CN115677095A - Electroplating sewage zero-discharge treatment device and treatment process thereof - Google Patents
Electroplating sewage zero-discharge treatment device and treatment process thereof Download PDFInfo
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- CN115677095A CN115677095A CN202211303331.3A CN202211303331A CN115677095A CN 115677095 A CN115677095 A CN 115677095A CN 202211303331 A CN202211303331 A CN 202211303331A CN 115677095 A CN115677095 A CN 115677095A
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Abstract
The invention discloses an electroplating sewage zero-discharge treatment device and a treatment process thereof, and the electroplating sewage zero-discharge treatment device comprises a bottom plate, wherein a heating mechanism is arranged at the top of the bottom plate, a sedimentation mechanism is arranged at the top of the heating mechanism, and a feeding mechanism is arranged at the rear part of the sedimentation mechanism. This electroplating sewage zero release processing apparatus and processing technology thereof, through install first water tank respectively at the top of heating cabinet, second water tank and third water tank, use at collocation water pump and throw material mechanism, the combined action of these structures, can carry out the stage treatment with electroplating effluent, every time independent processing can subside the metal hydroxide of different pH values alone through adding suitable lime breast toward its inside, make different metal particles in the waste water collect alone, convenient follow-up recycle to metal particle, waste on the resource has been reduced.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an electroplating sewage zero-discharge treatment device and a treatment process thereof.
Background
The electroplating wastewater is generally from cleaning water of plated parts, waste electroplating solution and other wastewater, including washing the floor of a workshop, brushing polar plate washing water, ventilating equipment condensed water, the water quality and quantity of the electroplating wastewater, electroplating production process conditions, production load, operation management, water using modes and other factors are related, the water quality is complex, the components are difficult to control, the components comprise chromium, cadmium, nickel, copper, zinc, gold, silver and other heavy metal ions, cyanide and the like, and currently, in order to settle impurities in the wastewater, a chemical agent is used for flocculation, but the existing equipment cannot enable a flocculating agent to be quickly mixed with the wastewater, cannot fully filter sediments in the wastewater, and is low in efficiency, and the existing patent documents improve the components.
Electroplating abandonment sewage treatment plant like chinese patent CN212640171U, the utility model discloses an electroplating abandonment sewage treatment plant, the novel nipple rectifier comprises a cylindrical shel, the upper end fixedly connected with upper rod of barrel, the upper end of upper rod is connected with the inlet pipe, the upper end of upper rod is connected with adds the material pipe, the central point of upper rod puts fixedly connected with agitator motor. The beneficial effects of the utility model are that the upper end fixedly connected with inlet pipe at the upper boom, add material pipe and agitator motor, the leading-in sewage of inlet pipe, add the material pipe and add metal ion precipitation flocculating agent, it carries out the material mixing to drive the mixing arm through agitator motor, the bottom fixedly connected with distribution ring of barrel, the gaseous evenly distributed of intake pipe leading-in is encircled to the distribution, the air supporting of mixing material is carried out to gas through the bottom, further gather the suspended solid when carrying out the material intensive mixing, subsequent filtration treatment of being convenient for, inside fixedly connected with baffle of barrel and guide plate, carry out the water conservancy diversion through the guide plate, be convenient for mix the directional water conservancy diversion of back fluid.
Although above-mentioned patent has carried out filtration step by step through the fine filter screen, make the filter effect better, but whole in the in-service use can not bring convenient use, if contain the metallic impurity of a large amount of different weight in the electroplating effluent, if use the flocculating agent to flocculate it, then will mix different kinds of metal particle wherein and condense into a group together, make staff can't separate and recycle different heavy metal particle when subsequent processing, the waste on the resource has been caused, an electroplating sewage zero release processing apparatus designs again now, can conveniently separate and recycle different metal particle.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an electroplating wastewater zero-discharge treatment device and a treatment process thereof, which solve the problems that different metal particles in wastewater are disordered and condensed and are not beneficial to subsequent classification recycling because the conventional electroplating wastewater treatment device can only flocculate by a flocculating agent.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an electroplating sewage zero release processing apparatus, includes the bottom plate, the top of bottom plate is provided with the intensification mechanism, the mechanism is subsided to the top of intensification mechanism installation, subside the rear portion of mechanism and install and throw the material mechanism.
Preferably, the heating mechanism includes the heating cabinet, the heating cabinet passes through fixed block fixed mounting in the top of bottom plate, the bottom of heating cabinet inner chamber has the hot plate through seting up opening fixed mounting, and the hot plate is provided with a plurality of, the equal fixedly connected with chute board in both sides of heating cabinet inner chamber, the inside slidable mounting of chute board has the slider, two fixedly connected with places the frame between the slider.
