Etching wastewater treatment equipment and treatment method

Abstract

The invention is applicable to the technical field of etching wastewater treatment, and provides etching wastewater treatment equipment and a treatment method.The etching wastewater treatment equipment comprises a blending assembly, a primary treatment assembly, a discharge seat, an electrolytic tank, a second conveying pump and an incubator, a water inlet assembly is arranged at the top of the primary treatment assembly, and a filter frame assembly is movably connected to the top of the discharge seat; a filter ball assembly is arranged on the inner wall of the filter frame assembly; through the arrangement of the blending assembly, in the use process, quicklime powder is poured into a stirring pool, a certain amount of clear water is added, a stirring motor is started, a plurality of stirring blades are driven by a stirring rod to conduct uniform stirring to form lime water slurry, a bent discharging pipe is opened, the lime water slurry is discharged into a slurry storage tank, and then a feeding port of the slurry storage tank is closed for standby application; impurities in the quick lime cannot be dissolved after water is added, due to the arrangement of the filter screen, the impurities can be left in the filter screen through the stirring blades and the filter screen in the stirring process, and after stirring is completed, the lime water slurry is completely discharged into the slurry storage tank.

Description

Technical Field

[0001] The invention belongs to the technical field of etching wastewater treatment, and in particular relates to etching wastewater treatment equipment and a treatment method. Background Art

[0002] Etching is a technique that uses chemical reactions or physical impact to remove part of a material; etching technology can be divided into two categories: wet etching and dry etching.

[0003] The etching wastewater treatment equipment and treatment method described in the patent application with reference publication number CN116986777A relate to the field of wastewater treatment technology, including a treatment chamber, a partition, a reaction chamber, a static chamber, an overflow port, an installation chamber, a water outlet pipe, a grinding chamber, a rotating shaft, an arc-shaped blade, a fixed grinding disc, and a movable grinding disc; a driving mechanism for driving the movable grinding disc to intermittently reciprocate toward the fixed grinding disc when the rotating shaft rotates. When the rotating shaft rotates, the driving mechanism drives the movable grinding disc to reciprocate toward the fixed grinding disc, and at the same time, the rotation of the rotating shaft drives the movable grinding disc to rotate, so that the movable grinding disc and the fixed grinding disc rotate relative to each other, and then grinds the lime milk entering between the movable grinding disc and the fixed grinding disc, reduces the particle size of the lime milk, and increases the solubility of the lime milk, so that when the lime milk enters the reaction chamber, the diffusion degree of the lime milk in the etching wastewater in the reaction chamber is expanded, and the reaction efficiency of the lime milk and the hydrofluoric acid in the etching wastewater is improved;

[0004] Commonly used chemicals in the etching process include strong acids such as sulfuric acid, hydrochloric acid, hydrofluoric acid, and nitric acid, and may also contain heavy metals such as copper, nickel, chromium, etc., and chelating agents such as EDTA; if these substances are directly discharged, they will cause serious pollution to the environment, so the treatment equipment and methods must effectively remove these harmful components; however, the current treatment equipment is generally only for preliminary treatment (such as the above-mentioned comparative technical means), and it is impossible to guarantee that the treated water meets the exclusion standards or has little impact on the ecological environment after discharge. In order to solve the above problems, an etching wastewater treatment device and a treatment method are now provided. Summary of the invention

[0005] The present invention provides an etching wastewater treatment device and a treatment method, aiming to solve the problem that the commonly used chemical substances in the existing etching process include strong acids such as sulfuric acid, hydrochloric acid, hydrofluoric acid, nitric acid, etc., and may also contain heavy metals such as copper, nickel, chromium, etc., and chelating agents such as EDTA; if these substances are directly discharged, they will cause serious pollution to the environment, so the treatment equipment and method must effectively remove these harmful components; however, the current treatment equipment is generally only for preliminary treatment, and it is impossible to ensure that the treated water meets the exclusion standard or has little impact on the ecological environment after discharge.

[0006] The present invention is implemented as follows: an etching wastewater treatment device comprises a mixing component, a preliminary treatment component, a discharge seat, an electrolytic cell, a second delivery pump and an incubator: a water inlet component is arranged on the top of the preliminary treatment component, a filter frame component is movably connected to the top of the discharge seat, and a filter ball component is arranged on the inner wall of the filter frame component;

[0007] Wherein, the mixing component includes a stirring tank and a slurry storage tank, a stirring mechanism is arranged on the top of the stirring tank, a filter mesh is fixedly connected to the outer wall of the stirring mechanism, a curved discharge pipe is fixedly connected to the inner wall of the stirring tank, a small control valve is arranged at the upper corner of the curved discharge pipe, a first output pump is arranged at the output end of the slurry storage tank, and an upward spraying pipe is connected to the output end of the slurry storage tank through the first output pump, and a plurality of injection holes are equidistantly provided on the outer wall of the upward spraying pipe, and the plurality of injection holes are inclined upward at 45 degrees.

