CN113800689A

CN113800689A - Water treatment system and method with heavy metal removal mechanism

Info

Publication number: CN113800689A
Application number: CN202111097948.XA
Authority: CN
Inventors: 陈金爱; 杨静; 陈耀从
Original assignee: Fujian Tuopu Detection Technology Co ltd
Current assignee: Fujian Tuopu Detection Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2021-12-17

Abstract

The invention discloses a water treatment system with a heavy metal removal mechanism, which comprises a base, wherein an adsorption and filtration mechanism, a reaction mechanism, an electrolysis mechanism and a suction mechanism are sequentially arranged on the base; according to the water treatment system with the heavy metal removal mechanism, the adsorption mechanism and the reaction mechanism are matched with the electrolysis mechanism to realize multi-stage treatment of sewage containing heavy metals, compared with the traditional single water treatment mode, the water treatment effect is improved, the treatment efficiency is improved, the functions of automatic quantitative dosing and automatic floating foam suction are realized by matching the suction mechanism and the medicine storage tank with the PLC, the labor consumption is reduced, the treatment efficiency is improved, large fluctuation of sewage is avoided when floating foam is sucked, the sewage and a reaction medicament in the reaction box are quickly and fully stirred by matching the arranged stirring assembly with the discharge assembly, the phenomenon of dead zones is avoided, and the reaction speed is improved.

Description

Water treatment system and method with heavy metal removal mechanism

Technical Field

The invention relates to the technical field of water treatment, in particular to a water treatment system with a heavy metal removal mechanism and a water treatment method with the heavy metal removal mechanism.

Background

Along with the progress of science and technology, a large amount of wastewater is generated in the industrial production process, so that the problem of heavy metal pollution of water in China is very prominent, the wastewater treatment is not slow, the traditional metal pollution wastewater treatment device mostly adopts a single treatment mode to treat the wastewater, the treatment effect is not good, the national discharge standard cannot be met, the treatment process is complicated, a chemical method sedimentation method used in the wastewater treatment process needs to add a medicament into the wastewater for chemical sedimentation, but the traditional stirring device easily generates a reaction dead zone, so that sedimentation reaction is not thorough, sediments are not easy to remove, when the heavy metal is removed by using an electrolytic method, froth generated by electrolysis needs to be continuously removed, but the existing froth removal device adopts a net bag structure to salvage the froth, the process can cause that the wastewater has large fluctuation, so that the froth can be mixed into the wastewater again, the processing efficiency is reduced.

Therefore, a water treatment system with a heavy metal removal mechanism and a method thereof are provided.

Disclosure of Invention

The technical task of the present invention is to provide a water treatment system and method with a heavy metal removing mechanism to solve the above problems.

The technical scheme of the invention is realized as follows:

the invention provides a water treatment system with a heavy metal removal mechanism, which comprises a base, wherein an adsorption filtering mechanism, a reaction mechanism and an electrolysis mechanism are sequentially arranged on the base;

the adsorption and filtration mechanism is used for adsorbing and filtering larger particles of impurities in sewage, and comprises an adsorption tank and an adsorption component, wherein the adsorption tank is arranged above the base through a first support, the adsorption component is detachably mounted in the adsorption tank, the adsorption component comprises two support plates, a quartz sand filtering layer, an active carbon adsorption layer and filter cloth are sequentially arranged between the two support plates from top to bottom, a placing groove is formed in the top of the adsorption tank, and the two support plates are inserted into the placing groove;

reaction mechanism is used for right the sewage that contains heavy metal after absorption filtering mechanism filters reacts to make remove most heavy metal in the sewage, reaction mechanism includes reaction tank and stirring subassembly and discharge assembly, the reaction tank passes through two fixed settings of support the top of base, the last fixed surface of base installs a delivery pump, the water inlet of a delivery pump through a connecting pipe with the bottom of absorption tank is linked together, the delivery port of a delivery pump through a water pipe with one side of reaction tank is inside to be linked together, the stirring subassembly includes agitator motor, (mixing) shaft and stirring board, agitator motor fixed mounting be in the top of reaction tank, the (mixing) shaft rotates to be set up the inside of reaction tank, stirring board fixed connection be in on the (mixing) shaft, the upper end of (mixing) shaft is rotated through ball bearing the top of reaction tank with agitator motor's commentaries on classics run through The shafts are fixedly connected;