Preferably, it includes first water tank, second water tank and third water tank to subside the mechanism, first water tank, second water tank and third water tank all through support fixed connection in the top of heating cabinet, the bottom of first water tank, second water tank and third water tank is all through seting up opening fixedly connected with drainage box, the right side the anterior of flowing back bottom of the case portion both sides all through seting up the thermal-insulated section of thick bamboo of opening fixedly connected with the rear portion, and the bottom of thermal-insulated section of thick bamboo runs through the heating cabinet and extends to the inside of heating cabinet, the inboard of thermal-insulated section of thick bamboo is provided with the heat conduction pole, the rear portion of heating cabinet is through seting up opening fixedly connected with air duct, and the top of air duct extends to the inboard of third water tank.
Preferably, the water conservancy diversion frame that uses with flowing back case looks cooperation is placed to the bottom of first water tank, second water tank and third water tank inner chamber, the thread groove that runs through to the bottom is seted up to the bottom of water conservancy diversion frame inner chamber, the inboard threaded connection of thread groove has a section of thick bamboo, the top cap is installed at the top of third water tank, the annular mouth has been seted up at the top of top cap, sealed lid has been placed to the inboard of annular mouth, the front side on top cap top is through seting up opening fixedly connected with outlet duct, the bottom fixed mounting who strains the inner chamber has the handle.
Preferably, support fixedly connected with prefabricated case is passed through in the left side at bottom plate top, fixed block fixedly connected with limiting plate is passed through on the upper portion at prefabricated case rear portion, the both sides on limiting plate surface are all through seting up opening fixedly connected with inlet line, the front portion of prefabricated bottom of the case portion and rear portion are all through seting up the first drain pipe of opening fixedly connected with, and the bottom of first drain pipe extends to the inside of first water tank, the fixed surface of first drain pipe installs first solenoid valve.
Preferably, the surface of the second water tank is fixedly connected with a water pump, a water inlet of the water pump is fixedly connected with three second liquid discharge pipes, the bottom ends of the three second liquid discharge pipes are fixedly communicated with the three liquid discharge tanks respectively, the surface of each second liquid discharge pipe is fixedly provided with a second electromagnetic valve, a water outlet of the water pump is fixedly provided with three liquid guide pipes, the top end of the liquid guide pipe on the right side is fixedly communicated with the surface of the air outlet pipe, and the top end of the liquid guide pipe in the middle part extends to the inner side of the second water tank.
Preferably, the feeding mechanism comprises two liquid collecting tanks, the two liquid collecting tanks are fixedly connected among the rear portions of the first water tank, the second water tank and the third water tank through fixing blocks, agent feeding pipes matched with the first water tank, the second water tank and the third water tank are fixedly communicated with the two sides of the bottom of the liquid collecting tank and the right side of the bottom of the right liquid collecting tank on the left side, and third electromagnetic valves are mounted on the surfaces of the agent feeding pipes.
Preferably, the equal fixedly connected with location box in rear portion of first water tank, second water tank and third water tank, the inboard slidable mounting of location box has U type pole, and is three the one end of U type pole extends to first water tank, second water tank and third water tank respectively inboard, U type pole extends to the inside one end fixedly connected with buoyancy piece of first water tank, second water tank and third water tank, the mounting groove has been seted up on the right side of location box inner chamber, and the mounting groove is provided with a plurality of, infrared inductor is installed to the inboard of mounting groove, U type pole is located the inside one end fixedly connected with of location box and matches the sign board that uses with infrared inductor.
Preferably, the surface of the prefabricated box is fixedly connected with a central processing unit, the output ends of the infrared sensor and the central processing unit are connected with the input end of a data comparator, the output end of the data comparator is connected with the input end of a feedback module, the output ends of the feedback module and the key are connected with the input end of the central processing unit, and the output end of the central processing unit is connected with the input end of a third electromagnetic valve.