[0008] Preferably, the top of the stirring tank is fixedly connected to a motor frame, the stirring mechanism comprises a stirring motor fixedly arranged on the inner wall of the motor frame, the output shaft of the stirring motor is fixedly connected to a stirring rod through a coupling, and the outer wall of the stirring rod is fixedly connected to a plurality of stirring blades;

[0009] The stirring blade is hollowed out, and the outer wall of the stirring blade and the filter screen are fixedly connected by small screws; through the setting of the mixing component, in use, quicklime powder is poured into the stirring tank, and a certain amount of clean water is added, and the stirring motor is turned on to drive several stirring blades to stir evenly into lime water slurry through the stirring rod, and the bent discharge pipe is opened to discharge it into the slurry storage tank, and then the feed port of the slurry storage tank is closed for standby use; impurities in the quicklime will not dissolve after adding water, wherein, the setting of the filter screen can keep the impurities in the filter screen through the stirring blade and the filter screen during stirring, and after the stirring is completed, when the lime water slurry is completely discharged into the slurry storage tank, the small screw is rotated to remove the filter screen for cleaning, so as to avoid the lime water slurry produced by the lime water slurry in use to produce a large amount of heat to react physically and chemically with the internal substances of the wastewater, thereby causing atmospheric pollution and even damage to the equipment. At the same time, the coordinated setting of the stirring blade and the filter screen can achieve the impurity removal and filtration effect during stirring, realize a certain mechanism merger and reduction, and thus improve work efficiency.

[0010] Preferably, the water inlet assembly includes a water inlet hopper, the output end of the water inlet hopper is connected to a discharge pipe, the middle part of the discharge pipe is connected to a first ball valve, the middle part of the discharge pipe is connected to a diversion pipe through the first ball valve, the output end of the diversion pipe is connected to a water quality analyzer, the water quality analyzer is a multi-parameter PH water quality analyzer, the discharge end of the discharge pipe is connected to a uniform discharge pipe, and the outer wall of the uniform discharge pipe is equidistantly provided with a plurality of spray holes, and the plurality of spray holes are opened at a downward inclination of 45 degrees, and the spray holes on the uniform discharge pipe are arranged corresponding to the spray holes on the upward spray pipe; through the arrangement of the water inlet assembly, in use, first, the etching wastewater to be treated is discharged into the discharge pipe through the water inlet hopper, the first ball valve is opened to discharge a little wastewater into the diversion pipe and the water quality analyzer for PH detection, and the discharge speed of the lime water slurry of the upward spray pipe is controlled by the first output pump according to the detection data, the lime water slurry is used reasonably, and the waste caused by excessive discharge of the lime water slurry is avoided.

[0011] Preferably, the preliminary treatment assembly comprises a treatment box, two partition lifting hydraulic cylinders are symmetrically arranged on the top of the treatment box, a partition is fixedly connected to the bottom of the partition lifting hydraulic cylinder, a splash shield plate is fixedly connected to the top of the treatment box, and two upper support plates are fixedly connected to the top of the treatment box;

[0012] The inner wall of the upper support plate is closely connected to the outer wall of the uniform sprinkler pipe.

[0013] Preferably, the treatment box comprises a box body, the inner wall of the box body is obliquely provided with a grille, and the inner wall of the box body is movably connected with a water receiving plate mechanism;

[0014] The water receiving plate mechanism includes a rotating shaft movably arranged on the inner wall of the box body, the outer wall of the rotating shaft is movably connected with the water receiving plate, 4014-b is opened on the inner wall of one side of the water receiving plate, and 4014-c is fixedly connected to the bottom of the side of the water receiving plate away from 4014-b; through the setting of the preliminary treatment component, in use, the wastewater treated with lime water slurry not only changes in pH, but also undergoes flocculation and precipitation, when the wastewater is sprayed through the spray hole on the uniform discharge pipe and intersects with the lime water slurry sprayed from the spray hole in the upward spray pipe, it falls into the box body and undergoes flocculation and precipitation in the box body, the partition is opened by controlling the partition lifting hydraulic cylinder to lift and discharge into the grille, and can be filtered through the grille, wherein, by closing the partition, the side containing the partition is formed into a closed state, and PAM flocculant is added to continue the coagulation and precipitation treatment;

[0015] Two ear plates are fixedly connected to one side of the box body, and the inner walls of the ear plates are closely connected to the outer wall of the pulp storage tank.