the discharge assembly is arranged at the inner bottom of the reaction box and comprises a conveying motor, a transmission shaft, a spiral blade and a conveying pipe, the conveying motor is fixedly mounted at the lower end of one side of the reaction box through a motor base, the transmission shaft is rotatably arranged at the lower end of the inner part of the reaction box, one end of the transmission shaft rotatably penetrates through one side of the reaction box through a sealing bearing and is fixedly connected with a rotating shaft of the conveying motor, the spiral blade is fixedly connected to the transmission shaft, the lower end of the conveying pipe is communicated with the inner part of the lower end of one side of the reaction box, and the conveying pipe is provided with a conveying valve;

the electrolysis mechanism is used for right the process is got rid of to further heavy metal is carried out to water after reaction mechanism reacts, electrolysis mechanism includes the electrolysis box, the electrolysis box passes through three fixed settings of support the top of base, the last fixed surface of base installs the secondary delivery pump, the water inlet of secondary delivery pump pass through the secondary connecting pipe with one side of reaction box is inside to be linked together, the delivery port of secondary delivery pump pass through the secondary water supply pipe with one side of electrolysis box is inside to be linked together, the relative both sides face of electrolysis box is fixedly connected with anode plate and negative plate respectively, the bottom intercommunication of electrolysis box has the blow off pipe, be provided with the blowoff valve on the blow off pipe, one side intercommunication of electrolysis box has the drain pipe, be provided with the drain valve on the drain pipe.

Preferably, a suction mechanism is arranged above the electrolytic tank, the suction mechanism comprises a suction assembly and an adjusting assembly, the adjusting assembly comprises a portal frame, the portal frame is fixedly connected to the upper surface of the base, a forward and reverse rotation motor is fixedly mounted on one side of the top of the portal frame through a mounting seat, a sliding chute is formed in the top of the portal frame, a sliding block is arranged in the sliding chute in a sliding manner, an electric push rod is fixedly mounted at the bottom of the sliding block, a screw rod is rotatably arranged in the sliding chute, one end of the screw rod rotatably penetrates through one side of the sliding chute and is fixedly connected with a rotating shaft of the forward and reverse rotation motor, and the other end of the screw rod is rotatably mounted on the other side of the sliding chute in a threaded manner of penetrating through the side surface of the sliding block;

the suction assembly comprises a suction pump and an adsorption pipe, the suction pump is fixedly installed at the top of the portal frame, the adsorption pipe is fixedly connected to the end portion of a telescopic rod of the electric push rod, an inlet of the suction pump is communicated with the adsorption pipe through a connecting hose, the bottom of the adsorption pipe is communicated with a plurality of flat nozzles in an equal distance mode, and an outlet of the suction pump is connected with the treatment box.

Preferably, an ultrasonic transducer plate is fixedly mounted on one side of the interior of the electrolytic tank.

Preferably, a medicine storage tank is fixedly arranged at the top of the reaction box, the bottom of the medicine storage tank is communicated with a medicine outlet pipe, the lower end of the medicine outlet pipe is communicated with the inside of the reaction box, and a medicine outlet valve is arranged on the medicine outlet pipe.

Preferably, the stirring plate is arranged obliquely, and an included angle between the stirring plate and the horizontal direction is 15-35 degrees.

Preferably, be provided with the control box on the base, the inside fixed mounting of control box has the PLC controller, the inner wall of reaction box is provided with level sensor, level sensor with the input electric connection of PLC controller, the output of PLC controller with the automatically controlled end of primary transfer pump the automatically controlled end electric connection of medicine valve goes out.

Preferably, the surface of the control box is fixedly provided with a function button, the function button is electrically connected with the input end of the PLC, and the stirring motor, the blow-down valve, the conveying motor, the conveying valve, the drain valve, the forward and reverse rotating motor, the electric push rod, the suction pump and the secondary conveying pump are controlled by the PLC.

Preferably, lifting lugs are arranged at two ends of the top of the supporting plate.

Preferably, the bottom of the reaction box is provided with a conical arc shape.