The invention also discloses a treatment process of the electroplating sewage zero-discharge treatment device, which specifically comprises the following steps:
s1, before use, firstly, two liquid inlet pipes are respectively connected with a wastewater pool, then electroplating wastewater is introduced into the inner side of a prefabricated box, data is input into a central processing unit through a key for setting, then, a plurality of heating plates are started to heat the interior of a heating box, after the interior of the prefabricated box is filled with the electroplating wastewater, alkaline solution is added into the prefabricated box, the alkaline solution and the electroplating wastewater are mixed and then react with different metal impurities in the electroplating wastewater, in the process, lime milk and alum are respectively added into the two liquid collecting boxes, after standing for a period of time, metal hydroxides with different pH values can be generated in the electroplating wastewater, and after the generation of the metal hydroxides is completed, a step extraction process is carried out;
s2, in the step extraction process, a first electromagnetic valve is opened to enable wastewater in the prefabricated box to flow into a first water tank through a first liquid discharge pipe, when the wastewater is injected into the first water tank, a U-shaped rod slowly rises under the buoyancy of a buoyancy block, meanwhile, an identification plate rises, the identification plate sequentially scans and records time with a plurality of infrared sensors and transmits data to a data comparator in real time, the data comparator is combined with set data of a central processing unit to compare after the U-shaped rod stops rising, then a data result is fed back to the central processing unit through a feedback module, the central processing unit receives the data and then starts a third electromagnetic valve according to an infrared sensor triggered recently at a time point, the lime milk is quantitatively injected into the first water tank, the quantitative lime milk enters the wastewater, the characteristic that different metal hydroxides precipitate under different pH values is utilized, the metal hydroxides with high pH values are rapidly precipitated into a filter cartridge in advance, after the central processing unit stands for a period of time, a water pump is started and opens a second electromagnetic valve below the first water tank, the wastewater flows into a second water tank through a second electromagnetic valve and is finally treated by a water pump after the metal hydroxides precipitate into the second water tank, and the third electromagnetic valve is finally, and the wastewater is treated by a water pump;
s3, when wastewater subjected to multiple times of settlement enters the third water tank, metal impurities contained in the wastewater are minimized, the central processing unit starts the third electromagnetic valve to quantitatively throw alum into the third water tank, relevant personnel rotate the filter cylinders in the first water tank and the second water tank through handles to take out the filter cylinders, then the heating tank is opened to pour metal hydroxide in the filter cylinders into the placing frame to be flattened, then the filter cylinders are pushed into the heating tank to be heated at high temperature, the heat conducting rod guides part of heat into the third water tank to heat the wastewater, the reaction between the alum and the wastewater is improved, the impurities in the wastewater can be rapidly settled, waste gas generated during high temperature heating enters the wastewater through the air guide tube to be filtered and is discharged from the air outlet tube, the metal hydroxide is reduced into metal oxide after high temperature heating, the impurities in the wastewater are recycled after reduction is completed, the impurities in the wastewater in the third water tank are efficiently removed after alum is subjected to precipitation, then a next step of water pump starting a disinfection process, the relevant personnel open a sealing cover to clean the interior of the third water tank and reinstall the filter cylinders in the third water tank, and then a next batch of wastewater is subjected to be subjected to next sewage treatment.
The invention provides an electroplating sewage zero-emission treatment device and a treatment process thereof. Compared with the prior art, the method has the following beneficial effects:
(1) This electroplate sewage zero release processing apparatus, install first water tank respectively through the top at the heating cabinet, second water tank and third water tank, use at collocation water pump and throw material mechanism, the combined action of these structures, can carry out the stage treatment with electroplating effluent, every time independent processing can subside the metal hydroxide of different pH values alone through adding suitable lime breast toward its inside, make different metal particles in the waste water collect alone, convenient follow-up recycle to metal particle, the waste on the resource has been reduced.
(2) This electroplate sewage zero release processing apparatus, top through at the bottom plate is provided with the heating cabinet, and a plurality of hot plate is installed to the bottom of heating cabinet inner chamber, and be provided with heat conduction pole and air duct between heating cabinet and the third water tank, the setting of this group's structure can be after metal hydroxide collects, carry out high-temperature heating to it, thereby decompose into metal oxide, it is processing work to make things convenient for the follow-up, the heat conduction pole can be with partial heat lead like in the inside waste water of third water tank simultaneously, make the flocculating agent fast reaction in the waste water, improve flocculation rate, and the effect of air duct filters and flocculation reaction in leading to waste water with the waste gas that high temperature produced, the holistic practicality of equipment and functionality have been improved.
(3) This electroplate sewage zero release processing apparatus throws material mechanism through the rear portion setting at first water tank, second water tank and third water tank, throws the input that the setting of material mechanism can reach the ration through central processing unit and a plurality of infrared inductor's effect and carry out accurate lime cream to waste water for the metal subsides and reaches the automation, reduces artifical direct operation and participates in, has brought the facility for the staff.
(4) This electroplating sewage zero release processing apparatus all installs the drainage case through the bottom at first water tank, second water tank and third water tank to set up water conservancy diversion frame, thread groove and strain these structures of a section of thick bamboo inside it, can make flocculate can be intercepted fast, and the staff can dismantle a section of thick bamboo fast simultaneously, conveniently collects the clearance with its inside material, also can dismantle fast when follow-up to the plant maintenance simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a schematic diagram of a precast box, a limiting plate and a liquid inlet pipe structure according to the invention;
FIG. 4 is a cross-sectional view of a third tank and drain tank configuration of the present invention;
FIG. 5 is an exploded view of a third tank, baffle frame, filter cartridge, top cover and closure arrangement of the present invention;
FIG. 6 is a plan view showing an inner structure of a third water tank according to the present invention;
FIG. 7 is a top view of a filter cartridge and handle arrangement of the present invention;
FIG. 8 is a schematic view of the cage, U-shaped bar and buoyancy block configuration of the present invention;
FIG. 9 is a cross-sectional view of a localisation box arrangement according to the invention;
FIG. 10 is a cross-sectional view of a heater box structure of the present invention;
FIG. 11 is a schematic view of the slider and placement frame configuration of the present invention;
fig. 12 is a schematic diagram of the block diagram operation of the present invention.