[0016] Preferably, the filter frame assembly comprises a filter frame, a spherical groove is formed on the bottom inner wall of the filter frame, and a spherical cover is fixedly connected to the top of the filter frame;

[0017] Side sliding blocks are fixedly connected to both sides of the filter frame, and a side lifting hydraulic cylinder is fixedly connected to the bottom of the side sliding block.

[0018] Preferably, the filter ball assembly comprises a side fixing plate fixedly arranged on the outer wall of the filter frame, a lifting hydraulic cylinder is fixedly connected to the bottom of the side fixing plate, a clamp is fixedly connected to one end of the lifting hydraulic cylinder, a rotating shaft is fixedly connected to one end of the lifting hydraulic cylinder through the clamp, a spherical filter cover is fixedly connected to one end of the rotating shaft, and the spherical filter cover is arranged on the inner wall of the spherical groove and is closely connected to the inner wall of the spherical groove;

[0019] The spherical filter cover is composed of two hemispherical hollow cover bodies, and the outer wall of the spherical filter cover is provided with mesh holes, the inner wall of the spherical filter cover is wrapped with activated carbon, and the rotating shaft is composed of two semi-cylindrical shaft bodies; through the setting of the filter ball assembly and the use in conjunction with the filter frame assembly, when in use, when the wastewater treated by coagulation and sedimentation of PAM flocculant in the box is discharged into the spherical cover through the large discharge pipe, it falls into the spherical filter cover through the spherical cover and the spherical groove, and falls down into the electrolytic cell through the mesh holes and activated carbon filtration on the spherical filter cover for the next step of treatment.

[0020] Preferably, both the input end and the output end of the second delivery pump are connected with a hose, and the input end and the output end of the second delivery pump are connected to the incubator through the hose and the electrolytic cell respectively.

[0021] Preferably, a heat preservation cover is provided on the top of the incubator, the heat preservation cover is a hemispherical heat preservation cover, the inner wall is provided with an electric heating resistance wire and a controller, the inner wall of the incubator is provided with a temperature monitoring probe, and the electric heating resistance wire and the controller are electrically connected, and the controller and the temperature monitoring probe are connected through wireless signal transmission;

[0022] The bottom of the preliminary treatment component is fixedly connected to a main support base, and the bottom of the discharge seat is fixedly connected to a secondary support base; through the arrangement of the electrolytic cell, the sewage discharged from the spherical filter cover can be further electrolytically treated to reduce the number of ions in the sewage, and a small portion of the treated wastewater is input into the incubator by the second delivery pump, and common microbial species are added to the incubator. The temperature of the wastewater in the incubator is maintained by adjusting the heat preservation cover through the controller, and the survival and reproduction of the microbial species in the wastewater are observed and detected, so as to judge the acid-base environment after treatment and whether the wastewater contains toxic substances, and then judge the quality of the treated water.

[0023] A method for treating etching wastewater comprises the following steps: S1, firstly, discharging the etching wastewater to be treated into a water quality analyzer through a water inlet hopper and a discharge pipe to detect pH;

[0024] S2, preparing lime water slurry by preparing components;

[0025] S3, discharge the etching wastewater to be treated into the treatment box through the water inlet assembly, and control the discharge speed of the lime slurry from the upward spraying pipe through the first output pump according to the detection data, and use the lime slurry reasonably;

[0026] S4, add PAM flocculant and continue coagulation and sedimentation treatment;

[0027] S5, filtering the wastewater through a filter ball assembly, and then electrolyzing it in an electrolytic cell;

[0028] S6. Finally, the incubator and the heat preservation cover are used together. Some wastewater is introduced into the incubator and common microorganisms are added. The temperature is controlled, and the survival and reproduction of the microorganisms in the wastewater are observed and tested to determine the effect of the multi-stage wastewater treatment.

[0029] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0030] Through the setting of the mixing component, in use, quicklime powder is poured into the mixing tank, and a certain amount of clean water is added, and the stirring motor is turned on to drive several stirring plates through the stirring rod to stir evenly into lime water slurry, and the bent discharge pipe is opened to discharge it into the slurry storage tank, and then the feed port of the slurry storage tank is closed for standby use; impurities in the quicklime will not dissolve after adding water, wherein, the setting of the filter mesh can keep the impurities in the filter mesh through the stirring plate and the filter mesh during stirring, and after the stirring is completed, after the lime water slurry is completely discharged into the slurry storage tank, the small screw is rotated to remove the filter mesh for cleaning, so as to avoid the physical and chemical reaction of a large amount of heat produced by the lime water slurry in use with the internal substances of the wastewater, thereby causing air pollution, and even damage to the equipment, and at the same time, the coordinated setting of the stirring plate and the filter mesh can achieve the impurity removal and filtration effect during stirring, realize a certain mechanism merger and reduction, and thus improve work efficiency;