The invention also provides a water treatment method with a heavy metal removal mechanism, which adopts any one of the water treatment systems with the heavy metal removal mechanism to treat sewage, and specifically comprises the following steps:

s1, introducing the sewage into an adsorption filtering mechanism, and adsorbing and filtering large-particle impurities in the sewage through an adsorption component;

s2, guiding the filtered sewage into an electrolytic tank through a primary conveying pump, when the liquid level reaches a set value, controlling the primary conveying pump to be closed by a PLC (programmable logic controller), simultaneously controlling a medicine outlet valve to be opened, adding a quantitative reaction medicament into the reaction tank, starting a rotating shaft of a stirring motor and a rotating shaft of a conveying motor to rotate clockwise, further quickly and fully stirring the sewage and the added medicament in the reaction tank, then closing the stirring motor and the conveying motor, and standing for 20-40 min;

s3, starting a secondary conveying pump to pump supernatant in the reaction box into the electrolytic box, then opening an anode plate and a cathode plate to carry out electrolytic treatment on sewage in the electrolytic box, vibrating the sewage in the electrolytic box through an ultrasonic energy conversion plate to accelerate the electrolytic rate, simultaneously controlling a telescopic rod of an electric push rod to drive an adsorption tube to descend to the water surface of the sewage, then opening a suction pump to rapidly suck away floating foam produced on the surface of the sewage, and controlling a forward and reverse motor to drive the adsorption tube to reciprocate on the electrolytic box by a PLC (programmable logic controller) until the floating foam is not produced;

and S4, opening a drain valve to safely discharge the treated water body.

Compared with the prior art, the invention has the advantages and positive effects that:

1. according to the invention, the adsorption mechanism and the reaction mechanism are matched with the electrolysis mechanism to realize multi-stage treatment of the sewage containing heavy metals, and compared with the traditional single water treatment mode, the multi-stage treatment device not only improves the water treatment effect, but also improves the treatment efficiency.

2. According to the invention, the functions of automatic quantitative dosing and automatic foam pumping are realized by matching the PLC through the arranged pumping mechanism and the medicine storage tank, the labor consumption is reduced, the treatment efficiency is improved, and in addition, the sewage cannot generate larger fluctuation when foam pumping is carried out.

3. Through the stirring subassembly cooperation discharge assembly that sets up, realized the quick, abundant stirring to sewage and reaction medicament in the reaction box, not only avoid appearing the phenomenon in blind spot, improved reaction rate moreover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a flow diagram of a water treatment method having a heavy metal removal mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a water treatment system having a heavy metal removal mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic structural view from another perspective of a water treatment system having a heavy metal removal mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic front view of a water treatment system having a heavy metal removal mechanism according to an embodiment of the present invention;

FIG. 5 is an exploded view of an adsorptive filtration mechanism of a water treatment system having a heavy metal removal mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic sectional view showing a reaction tank of a water treatment system having a heavy metal removing mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of an electrolytic tank of a water treatment system having a heavy metal removal mechanism according to an embodiment of the present invention;

FIG. 8 is a schematic structural view from another perspective of an electrolytic tank of a water treatment system having a heavy metal removal mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a pumping mechanism of a water treatment system having a heavy metal removal mechanism according to an embodiment of the present invention;

fig. 10 is a schematic structural view from another perspective of a pumping mechanism of a water treatment system having a heavy metal removal mechanism according to an embodiment of the present invention.

In the figure: 100. a base; 101. a first bracket; 102. a second bracket; 103. a third bracket; 104. a control box;

200. an adsorption filtration mechanism; 201. an adsorption tank; 202. a support plate; 203. a quartz sand filter layer; 204. an activated carbon adsorption layer; 205. filtering cloth; 206. lifting lugs; 207. a placement groove;

300. a reaction mechanism; 301. a reaction box; 302. a stirring motor; 303. a stirring shaft; 304. a stirring plate; 305. a conveying motor; 306. a transmission shaft; 307. a helical blade; 308. a liquid level sensor; 310. a delivery pipe; 311. a delivery valve;

400. an electrolysis mechanism; 401. an electrolytic tank; 402. a blowoff valve; 403. a blow-off pipe; 404. an anode plate; 405. a drain pipe; 406. a drain valve; 407. a cathode plate; 408. an ultrasonic transducing plate;

