3. heavy-metal waste water treatment device according to claim 1 or 2, which is characterized in that it further include rocking equipment, it is described Rocking equipment includes the second motor (25), load-bearing pillar (26) and the load-bearing plate (27) for placing the inner housing (2), described to hold Disk (27) is fixedly connected by the load-bearing pillar (26) with the outer housing (1) again, is provided with circle in the middle part of the load-bearing plate (27) Shape hollow-out parts (28), the circle hollow-out parts (28) are interior to be provided with rotating disc (29), and the rotating disc (29) passes through connecting rod (30) it is connect with the inner housing (2), inner housing (2) bottom is additionally provided with scroll wheel (31), second motor (25) It is set on the outer housing (1) corresponding with round hollow-out parts (28), the shaft of second motor (25) and institute It states rotating disc (29) to be fixedly connected, second motor (25) is electrically connected with the controller (3).

4. heavy-metal waste water treatment device according to claim 3, which is characterized in that drug-feeding tube (4) the upper end difference It is connected with water pipe (32) and chemical feed pipe (33), third electricity is respectively arranged on the water pipe (32) and the chemical feed pipe (33) Magnet valve (34) and the 4th solenoid valve (35) are provided with the 5th solenoid valve (36) on the water inlet pipe (6).

5. heavy-metal waste water treatment device according to claim 4, which is characterized in that set on inner housing (2) inner wall It is equipped with circular heating tube (37), the circular heating tube (37) is provided with two, and the adsorption zone (13) is additionally provided with temperature inspection It surveys device (38), the circular heating tube (37) and the temperature detector (38) are electrically connected with the controller (3).

6. heavy-metal waste water treatment device according to claim 5, which is characterized in that on outer housing (1) side wall also It is provided with door body (39), the door body (39) is set to above the load-bearing plate (27).

7. heavy-metal waste water treatment device according to claim 6, which is characterized in that the outer housing (1) and inner housing (2) shape is cylinder, and the shape of the load-bearing plate (27) is circle, and the diameter of the load-bearing plate (27) is less than described outer The diameter of shell (1) forms annular vent mouth (40) between the load-bearing plate (27) and the inner housing (2), the ring row It puts mouth (40) and drains use for first drainpipe (18).

8. heavy-metal waste water treatment device according to claim 7, which is characterized in that the load-bearing pillar (26) is at least arranged Have 4, be coated with waterproof isolation board (41) on the outside of the load-bearing pillar (26), the waterproof isolation board (41), load-bearing plate (27) and Annular storage area (42) is formed between outer housing (1).

9. heavy-metal waste water treatment device according to claim 8, which is characterized in that the filtering film component (12) includes The fixed screen deck (43) being hinged and the filter membrane (44) being set in the fixed screen deck (43).

10. heavy-metal waste water treatment device according to claim 9, which is characterized in that the water distributor (7) is at least arranged There are 4, is connected between the water distributor (7) by the tube body (9).