[0031] Through the setting of the water inlet component, in use, first, the etching wastewater to be treated is discharged into the middle discharge pipe through the water inlet bucket, and the first ball valve is opened to discharge a little wastewater into the diversion pipe and the water quality analyzer for pH detection, and the discharge speed of the lime slurry from the upward spraying pipe is controlled by the first output pump according to the detection data, so as to reasonably use the lime slurry and avoid waste caused by excessive discharge of the lime slurry;

[0032] Through the setting of the preliminary treatment component, in use, the wastewater treated with lime water slurry not only changes in pH, but also undergoes flocculation and precipitation. When the wastewater is sprayed out through the spray hole on the uniform discharge pipe and intersects with the lime water slurry sprayed out from the spray hole in the upward spray pipe, it falls into the box and undergoes flocculation and precipitation in the box. The partition is opened by controlling the partition lifting hydraulic cylinder to be raised and discharged into the grille, and filtered through the grille. The partition is closed to form a closed state on one side, and PAM flocculant is added to continue the coagulation and precipitation treatment.

[0033] Through the setting of the filter ball assembly and the use in conjunction with the filter frame assembly, when in use, the wastewater treated by the coagulation and sedimentation of the PAM flocculant in the box is discharged into the spherical cover through the large discharge pipe, falls into the spherical filter cover through the spherical cover and the spherical groove, and falls down into the electrolytic cell through the mesh holes and activated carbon filtration on the spherical filter cover for the next step of treatment;

[0034] Through the setting of the electrolytic cell, the sewage discharged from the spherical filter cover can be further electrolytically treated to reduce the number of ions in the sewage, and a small part of the treated wastewater is input into the incubator by the second delivery pump, and common microbial species are added to the incubator. The controller then controls the heat preservation cover to maintain the temperature of the wastewater in the incubator, and observes and detects the survival and reproduction of microbial species in the wastewater, so as to judge the acid-base environment after treatment and whether the wastewater contains toxic substances, and then judge the quality of the treated water. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a front view of an etching wastewater treatment device of the present invention;

[0036] Figure 2 It is a structural schematic diagram of a deployment component of an etching wastewater treatment equipment of the present invention;

[0037] Figure 3 It is a structural schematic diagram of a stirring mechanism of an etching wastewater treatment device of the present invention;

[0038] Figure 4 It is a structural schematic diagram of a water inlet assembly of an etching wastewater treatment device of the present invention;

[0039] Figure 5 It is a structural schematic diagram of a preliminary treatment component of an etching wastewater treatment device of the present invention;

[0040] Figure 6 It is a structural schematic diagram of a treatment box of an etching wastewater treatment equipment of the present invention;

[0041] Figure 7 It is a structural schematic diagram of a water receiving plate mechanism of an etching wastewater treatment equipment of the present invention;

[0042] Figure 8 It is a structural schematic diagram of a filter frame assembly of an etching wastewater treatment equipment of the present invention;

[0043] Fig. 9 It is a structural schematic diagram of a filter ball assembly of an etching wastewater treatment device of the present invention.

[0044] In the figure: 1. Main support base; 2. Dispensing assembly; 201. Stirring tank; 202. Stirring mechanism; 2021. Stirring motor; 2022. Stirring rod; 2023. Stirring blade; 203. Filter screen; 204. Bend discharge pipe; 205. Slurry storage tank; 206. First output pump; 207. Upward spraying pipe; 3. Water inlet assembly; 301. Water quality analyzer; 302. Uniform discharge pipe; 303. First ball valve; 304. Diverter pipe; 305. Water inlet bucket; 4. Preliminary treatment assembly; 401. Treatment box; 4011. Box body; 4012. Grille; 4013. Ear plate; 4014, water receiving plate mechanism; 4014-a, water receiving plate; 4014-b, water receiving trough; 4014-c, counterweight; 4014-d, rotating shaft; 402, partition; 403, partition lifting hydraulic cylinder; 404, splash shield plate; 405, upper support plate; 5, filter frame assembly; 501, filter frame; 502, spherical trough; 503, spherical cover; 6, filter ball assembly; 601, spherical filter cover; 602, side fixing plate; 603, lifting hydraulic cylinder; 7, discharge seat; 8, electrolytic cell; 9, second delivery pump; 10, incubator; 11, insulation cover; 12, auxiliary support base. DETAILED DESCRIPTION