500. a suction mechanism; 501. a gantry; 502. a positive and negative rotation motor; 503. a chute; 504. a screw rod; 505. an adsorption tube; 506. a suction pump; 507. a connecting hose; 508. flat mouth; 509. an electric push rod; 510. a slider;

601. a primary delivery pump; 602. a primary connecting pipe; 603. a primary water supply pipe;

700. a medicine storage tank; 701. a medicine outlet pipe; 702. a medicine outlet valve;

800. a secondary delivery pump; 801. a secondary connecting pipe; 803. and (5) a secondary water supply pipe.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention is further described with reference to the following figures and specific examples.

Example 1.

As shown in fig. 2 to 10, the present invention provides a water treatment system with a heavy metal removing mechanism, which comprises a base 100, an adsorption filtration mechanism 200, a reaction mechanism 300, an electrolysis mechanism 400 and a suction mechanism 500;

the adsorption and filtration mechanism 200 is used for adsorbing and filtering larger particles of impurities in the sewage, the adsorption and filtration mechanism 200 is composed of an adsorption tank 201 and an adsorption component, the adsorption tank 201 is arranged above the base 100 through a first support 101, and the adsorption component is detachably mounted in the adsorption tank 201;

the adsorption component is composed of two support plates 202, a quartz sand filter layer 203, an activated carbon adsorption layer 204 and filter cloth 205, the quartz sand filter layer 203, the activated carbon adsorption layer 204 and the filter cloth 205 are sequentially arranged between the two support plates 202 from top to bottom, a placing groove 207 is formed in the top of the adsorption box 201, the two support plates 202 are inserted into the placing groove 207, and lifting lugs 206 are arranged at two ends of the top of each support plate 202 for cleaning and replacing the adsorption component conveniently;

the operation principle of the adsorption filtration mechanism 200 is as follows: after the sewage enters the adsorption tank 201, the sewage is sequentially isolated on the quartz sand filter layer 203, the activated carbon adsorption layer 204 and the filter cloth 205 according to the sizes of impurity particles in the sewage, so that the effect of primary filtration is achieved, and the sewage is prevented from containing larger-particle impurities and increasing the treatment cost during subsequent treatment;

wherein, the reaction mechanism 300 is used for reacting the sewage containing heavy metals after being filtered by the adsorption and filtration mechanism 200, so as to remove most of the heavy metals in the sewage, the reaction mechanism 300 is composed of a reaction box 301, a stirring component and a discharge component, the reaction box 301 is fixedly arranged above the base 100 through a bracket II 102, a primary delivery pump 601 is fixedly arranged on the upper surface of the base 100, a water inlet of the primary delivery pump 601 is communicated with the bottom of the adsorption box 201 through a primary connecting pipe 602, a water outlet of the primary delivery pump 601 is communicated with the inside of one side of the reaction box 301 through a primary water supply pipe 603, the stirring component comprises a stirring motor 302, the stirring motor 302 is fixedly arranged on the top of the reaction box 301, a stirring shaft 303 is rotatably arranged inside the reaction box 301, a stirring plate 304 is fixedly connected on the stirring shaft 303, in order to turn over the stirring plate 304 up and down in the water body in the reaction box 301 in an inclined arrangement, an included angle between the stirring plate 304 and the horizontal direction is 15-35 degrees, and the upper end of the stirring shaft 303 penetrates through the top of the reaction box 301 through the rotation of a ball bearing and is fixedly connected with a rotating shaft of the stirring motor 302;

the discharge assembly is arranged at the inner bottom of the reaction box 301, the discharge assembly comprises a conveying motor 305, the conveying motor 305 is fixedly arranged at the lower end of one side of the reaction box 301 through a motor base, the lower end of the inner part of the reaction box 301 is rotatably provided with a transmission shaft 306, one end of the transmission shaft 306 is rotatably connected with a rotating shaft of the conveying motor 305 through one side of the reaction box 301 through a sealing bearing, a spiral blade 307 is fixedly connected onto the transmission shaft 306, in order to ensure that the spiral blade 307 is completely contacted with the inner bottom of the reaction box 301, the bottom of the reaction box 301 is set to be in a conical arc shape, the lower end of one side of the reaction box 301 is communicated with a conveying pipe 310, and the conveying pipe 310 is provided with a conveying valve 311;