In the figure: 1. a base plate; 2. a temperature raising mechanism; 3. a sedimentation mechanism; 4. a feeding mechanism; 5. prefabricating a box; 6. a limiting plate; 7. a liquid inlet pipe; 8. a first drain pipe; 9. a first solenoid valve; 10. a water pump; 11. a second drain pipe; 12. a second solenoid valve; 13. a catheter; 201. a heating box; 202. heating plates; 203. a chute plate; 204. a slider; 205. placing the frame; 206. a heat insulating cylinder; 207. a heat conducting rod; 208. a gas-guide tube; 301. a first water tank; 302. a second water tank; 303. a third water tank; 304. a drainage tank; 305. a flow guide frame; 306. a thread groove; 307. a filter cartridge; 308. a top cover; 309. a sealing cover; 310. an annular mouth; 311. a handle; 312. an air outlet pipe; 401. a liquid collection tank; 402. a dosing pipe; 403. a third electromagnetic valve; 404. a positioning box; 405. a U-shaped rod; 406. a buoyancy block; 407. mounting grooves; 408. an infrared sensor; 409. a marking plate; 410. a central processing unit; 411. pressing a key; 412. a data comparator; 413. and a feedback module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-12, the present invention provides two technical solutions:
example one
The utility model provides an electroplating effluent zero release processing apparatus, comprising a base plate 1, the top of bottom plate 1 is provided with intensification mechanism 2, the top of intensification mechanism 2 is installed and is subsided mechanism 3, subside the rear portion of mechanism 3 and install feeding mechanism 4, intensification mechanism 2 includes heating cabinet 201, heating cabinet 201 passes through fixed block fixed mounting in the top of bottom plate 1, the bottom of heating cabinet 201 inner chamber has heating plate 202 through seting up opening fixed mounting, and heating plate 202 is provided with a plurality of, the equal fixedly connected with chute board 203 in both sides of heating cabinet 201 inner chamber, the inside slidable mounting of chute board 203 has slider 204, fixedly connected with places frame 205 between two sliders 204
Example two
The utility model provides an electroplating sewage zero release processing apparatus, includes bottom plate 1, and the top of bottom plate 1 is provided with heating mechanism 2, and the top of heating mechanism 2 is installed and is subsided mechanism 3, and the rear portion of subsiding mechanism 3 is installed and is thrown material mechanism 4.
As a preferred embodiment, in order to heat and reduce metal oxides and heat wastewater, in the present invention, the temperature raising mechanism 2 includes a heating box 201, the heating box 201 is fixedly mounted on the top of the bottom plate 1 through a fixing block, a heating plate 202 is fixedly mounted at the bottom of an inner cavity of the heating box 201 through an opening, a plurality of heating plates 202 are provided, both sides of the inner cavity of the heating box 201 are fixedly connected with a chute plate 203, a slider 204 is slidably mounted inside the chute plate 203, and a placing frame 205 is fixedly connected between the two sliders 204.
In order to classify and extract the metal impurities in the wastewater and collect the metal impurities conveniently, in the present invention, the settling mechanism 3 includes a first water tank 301, a second water tank 302 and a third water tank 303, the first water tank 301, the second water tank 302 and the third water tank 303 are all fixedly connected to the top of the heating tank 201 through a bracket, the bottoms of the first water tank 301, the second water tank 302 and the third water tank 303 are all fixedly connected to a drainage tank 304 through an opening, the front part and the rear part of the two sides of the bottom of the right drainage tank 304 are all fixedly connected to a heat insulation cylinder 206 through an opening, the heat insulation cylinder 206 is made of aerogel material, and the bottom end of the heat insulation cylinder 206 penetrates through the heating tank 201 and extends to the inside of the heating tank 201, the inside of a heat insulation cylinder 206 is provided with a heat conducting rod 207, the rear part of the heating box 201 is fixedly connected with an air duct 208 by forming an opening, and the top end of the air duct 208 extends to the inside of the third water tank 303, the bottom of the inner cavities of the first water tank 301, the second water tank 302 and the third water tank 303 are provided with a flow guide frame 305 matched with the liquid drainage tank 304 for use, the bottom of the inner cavity of the flow guide frame 305 is provided with a thread groove 306 running through to the bottom, the inner side of the thread groove 306 is connected with a filter cylinder 307 by screw threads, the top cover 308 is installed at the top of the third water tank 303, the top cover 308 is provided with an annular opening 310, a sealing cover 309 is placed on the inner side of the annular opening 310, the front side of the top cover 308 top end is fixedly connected with an air outlet pipe 312 by forming an opening, and the bottom of the inner cavity of the filter cylinder 307 is fixedly provided with a handle 311.