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0046] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0047] The embodiment of the present invention provides an etching wastewater treatment device, comprising a preparation component 2, a preliminary treatment component 4, a discharge seat 7, an electrolytic cell 8, a second delivery pump 9 and an incubator 10: a water inlet component 3 is arranged on the top of the preliminary treatment component 4, a filter frame component 5 is movably connected to the top of the discharge seat 7, and a filter ball component 6 is arranged on the inner wall of the filter frame component 5;

[0048] The mixing component 2 includes a stirring tank 201 and a pulp storage tank 205. A stirring mechanism 202 is arranged on the top of the stirring tank 201. A filter screen 203 is fixedly connected to the outer wall of the stirring mechanism 202. A curved discharge pipe 204 is fixedly connected to the inner wall of the stirring tank 201. A small control valve is arranged at the upper corner of the curved discharge pipe 204. A first output pump 206 is arranged at the output end of the pulp storage tank 205. An upward spraying pipe 207 is connected to the output end of the pulp storage tank 205 through the first output pump 206. A plurality of spray holes are equidistantly provided on the outer wall of the upward spraying pipe 207, and the plurality of spray holes are arranged at an upward inclination of 45 degrees.

[0049] The top of the stirring tank 201 is fixedly connected to a motor frame, and the stirring mechanism 202 includes a stirring motor 2021 fixedly arranged on the inner wall of the motor frame, the output shaft of the stirring motor 2021 is fixedly connected to a stirring rod 2022 through a coupling, and the outer wall of the stirring rod 2022 is fixedly connected to a plurality of stirring blades 2023;

[0050] The stirring blade 2023 is hollowed out, and the outer wall of the stirring blade 2023 and the filter mesh 203 are fixedly connected by small screws;

[0051] The water inlet assembly 3 includes a water inlet bucket 305, the output end of the water inlet bucket 305 is connected to a discharge pipe, the middle part of the discharge pipe is connected to a first ball valve 303, the middle part of the discharge pipe is connected to a diverter pipe 304 through the first ball valve 303, the output end of the diverter pipe is connected to a water quality analyzer 301, the water quality analyzer 301 is a multi-parameter PH water quality analyzer, the discharge end of the discharge pipe is connected to a uniform discharge pipe 302, and the outer wall of the uniform discharge pipe 302 is equidistantly provided with a plurality of spray holes, and the plurality of spray holes are provided at a downward inclination of 45 degrees, and the spray holes on the uniform discharge pipe 302 are arranged correspondingly to the spray holes on the upward spray pipe 207;

[0052] The preliminary treatment assembly 4 includes a treatment box 401, two partition lifting hydraulic cylinders 403 are symmetrically arranged on the top of the treatment box 401, a partition 402 is fixedly connected to the bottom of the partition lifting hydraulic cylinder 403, a splash shield plate 404 is fixedly connected to the top of the treatment box 401, and two upper support plates 405 are fixedly connected to the top of the treatment box 401;

[0053] The inner wall of the upper support plate 405 is closely connected to the outer wall of the uniform discharge pipe 302;

[0054] Two ear plates 4013 are fixedly connected to one side of the box body 4011 , and the inner wall of the ear plate 4013 is closely connected to the outer wall of the pulp storage tank 205 .

[0055] It should be noted that the commonly used chemicals in the existing etching process include strong acids such as sulfuric acid, hydrochloric acid, hydrofluoric acid, nitric acid, etc., and may also contain heavy metals such as copper, nickel, chromium, etc., and chelating agents such as EDTA; if these substances are directly discharged, they will cause serious pollution to the environment, so the treatment equipment and methods must effectively remove these harmful components; however, the current treatment equipment is generally only for preliminary treatment, and cannot guarantee that the treated water meets the exclusion standards or has less impact on the ecological environment after discharge.

[0056] Specifically, in this embodiment, this scheme mainly uses the coordination of the deployment component 2, the preliminary treatment component 4, the discharge seat 7, the electrolytic cell 8, the second delivery pump 9, the incubator 10, the water inlet component 3, the filter frame component 5 and the filter ball component 6: first, the etching wastewater to be treated is discharged into the middle discharge pipe through the water inlet bucket 305, and the first ball valve 303 is opened to discharge a little wastewater into the shunt pipe 304 and the water quality analyzer 301 for pH detection, and the first output pump 206 is used to control the discharge speed of the lime water slurry from the upward spraying pipe 207 according to the detection data, so as to reasonably use the lime water slurry and avoid waste caused by excessive discharge of the lime water slurry;