the operating principle of the reaction mechanism 300 is as follows: after sewage after filtering gets into in the reaction tank 301, to adding the reaction medicament of corresponding volume in the reaction tank 301, start agitator motor 302's pivot and conveyor motor 305's pivot clockwise rotation, and then carry out quick, abundant stirring to sewage in the reaction tank 301 and the medicament that adds, then stew, take the supernatant away the back, control conveyor motor 305 anticlockwise rotation, will deposit the solid in reaction tank 301 bottom, floccule discharge reaction tank 301 to with next sewage treatment.

Wherein, in order to improve the continuity of water treatment, one adsorption filtration mechanism 200 can be provided with a plurality of reaction mechanisms 300;

the electrolysis mechanism 400 is used for further removing heavy metals from the water body after the reaction of the reaction mechanism 300, the electrolysis mechanism 400 comprises an electrolysis tank 401, the electrolysis tank 401 is fixedly arranged above the base 100 through a third support 103, a secondary delivery pump 800 is fixedly arranged on the upper surface of the base 100, a water inlet of the secondary delivery pump 800 is communicated with the inside of one side of the reaction tank 301 through a secondary connecting pipe 801, a water outlet of the secondary delivery pump 800 is communicated with the inside of one side of the electrolysis tank 401 through a secondary water supply pipe 803, two opposite side surfaces of the electrolysis tank 401 are respectively and fixedly connected with an anode plate 404 and a cathode plate 407, the bottom of the electrolysis tank 401 is communicated with a sewage discharge pipe 403, a sewage discharge valve 402 is arranged on the sewage discharge pipe 403, a drain pipe 405 is communicated with one side of the electrolysis tank 401, a drain pipe 406 is arranged on the drain pipe 405, one anode plate 404 and the cathode plate 407 matched with the anode plate are an electrolysis set, an paired electrolysis group is arranged in the electrolysis box 401, and the distance between the anode plate 404 and the cathode plate 407 is 3 cm-8 cm, so that the effect of electrolytic reaction is guaranteed;

the suction mechanism 500 comprises a suction component and an adjusting component, the adjusting component comprises a portal frame 501, a forward and reverse rotation motor 502, a sliding block 510, an electric push rod 509 and a screw rod 504, the portal frame 501 is fixedly connected to the upper surface of the base 100, the forward and reverse rotation motor 502 is fixedly arranged on one side of the top of the portal frame 501 through a mounting seat, a sliding groove 503 is formed in the top of the portal frame 501, the sliding block 510 is arranged inside the sliding groove 503 in a sliding mode, the electric push rod 509 is fixedly arranged at the bottom of the sliding block 510, the screw rod 504 is rotatably arranged inside the sliding groove 503, one end of the screw rod 504 rotatably penetrates through one side of the sliding groove 503 and is fixedly connected with a rotating shaft of the forward and reverse rotation motor 502, and the other end of the screw rod 504 rotatably penetrates through the side surface of the sliding block 510 and is arranged on the other side of the sliding groove 503;

the suction assembly comprises a suction pump 506 and an adsorption pipe 505, the suction pump 506 is fixedly installed at the top of the portal frame 501, the adsorption pipe 505 is fixedly connected to the end part of a telescopic rod of an electric push rod 509, the inlet of the suction pump 506 is communicated with the adsorption pipe 505 through a connecting hose 507, the bottom of the adsorption pipe 505 is equidistantly communicated with a plurality of flat nozzles 508, the outlet of the suction pump 506 is connected with the treatment box

The operating principle of the pumping mechanism 500 is as follows: when electrolysis is started in the electrolytic tank 401, froth generated by electrolytic reaction can continuously appear in the electrolytic tank 401, the telescopic rod of the electric push rod 509 is controlled to drive the adsorption tube 505 to descend to the water surface of the sewage, then the suction pump 506 is started to rapidly suck away the froth produced on the surface of the sewage, and the forward and reverse rotating motor 502 is controlled to drive the adsorption tube 505 to do reciprocating motion on the electrolytic tank 401 until the froth is not generated.