As a preferred embodiment, in order to be able to transmit waste water, in the present invention, a prefabricated box 5 is fixedly connected to the left side of the top of a bottom plate 1 through a bracket, a limiting plate 6 is fixedly connected to the upper portion of the rear portion of the prefabricated box 5 through a fixing block, liquid inlet pipes 7 are fixedly connected to both sides of the surface of the limiting plate 6 through openings, a first liquid outlet pipe 8 is fixedly connected to both the front portion and the rear portion of the bottom of the prefabricated box 5 through openings, and the bottom end of the first liquid outlet pipe 8 extends into the first water tank 301, a first electromagnetic valve 9 is fixedly installed on the surface of the first liquid outlet pipe 8, a water pump 10 is fixedly connected to the surface of the second water tank 302, three second liquid outlet pipes 11 are fixedly connected to the water inlet of the water pump 10, the bottom ends of the three second liquid outlet pipes 11 are respectively fixedly communicated with the three liquid outlet tanks 304, a second electromagnetic valve 12 is fixedly installed on the surface of the second liquid outlet pipe 8, three liquid guide pipes 13 are fixedly installed at the water outlet pipe 13, the top end of the right side is fixedly communicated with the surface of the air outlet pipe 312, the middle portion 13 extends into the inner side of the second water tank 302, a feeding mechanism 4 includes two liquid collecting tanks 401, two liquid guide pipes 401 are respectively connected to the water tank 301, the liquid guide pipes 401, the liquid tank 301, the liquid guide pipes 401 and the liquid tank 302 are fixedly connected to the liquid inlet pipes 402, the left side of the liquid tank, and the liquid inlet pipes 401, the third liquid tank 301, the liquid inlet pipes 401 are fixedly connected to the liquid inlet pipes 401, the liquid inlet pipes 402, and the liquid inlet pipes 401, the liquid tank, the liquid inlet pipes 402, the liquid inlet pipes 401 are fixedly connected to the second liquid inlet pipes 402, and the liquid inlet pipes 402, the liquid tank 301, the liquid inlet pipes 401 are fixedly connected to the liquid inlet pipes 402, the liquid inlet pipes.
As a preferred embodiment, in order to accurately and quantitatively feed wastewater, in the invention, positioning boxes 404 are fixedly connected to the rear parts of the first water tank 301, the second water tank 302 and the third water tank 303, a U-shaped rod 405 is slidably mounted on the inner sides of the positioning boxes 404, one ends of the three U-shaped rods 405 respectively extend to the inner sides of the first water tank 301, the second water tank 302 and the third water tank 303, a buoyancy block 406 is fixedly connected to one end of the U-shaped rod 405 extending to the inner parts of the first water tank 301, the second water tank 302 and the third water tank 303, a mounting groove 407 is formed in the right side of the inner cavity of the positioning box 404, and a plurality of mounting grooves 407 are formed, an infrared inductor 408 is installed on the inner side of the installation groove 407, one end of the U-shaped rod 405 located inside the positioning box 404 is fixedly connected with an identification plate 409 matched with the infrared inductor 408 for use, the infrared inductor 408 and the identification plate 409 are matched for use, the infrared inductor 408 can identify the identification plate 409, the surface of the prefabricated box 5 is fixedly connected with a central processor 410, the output ends of the infrared inductor 408 and the central processor 410 are connected with the input end of a data comparator 412, the output end of the data comparator 412 is connected with the input end of a feedback module 413, the output ends of the feedback module and a key 411 are connected with the input end of the central processor 410, and the output end of the central processor 410 is connected with the input end of a third electromagnetic valve 403.
The advantages of the second embodiment over the first embodiment are: through being provided with heating cabinet 201 at the top of bottom plate 1, and a plurality of hot plate 202 is installed to the bottom of heating cabinet 201 inner chamber, and be provided with heat conduction pole 207 and air duct 208 between heating cabinet 201 and the third water tank 303, the setting of this group of structure can be after metal hydroxide collects, carry out high temperature heating to it, thereby decompose into metal oxide, make things convenient for the follow-up to be the processing work, heat conduction pole 207 can be with leading-in partial heat in the inside waste water of third water tank 303, make the flocculating agent quick reaction in the waste water, improve the flocculation rate, and air duct 208's effect leads to waste gas that the high temperature produced to filter and flocculation reaction in the waste water, the holistic practicality and the functional of equipment have been improved, through set up feeding mechanism 4 at the rear portion of first water tank 301, second water tank 302 and third water tank 303, feeding mechanism 4's setting can reach the ration through the effect of central processing unit 410 and a plurality of infrared inductor 408 and carry out accurate lime cream's to waste water's setting, make metal subside to reach the automation, reduce artifical direct operation participation, bring the convenience for the staff, through in first water tank 301, through the setting of second water tank 302 and the third water tank 303, the water tank, it can all can be convenient to dismantle the filter cartridge 306 to carry out quick removal of water tank and the quick removal of the water tank and the filter cartridge 306 to the water tank and can be carried out when the quick removal of the filter cartridge 306 to the quick removal of the collection simultaneously, and the convenient collection of the water tank is installed, it is carried out the quick collection structure, it can all to the quick collection, and the quick collection of the filter cartridge 306, it can be convenient to dismantle simultaneously, it is convenient to the quick collection equipment to collect the water tank, it is convenient to dismantle.