[0057] Next, quicklime powder is poured into the stirring tank 201, and a certain amount of clean water is added, and the stirring motor 2021 is turned on to drive several stirring blades 2023 to stir evenly into lime water slurry through the stirring rod 2022, and the bent discharge pipe 204 is opened to discharge into the slurry storage tank 205, and then the feed port of the slurry storage tank 205 is closed for standby use; impurities in the quicklime will not dissolve after adding water, wherein, the setting of the filter mesh 203 can keep the impurities in the filter mesh 203 through the stirring blade 2023 and the filter mesh 203 during stirring, and after the stirring is completed, after the lime water slurry is completely discharged into the slurry storage tank 205, the small screw is rotated to remove the filter mesh 203 for cleaning;

[0058] Then, when the wastewater is sprayed out through the spray hole on the uniform discharge pipe 302 and intersects with the lime water slurry sprayed out from the spray hole in the upward spray pipe 207, it falls into the box 4011 and flocculation and precipitation occur in the box 4011. The partition 402 is opened by controlling the partition lifting hydraulic cylinder 403 to be raised and discharged into the grid 4012. The wastewater can be filtered through the grid 4012. The partition 402 is closed to form a closed state on the side containing the partition 402, and PAM flocculant is added to continue the coagulation and precipitation treatment.

[0059] Finally, when the wastewater treated by the coagulation and sedimentation of the PAM flocculant in the box 4011 is discharged to the spherical cover 503 through the large discharge pipe, it falls into the spherical filter cover 601 through the spherical cover 503 and the spherical groove 502, and falls downward into the electrolytic cell 8 through the mesh and activated carbon filtration on the spherical filter cover 601, and is electrolytically treated, and then the next step of inspection operation is carried out;

[0060] In addition, a small portion of the treated wastewater is input into the incubator 10 by the second delivery pump 9, and common microbial species are added to the incubator 10. The controller then controls the heat preservation cover 11 to maintain the temperature of the wastewater in the incubator 10, and the survival and reproduction of the microbial species in the wastewater are observed and detected, so as to judge the acid-base environment after treatment and whether the wastewater contains toxic substances, and then judge the quality of the treated water.

[0061] In this embodiment, by setting the mixing component 2, in use, quicklime powder is poured into the stirring tank 201, and a certain amount of clean water is added, and the stirring motor 2021 is turned on to drive several stirring blades 2023 to stir evenly into lime water slurry through the stirring rod 2022, and the bent discharge pipe 204 is opened to discharge into the slurry storage tank 205, and then the feed port of the slurry storage tank 205 is closed for standby use; impurities in the quicklime will not dissolve after adding water, wherein the setting of the filter mesh 203 can pass the impurities through the stirring blades 2023 during stirring. and the filter screen 203 remain in the filter screen 203. After the stirring is completed, when the lime water slurry is completely discharged into the slurry storage tank 205, the filter screen 203 is removed by rotating the small screw for cleaning to avoid the physical and chemical reaction of the waste water internal substances by the large amount of heat produced by the lime water slurry during use, thereby causing air pollution and even damage to the equipment. At the same time, the coordination of the stirring sheet 2023 and the filter screen 203 achieves the impurity removal and filtering effect during stirring, realizes a certain mechanism merger and reduction, and thus improves the work efficiency.

[0062] In this embodiment, through the setting of the water inlet component 3, in use, first, the etching wastewater to be treated is discharged into the central discharge pipe through the water inlet hopper 305, and the first ball valve 303 is opened to discharge a little wastewater into the diversion pipe 304 and the water quality analyzer 301 for pH detection, and the first output pump 206 is used to control the discharge speed of the lime water slurry from the upward spraying pipe 207 according to the detection data, so as to reasonably use the lime water slurry and avoid waste caused by excessive discharge of lime water slurry.

[0063] In a further preferred embodiment of the present invention, the processing box 401 includes a box body 4011, the inner wall of the box body 4011 is obliquely provided with a grille 4012, and the inner wall of the box body 4011 is movably connected with a water receiving plate mechanism 4014;

[0064] The water receiving plate mechanism 4014 includes a rotating shaft 4014-d movably arranged on the inner wall of the box body 4011, the outer wall of the rotating shaft 4014-d is movably connected with the water receiving plate 4014-a, a water receiving groove 4014-b is provided on the inner wall of one side of the water receiving plate 4014-a, and a counterweight block 4014-c is fixedly connected to the bottom of the side of the water receiving plate 4014-a away from the water receiving groove 4014-b.

[0065] In this embodiment, through the setting of the preliminary treatment component 4, in use, the wastewater treated with lime water slurry not only changes its pH value, but also undergoes flocculation and precipitation. When the wastewater is sprayed out through the spray hole on the uniform discharge pipe 302 and intersects with the lime water slurry sprayed out from the spray hole in the upward spray pipe 207, it falls into the box 4011 and undergoes flocculation and precipitation in the box 4011. The partition 402 is opened by controlling the partition lifting hydraulic cylinder 403 to lift and open, and the wastewater is discharged into the grille 4012. The wastewater can be filtered through the grille 4012, wherein the partition 402 is closed to form a closed state on the side containing the partition 402, and PAM flocculant is added to continue the coagulation and precipitation treatment.