An ultrasonic transducer plate 408 is fixedly mounted on one side of the interior of the electrolytic tank 401.

By adopting the technical scheme, the flow speed of the sewage can be accelerated, and the electrolysis efficiency is further improved.

The top of reaction box 301 is fixed with medicine storage tank 700, and medicine outlet pipe 701 is connected to medicine storage tank 700's bottom, and the lower extreme that goes out medicine pipe 701 is linked together with reaction box 301's inside, is provided with out medicine valve 702 on going out medicine pipe 701.

Through adopting above-mentioned technical scheme, need not artifical manual medicine that adds, alleviate manpower consumption.

Be provided with control box 104 on the base 100, the inside fixed mounting of control box 104 has the PLC controller, and the inner wall of reaction box 301 is provided with level sensor 308, level sensor 308 and PLC controller's input electric connection, the output of PLC controller and the automatically controlled end electric connection of the automatically controlled end of a delivery pump 601, play medicine valve 702.

Through adopting above-mentioned technical scheme, realize adding sewage in the automatic case reaction tank 301 on the one hand, need not artifical on duty, its two has realized adding quantitative medicament according to the volume of reaction tank 301 sewage, avoids the medicament to add too much and leads to the waste, perhaps the medicament adds too little, leads to the reaction incomplete.

The surface of the control box 104 is fixedly provided with a function button, the function button is electrically connected with the input end of the PLC controller, and the stirring motor 302, the blow-down valve 402, the conveying motor 305, the conveying valve 311, the drain valve 406, the forward and reverse rotating motor 502, the electric push rod 509, the suction pump 506 and the secondary conveying pump 800 are all controlled by the PLC controller.

By adopting the technical scheme, the automation degree is improved, and the use by an operator is facilitated.

Example 2

As shown in fig. 1, the method for treating water with a heavy metal removal mechanism provided by the invention adopts the water treatment system with a heavy metal removal mechanism to treat sewage, and specifically comprises the following steps:

s1, introducing the sewage into an adsorption filtering mechanism 200, and adsorbing and filtering large-particle impurities in the sewage through an adsorption component;

s2, guiding the filtered sewage into an electrolytic tank 401 through a primary conveying pump 601, when the liquid level reaches a set value, controlling the primary conveying pump 601 to be closed by a PLC (programmable logic controller), simultaneously controlling a medicine outlet valve 702 to be opened, adding a quantitative reaction medicament into a reaction tank 301, starting a rotating shaft of a stirring motor 302 and a rotating shaft of a conveying motor 305 to rotate clockwise, further quickly and fully stirring the sewage and the added medicament in the reaction tank 301, then closing the stirring motor 302 and the conveying motor 305, and standing for 20-40 min;

s3, starting a secondary delivery pump 800 to pump supernatant in the reaction tank 301 into the electrolytic tank 401, then opening an anode plate 404 and a cathode plate 407 to carry out electrolytic treatment on sewage in the electrolytic tank 401, vibrating the sewage in the electrolytic tank 401 through an ultrasonic wave transduction plate 408 to accelerate the electrolytic rate, simultaneously controlling a telescopic rod of an electric push rod 509 to drive an adsorption tube 505 to descend to the water surface of the sewage, then opening a suction pump 506 to rapidly suck away floating foam produced on the surface of the sewage, and controlling a forward and reverse motor 502 to drive the adsorption tube 505 to reciprocate on the electrolytic tank 401 by a PLC controller until the floating foam is not produced;

and S4, opening the drain valve 406 to discharge the treated water body safely.

The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims

1. A water treatment system with a heavy metal removal mechanism, characterized in that: the device comprises a base (100), wherein an adsorption filtering mechanism (200), a reaction mechanism (300) and an electrolysis mechanism (400) are sequentially arranged on the base (100).