The invention also discloses a treatment process of the electroplating sewage zero-discharge treatment device, which specifically comprises the following steps:
s1, before use, firstly, two liquid inlet pipes 7 are respectively connected with a wastewater pool, then electroplating wastewater is introduced into the inner side of a prefabricated box 5, a key 411 is used for inputting data to a central processing unit 410 for setting, then a plurality of heating plates 202 are started to heat the interior of a heating box 201, after the interior of the prefabricated box 5 is filled with the electroplating wastewater, alkaline solution is added into the prefabricated box, the alkaline solution and the wastewater are mixed and then react with different metal impurities in the wastewater, in the process, lime milk and alum are respectively added into two liquid collecting boxes 401 in a full filling mode, after standing for a period of time, metal hydroxides with different pH values can be generated in the wastewater, and after the generation of the metal hydroxides is completed, a step extraction process is carried out;
s2, in the step of extracting, the first electromagnetic valve 9 is opened to make the wastewater inside the prefabricated box 5 flow into the first water tank 301 through the first liquid discharge pipe 8, when the wastewater is injected into the first water tank 301, the U-shaped rod 405 slowly rises under the buoyancy of the buoyancy block 406, the identification plate 409 sequentially rises to scan and record time with the plurality of infrared sensors 408 and transmit data to the data comparator 412 in real time, after the U-shaped rod 405 stops rising, the data comparator 412 compares the data with the set data of the central processor 410, and then the data result is fed back to the central processor 410 through the feedback module 413, after the central processor 410 receives the data, the third electromagnetic valve 403 is started according to the infrared sensor 408 triggered recently at the time point, the quantitative lime milk is put into the first water tank 301, the quantitative lime milk enters the wastewater, the characteristic that different metal hydroxides precipitate at different pH values is utilized, the metal hydroxides with high pH values are pre-coagulated and quickly precipitate into the interior of the filter cartridge 307, after standing for a period of time, the water pump 10 is started and opens the second water tank 301, so that the wastewater is treated by the second electromagnetic valve 302, and the wastewater in the final step of the second water tank 302 is left in which is treated by the second electromagnetic valve 302, and the wastewater which is left in the wastewater tank 302 which is treated by the second electromagnetic valve 302, and the wastewater tank 302, and the wastewater which is left in the last step of the wastewater tank 302, and is treated by the wastewater tank 302, and the wastewater which is left in the wastewater tank 302, and is treated by the last electromagnetic valve which is treated by the electromagnetic valve 410;
s3, when wastewater subjected to multiple times of sedimentation enters the third water tank 303, metal impurities contained in the wastewater are reduced to the minimum, the central processing unit 410 starts the third electromagnetic valve 403 to quantitatively put alum into the third water tank 303, relevant personnel rotate the filter cartridges 307 in the first water tank 301 and the second water tank 302 through the handles 311 to take out the alum, then the heating tank 201 is opened to pour metal hydroxides in the filter cartridges 307 into the placing frame 205 to be flattened, then the alum is pushed into the heating tank 201 to be heated at high temperature, the heat conducting rod 207 conducts part of heat into the third water tank 303 to heat the wastewater, the reaction between the alum and the wastewater is improved, the impurities in the wastewater can be quickly settled, waste gas generated during high temperature heating enters the wastewater through the air guide pipe 208 to be filtered and is discharged from the air outlet pipe 312, the metal hydroxides are reduced into metal oxides again after high temperature heating, the metal oxides are recycled after reduction is completed, the impurities in the wastewater in the third water tank 303 after sedimentation are efficiently removed, then the water pump 10 is started to sterilize the water tank, and a batch of the relevant personnel is treated by opening the next step of installing a new batch of the filter cartridges 303 and then the wastewater is treated again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an electroplating sewage zero release processing apparatus, includes bottom plate (1), its characterized in that: the heating device is characterized in that a heating mechanism (2) is arranged at the top of the bottom plate (1), a settling mechanism (3) is installed at the top of the heating mechanism (2), and a feeding mechanism (4) is installed at the rear part of the settling mechanism (3).