[0066] In a further preferred embodiment of the present invention, the filter frame assembly 5 includes a filter frame 501, a spherical groove 502 is formed on the bottom inner wall of the filter frame 501, and a spherical cover 503 is fixedly connected to the top of the filter frame 501;

[0067] Side sliding blocks are fixedly connected to both sides of the filter frame 501, and side lifting hydraulic cylinders are fixedly connected to the bottom of the side sliding blocks;

[0068] The filter ball assembly 6 includes a side fixing plate 602 fixedly arranged on the outer wall of the filter frame 501, a lifting hydraulic cylinder 603 is fixedly connected to the bottom of the side fixing plate 602, a clamp is fixedly connected to one end of the lifting hydraulic cylinder 603, a rotating shaft is fixedly connected to one end of the lifting hydraulic cylinder 603 through the clamp, a spherical filter cover 601 is fixedly connected to one end of the rotating shaft, and the spherical filter cover 601 is arranged on the inner wall of the spherical groove 502 and is closely connected to the inner wall of the spherical groove 502;

[0069] The spherical filter cover 601 is composed of two hemispherical hollow cover bodies, and the outer wall of the spherical filter cover 601 is provided with mesh holes, the inner wall of the spherical filter cover 601 is wrapped with activated carbon, and the rotating shaft is composed of two semi-cylindrical shaft bodies;

[0070] The input end and the output end of the second delivery pump 9 are both connected with a hose, and the input end and the output end of the second delivery pump 9 are connected to the incubator 10 through the hose and the electrolytic cell 8 respectively;

[0071] A heat preservation cover 11 is arranged on the top of the incubator 10, and the heat preservation cover 11 is a hemispherical heat preservation cover, and an electric heating resistance line and a controller are arranged on the inner wall of the incubator 10, and a temperature monitoring probe is arranged on the inner wall of the incubator 10, and the electric heating resistance line and the controller are electrically connected, and the controller and the temperature monitoring probe are connected through wireless signal transmission;

[0072] The bottom of the preliminary processing assembly 4 is fixedly connected to the main support base 1 , and the bottom of the discharge seat 7 is fixedly connected to the auxiliary support base 12 .

[0073] In this embodiment, by setting the filter ball assembly 6 and using it in conjunction with the filter frame assembly 5, when in use, when the wastewater treated by the coagulation and sedimentation of the PAM flocculant in the box 4011 is discharged to the spherical cover 503 through the large discharge pipe, it falls into the spherical filter cover 601 through the spherical cover 503 and the spherical groove 502, and falls downward into the electrolytic cell 8 through the mesh on the spherical filter cover 601 and the activated carbon filter, and is processed in the next step;

[0074] In this embodiment, through the provision of the electrolytic cell 8, the sewage discharged from the spherical filter cover 601 can be further electrolytically treated to reduce the number of ions in the sewage, and a small portion of the treated wastewater is input into the incubator 10 by the second delivery pump 9, and common microbial species are added to the incubator 10. The controller then controls the heat preservation cover 11 to maintain the temperature of the wastewater in the incubator 10, and observes and detects the survival and reproduction of the microbial species in the wastewater, so as to judge the acid-base environment after treatment and whether the wastewater contains toxic substances, and then judge the quality of the treated water.

[0075] A method for treating etching wastewater comprises the following steps: S1, firstly, the etching wastewater to be treated is discharged into a water quality analyzer 301 through a water inlet hopper 305 and a discharge pipe to detect pH;

[0076] S2, mixing lime water slurry by mixing component 2;

[0077] S3, discharge the etching wastewater to be treated into the treatment box 401 through the water inlet assembly 3, and control the discharge speed of the lime slurry from the upward spraying pipe 207 through the first output pump 206 according to the detection data, and use the lime slurry reasonably;

[0078] S4, add PAM flocculant and continue coagulation and sedimentation treatment;

[0079] S5, filtering the wastewater through the filter ball assembly 6, and then electrolyzing it in the electrolytic cell 8;

[0080] S6. Finally, the incubator 10 and the heat preservation cover 11 are used together, some wastewater is introduced into the incubator 10 and common microorganisms are added, the temperature is controlled, and the survival and reproduction of the microorganisms in the wastewater are observed and detected, so as to judge the effect of the multi-stage wastewater treatment.