2. The water treatment system with a heavy metal removal mechanism of claim 1, wherein: the adsorption and filtration mechanism (200) is used for adsorbing and filtering larger particles of impurities in sewage, the adsorption and filtration mechanism (200) comprises an adsorption tank (201) and an adsorption component, the adsorption tank (201) is arranged above the base (100) through a first support (101), the adsorption component is detachably mounted in the adsorption tank (201), the adsorption component comprises two support plates (202), a quartz sand filter layer (203), an active carbon adsorption layer (204) and filter cloth (205) are sequentially arranged between the two support plates (202) from top to bottom, a placement groove (207) is formed in the top of the adsorption tank (201), and the two support plates (202) are inserted into the placement groove (207);

the reaction mechanism (300) is used for reacting the sewage containing heavy metals after being filtered by the adsorption and filtration mechanism (200) so as to remove most of the heavy metals in the sewage, the reaction mechanism (300) comprises a reaction tank (301), a stirring assembly and a discharging assembly, the reaction tank (301) is fixedly arranged above the base (100) through a second support (102), a primary delivery pump (601) is fixedly arranged on the upper surface of the base (100), a water inlet of the primary delivery pump (601) is communicated with the bottom of the adsorption tank (201) through a primary connecting pipe (602), a water outlet of the primary delivery pump (601) is communicated with the inside of one side of the reaction tank (301) through a primary water feeding pipe (603), the stirring assembly comprises a stirring motor (302), a stirring shaft (303) and a stirring plate (304), the stirring motor (302) is fixedly arranged at the top of the reaction tank (301), the stirring shaft (303) is rotatably arranged in the reaction box (301), the stirring plate (304) is fixedly connected to the stirring shaft (303), and the upper end of the stirring shaft (303) rotatably penetrates through the top of the reaction box (301) through a ball bearing and is fixedly connected with a rotating shaft of the stirring motor (302);

the discharging assembly is arranged at the inner bottom of the reaction box (301), the discharging assembly comprises a conveying motor (305), a conveying shaft (306), a spiral blade (307) and a conveying pipe (310), the conveying motor (305) is fixedly installed at the lower end of one side of the reaction box (301) through a motor base, the conveying shaft (306) is rotatably arranged at the lower end of the inside of the reaction box (301), one end of the conveying shaft (306) rotatably penetrates through one side of the reaction box (301) through a sealing bearing and is fixedly connected with a rotating shaft of the conveying motor (305), the spiral blade (307) is fixedly connected to the conveying shaft (306), the lower end of the conveying pipe (310) is communicated with the inside of the lower end of one side of the reaction box (301), and the conveying pipe (310) is provided with a conveying valve (311);

the electrolysis mechanism (400) is used for further removing heavy metals from the water body after the reaction of the reaction mechanism (300), the electrolysis mechanism (400) comprises an electrolysis tank (401), the electrolysis tank (401) is fixedly arranged above the base (100) through a third support (103), a secondary delivery pump (800) is fixedly arranged on the upper surface of the base (100), a water inlet of the secondary delivery pump (800) is communicated with the inside of one side of the reaction tank (301) through a secondary connecting pipe (801), a water outlet of the secondary delivery pump (800) is communicated with the inside of one side of the electrolysis tank (401) through a secondary water supply pipe (803), two opposite side surfaces of the electrolysis tank (401) are respectively and fixedly connected with an anode plate (404) and a cathode plate (407), the bottom of the electrolysis tank (401) is communicated with a drain pipe (403), and a drain valve (402) is arranged on the drain pipe (403), one side of the electrolytic tank (401) is communicated with a drain pipe (405), and the drain pipe (405) is provided with a drain valve (406); a suction mechanism (500) is arranged above the electrolytic tank (401), the suction mechanism (500) comprises a suction assembly and a regulating assembly, the adjusting component comprises a portal frame (501), the portal frame (501) is fixedly connected to the upper surface of the base (100), a forward and reverse rotating motor (502) is fixedly arranged on one side of the top of the portal frame (501) through a mounting seat, the top of the portal frame (501) is provided with a sliding chute (503), the sliding chute (503) is internally provided with a sliding block (510) in a sliding manner, an electric push rod (509) is fixedly arranged at the bottom of the slide block (510), a screw rod (504) is rotatably arranged in the chute (503), one end of the screw rod (504) is rotatably penetrated through one side of the sliding groove (503) and is fixedly connected with a rotating shaft of the forward and reverse rotating motor (502), the other end of the screw rod (504) penetrates through the side surface of the sliding block (510) in a threaded manner and is rotatably arranged on the other side of the sliding groove (503);

the suction assembly comprises a suction pump (506) and an adsorption pipe (505), the suction pump (506) is fixedly installed at the top of the portal frame (501), the adsorption pipe (505) is fixedly connected to the end portion of a telescopic rod of the electric push rod (509), the inlet of the suction pump (506) is communicated with the adsorption pipe (505) through a connecting hose (507), the bottom of the adsorption pipe (505) is equidistantly communicated with a plurality of flat nozzles (508), and the outlet of the suction pump (506) is connected with the treatment box.