2. The electroplating wastewater zero-discharge treatment device and the treatment process thereof according to claim 1, wherein the electroplating wastewater zero-discharge treatment device is characterized in that: warming mechanism (2) are including heating cabinet (201), heating cabinet (201) are through fixed block fixed mounting in the top of bottom plate (1), the bottom of heating cabinet (201) inner chamber has hot plate (202) through seting up opening fixed mounting, and hot plate (202) are provided with a plurality of, the equal fixedly connected with chute board (203) in both sides of heating cabinet (201) inner chamber, the inside slidable mounting of chute board (203) has slider (204), two fixedly connected with places frame (205) between slider (204).
3. The electroplating wastewater zero-discharge treatment device according to claim 2, which is characterized in that: sedimentation mechanism (3) are including first water tank (301), second water tank (302) and third water tank (303), first water tank (301), second water tank (302) and third water tank (303) are all through support fixed connection in the top of heating cabinet (201), the bottom of first water tank (301), second water tank (302) and third water tank (303) is all through seting up opening fixedly connected with drainage case (304), the right side the front portion and the rear portion of drainage case (304) bottom both sides all through seting up opening fixedly connected with heat insulating cylinder (206), and the bottom of heat insulating cylinder (206) runs through heating cabinet (201) and extend to the inside of heating cabinet (201), the inboard of heat insulating cylinder (206) is provided with heat conduction pole (207), the rear portion of heating cabinet (201) is through seting up opening fixedly connected with air duct (208), and the top of air duct (208) extends to the inboard of third water tank (303).
4. The electroplating wastewater zero-discharge treatment device according to claim 3, which is characterized in that: the utility model discloses a drainage box, including first water tank (301), second water tank (302) and third water tank (303), the bottom in first water tank (301), second water tank (302) and third water tank (303) inner chamber is placed and is used with flowing back liquid tank (304) cooperation water conservancy diversion frame (305), thread groove (306) that run through to the bottom are seted up to the bottom in water conservancy diversion frame (305) inner chamber, the inboard threaded connection of thread groove (306) has a section of thick bamboo (307), top cap (308) are installed to the top of third water tank (303), annular mouth (310) have been seted up at the top of top cap (308), sealed lid (309) have been placed to the inboard of annular mouth (310), the front side on top cap (308) top is through seting up opening fixedly connected with outlet duct (312), the bottom fixed mounting who strains the inner chamber of section of thick bamboo (307) has handle (311).
5. The electroplating wastewater zero-discharge treatment device according to claim 1, which is characterized in that: support fixedly connected with prefabricated case (5) is passed through in the left side at bottom plate (1) top, fixed block fixedly connected with limiting plate (6) is passed through on the upper portion at prefabricated case (5) rear portion, limiting plate (6) surperficial both sides are all through seting up opening fixedly connected with inlet line (7), the front portion and the rear portion of prefabricated case (5) bottom are all through seting up the first drain pipe (8) of opening fixedly connected with, and the bottom of first drain pipe (8) extends to the inside of first water tank (301), the fixed surface of first drain pipe (8) installs first solenoid valve (9).
6. The electroplating wastewater zero-discharge treatment device according to claim 3, which is characterized in that: the surface of the second water tank (302) is fixedly connected with a water pump (10), a water inlet of the water pump (10) is fixedly connected with three second liquid discharge pipes (11), the bottom ends of the three second liquid discharge pipes (11) are fixedly communicated with three liquid discharge tanks (304) respectively, the surface of each second liquid discharge pipe (11) is fixedly provided with a second electromagnetic valve (12), a water outlet of the water pump (10) is fixedly provided with three liquid guide pipes (13), the right side of each liquid guide pipe (13) is fixedly communicated with the surface of an air outlet pipe (312), and the middle part of each liquid guide pipe (13) extends to the inner side of the second water tank (302).
7. The electroplating wastewater zero-discharge treatment device according to claim 3, which is characterized in that: throw material mechanism (4) and be provided with two including collection liquid case (401) and collection liquid case (401) two collection liquid case (401) are respectively through fixed block fixed connection between the rear portion of first water tank (301), second water tank (302) and third water tank (303), the left side both sides of collection liquid case (401) bottom and the right side of right side collection liquid case (401) bottom all are fixed the intercommunication have with first water tank (301), second water tank (302) and third water tank (303) the matched with use throw agent pipe (402), the surface mounting who throws agent pipe (402) has third solenoid valve (403).