3. A water treatment system having a heavy metal removal mechanism as claimed in claim 2, wherein: an ultrasonic wave energy conversion plate (408) is fixedly arranged on one side in the electrolytic tank (401).

4. A water treatment system having a heavy metal removal mechanism as claimed in claim 2, wherein: the top of reaction box (301) is fixed and is provided with medicine storage tank (700), the bottom intercommunication of medicine storage tank (700) has out pencil (701), go out the lower extreme of pencil (701) with the inside of reaction box (301) is linked together, be provided with out medicine valve (702) on going out pencil (701).

5. The water treatment system with a heavy metal removal mechanism of claim 4, wherein: the stirring plate (304) is obliquely arranged, and an included angle between the stirring plate (304) and the horizontal direction is 15-35 degrees.

6. A water treatment system having a heavy metal removal mechanism as claimed in claim 2, wherein: be provided with control box (104) on base (100), the inside fixed mounting of control box (104) has the PLC controller, the inner wall of reaction box (301) is provided with level sensor (308), level sensor (308) with the input electric connection of PLC controller, the output of PLC controller with the automatically controlled end of once delivery pump (601), the automatically controlled end electric connection of play medicine valve (702).

7. The water treatment system with a heavy metal removal mechanism of claim 6, wherein: the surface of control box (104) is fixed and is installed the function button, the function button with PLC controller's input electric connection, agitator motor (302), blowoff valve (402), conveyor motor (305), conveyor valve (311), drain valve (406), just reverse motor (502), electric putter (509) and suction pump (506) and secondary delivery pump (800) all are controlled by PLC controller.

8. The water treatment system with a heavy metal removal mechanism of claim 5, wherein: lifting lugs (206) are arranged at two ends of the top of the supporting plate (202).

9. A water treatment system having a heavy metal removal mechanism as claimed in claim 2, wherein: the bottom of the reaction box (301) is set to be in a conical arc shape.

10. A method of water treatment characterized by: the method for treating sewage by using the water treatment system with the heavy metal removal mechanism as claimed in any one of claims 2 to 9 comprises the following steps:

s1, introducing the sewage into an adsorption filtering mechanism (200) and adsorbing and filtering large-particle impurities in the sewage through an adsorption component;

s2, introducing the filtered sewage into an electrolytic tank (401) through a primary conveying pump (601), when the liquid level reaches a set value, controlling the primary conveying pump (601) to be closed by a PLC (programmable logic controller), simultaneously controlling a medicine outlet valve (702) to be opened, adding a quantitative reaction medicament into a reaction tank (301), then starting a rotating shaft of a stirring motor (302) and a rotating shaft of a conveying motor (305) to rotate clockwise, further quickly and fully stirring the sewage and the added medicament in the reaction tank (301), then closing the stirring motor (302) and the conveying motor (305), and standing for 20-40 min;

s3, starting a secondary delivery pump (800) to pump supernatant in a reaction tank (301) into an electrolytic tank (401), then opening an anode plate (404) and a cathode plate (407) to carry out electrolytic treatment on sewage in the electrolytic tank (401), vibrating the sewage in the electrolytic tank (401) through an ultrasonic energy conversion plate (408) to accelerate the electrolytic rate, simultaneously controlling a telescopic rod of an electric push rod (509) to drive an adsorption tube (505) to descend to the water surface of the sewage, then opening a suction pump (506) to rapidly suck away floating foam produced on the surface of the sewage, and controlling a forward and reverse motor (502) to drive the adsorption tube (505) to reciprocate on the electrolytic tank (401) by a PLC controller until the floating foam is not produced;

and S4, opening a drain valve (406) to discharge the treated water body safely.