8. The electroplating wastewater zero-discharge treatment device according to claim 3, which is characterized in that: the equal fixedly connected with location box (404) in rear portion of first water tank (301), second water tank (302) and third water tank (303), the inboard slidable mounting of location box (404) has U type pole (405), and is three the one end of U type pole (405) extends to first water tank (301), second water tank (302) and third water tank (303) respectively is inboard, U type pole (405) extends to first water tank (301), second water tank (302) and the inside one end fixedly connected with buoyancy piece (406) of third water tank (303), mounting groove (407) have been seted up on the right side of location box (404) inner chamber, and mounting groove (407) are provided with a plurality of, infrared inductor (408) are installed to the inboard of mounting groove (407), U type pole (405) are located the inside one end fixedly connected with of location box (404) and infrared inductor (408) sign board (409) that cooperatees and use.
9. The electroplating wastewater zero-discharge treatment device according to claim 8, which is characterized in that: the surface fixed connection of prefabricated case (5) has central processing unit (410), the output of infrared inductor (408) and central processing unit (410) all is connected with the input of data contrast ware (412), the output of data contrast ware (412) is connected with the input of feedback module (413), the output of feedback module (413) and button (411) all is connected with the input of central processing unit (410), the output of central processing unit (410) is connected with the input of third solenoid valve (403).
10. The treatment process of the electroplating sewage zero-discharge treatment device is characterized in that: the method specifically comprises the following steps:
s1, before use, firstly, two liquid inlet pipes (7) are respectively connected with a wastewater pool, then electroplating wastewater is introduced into the inner side of a prefabricated box (5), a central processing unit (410) is input with data through a key (411) for setting, then a plurality of heating plates (202) are started to heat the interior of a heating box (201), after the interior of the prefabricated box (5) is filled with the electroplating wastewater, an alkaline solution is added into the prefabricated box, the alkaline solution and the wastewater are mixed and then react with different metal impurities in the wastewater, in the process, lime cream and alum are respectively added into the interior of two liquid collecting boxes (401) in a filling mode, after the prefabricated box is kept stand for a period of time, metal hydroxides with different pH values can be generated in the wastewater, and after the generation of the metal hydroxides is completed, the step extraction process is carried out;
s2, in the step of fractional extraction, a first electromagnetic valve (9) is opened to enable wastewater in the prefabricated box (5) to flow into the first water tank (301) through a first drainage pipe (8), when the wastewater is injected into the first water tank (301), a U-shaped rod (405) slowly rises under the buoyancy of a buoyancy block (406), an identification plate (409) rises sequentially to scan and record time with a plurality of infrared sensors (408) and transmit data to a data comparator (412) in real time, after the U-shaped rod (405) stops rising, the data comparator (412) compares the data with the set data of a central processing unit (410), then a feedback module (413) feeds data results back to the central processing unit (410), the central processing unit (410) starts a third electromagnetic valve (403) according to the infrared sensor (408) which is triggered recently at a time point after receiving the data, lime milk is put into the first water tank (301) quantitatively, the quantitative lime milk enters the wastewater, the characteristic that different metal hydroxides precipitate at different pH values is utilized to open to a metal hydroxide precipitation tank (307) with a high pH value, a second electromagnetic valve (307) is opened, and a second electromagnetic valve (13) is started to enable the wastewater to flow into a second water tank (301) to be stood in advance, and a water pump (13) to be placed in a second water tank (13) to be placed in advance, in the process, all the metal hydroxides precipitated in the first step are left in the filter cartridge (307), the wastewater flows into the second water tank (302) and still enters the third electromagnetic valve (403) through the central processing unit (410) to quantitatively throw in lime milk, and after the metals in the wastewater in the second water tank (302) are precipitated again, the water pump (10) injects the final wastewater into the third water tank (303), and at the moment, the final treatment process is carried out;
s3, when the wastewater subjected to multiple times of sedimentation enters the third water tank (303), metal impurities contained in the wastewater are minimized, the central processing unit (410) starts the third electromagnetic valve (403) to quantitatively put alum into the third water tank (303), in the process, the relevant person rotates the filter cartridge (307) inside the first water tank (301) and the second water tank (302) through the handle (311) to take out the filter cartridge, then opening the heating box (201) to pour the metal hydroxide in the filter cartridge (307) on the inner side of the placing frame (205) and spread the metal hydroxide, then the waste water is pushed into the heating box (201) for high-temperature heating, the heat conducting rod (207) guides partial heat into the third water tank (303) for heating the waste water, the reaction of alum and the waste water is improved, so that impurities in the waste water can be rapidly settled, and the waste gas generated in the high-temperature heating process enters the waste water through the gas guide pipe (208) to be filtered and is discharged from the gas outlet pipe (312), the metal hydroxide is reduced into the metal oxide again after being heated at high temperature, and the metal oxide is recycled after being reduced, the impurities in the wastewater in the third water tank (303) are efficiently removed after the wastewater is precipitated by alum, the water pump (10) is then started to pump out the water and perform the next disinfection process, and the relevant personnel open the sealing cover (309) to clean the filter cartridge (307) inside the third water tank (303) and reinstall the filter cartridge, and then perform the next sewage treatment process.
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