[0081] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described order of actions, because according to the present invention, some steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0082] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0083] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0084] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. An etching wastewater treatment device, characterized in that: The invention comprises a mixing component (2), a preliminary treatment component (4), a discharge seat (7), an electrolytic cell (8), a second delivery pump (9) and a culture box (10): a water inlet component (3) is arranged on the top of the preliminary treatment component (4), a filter frame component (5) is movably connected to the top of the discharge seat (7), and a filter ball component (6) is arranged on the inner wall of the filter frame component (5); The mixing component (2) comprises a stirring tank (201) and a pulp storage tank (205); a stirring mechanism (202) is arranged on the top of the stirring tank (201); a filter screen (203) is fixedly connected to the outer wall of the stirring mechanism (202); a curved discharge pipe (204) is fixedly connected to the inner wall of the stirring tank (201); a small control valve is arranged at the upper corner of the curved discharge pipe (204); a first output pump (206) is arranged at the output end of the pulp storage tank (205); the output end of the pulp storage tank (205) is connected to an upward spraying pipe (207) through the first output pump (206); a plurality of spray holes are equidistantly provided on the outer wall of the upward spraying pipe (207); and the plurality of spray holes are arranged at an upward inclination of 45 degrees.

2. The etching wastewater treatment equipment according to claim 1, characterized in that: The top of the stirring tank (201) is fixedly connected to a motor frame, the stirring mechanism (202) comprises a stirring motor (2021) fixedly arranged on the inner wall of the motor frame, the output shaft of the stirring motor (2021) is fixedly connected to a stirring rod (2022) via a coupling, and the outer wall of the stirring rod (2022) is fixedly connected to a plurality of stirring blades (2023); The stirring blade (2023) is hollowed out, and the outer wall of the stirring blade (2023) and the filter mesh (203) are fixedly connected by small screws.

3. The etching wastewater treatment equipment according to claim 1, characterized in that: The water inlet assembly (3) comprises a water inlet bucket (305), the output end of the water inlet bucket (305) is connected to a discharge pipe, the middle part of the discharge pipe is connected to a first ball valve (303), the middle part of the discharge pipe is connected to a diversion pipe (304) through the first ball valve (303), the output end of the diversion pipe is connected to a water quality analyzer (301), the water quality analyzer (301) is a multi-parameter pH water quality analyzer, the discharge end of the discharge pipe is connected to a uniform discharge pipe (302), and the outer wall of the uniform discharge pipe (302) is provided with a plurality of spray holes at equal intervals, and the plurality of spray holes are provided at a downward inclination of 45 degrees, and the spray holes on the uniform discharge pipe (302) are arranged corresponding to the spray holes on the upward spray pipe (207).

4. The etching wastewater treatment equipment according to claim 3, characterized in that: The preliminary treatment assembly (4) comprises a treatment box (401), two baffle lifting hydraulic cylinders (403) are symmetrically arranged on the top of the treatment box (401), a baffle (402) is fixedly connected to the bottom of the baffle lifting hydraulic cylinder (403), a splash shield plate (404) is fixedly connected to the top of the treatment box (401), and two upper support plates (405) are fixedly connected to the top of the treatment box (401); The inner wall of the upper support plate (405) is closely connected to the outer wall of the uniform sprinkler pipe (302).

5. The etching wastewater treatment equipment according to claim 4, characterized in that: The treatment box (401) comprises a box body (4011), the inner wall of the box body (4011) is provided with a grille (4012) in an inclined manner, and the inner wall of the box body (4011) is movably connected to a water receiving plate mechanism (4014); The water receiving plate mechanism (4014) comprises a rotating shaft (4014-d) movably arranged on the inner wall of the box body (4011), the outer wall of the rotating shaft (4014-d) is movably connected with a water receiving plate (4014-a), one inner wall of the water receiving plate (4014-a) is provided with 4014-b (water receiving trough), and the bottom of the water receiving plate (4014-a) on one side away from 4014-b (water receiving trough) is fixedly connected with 4014-c (counterweight block); Two ear plates (4013) are fixedly connected to one side of the box body (4011), and the inner wall of the ear plate (4013) is closely connected to the outer wall of the pulp storage tank (205).

6. The etching wastewater treatment equipment according to claim 1, characterized in that: The filter frame assembly (5) comprises a filter frame (501), a spherical groove (502) is provided on the bottom inner wall of the filter frame (501), and a spherical cover (503) is fixedly connected to the top of the filter frame (501); Side sliding blocks are fixedly connected to both sides of the filter frame (501), and a side lifting hydraulic cylinder is fixedly connected to the bottom of the side sliding block.

7. The etching wastewater treatment equipment according to claim 6, characterized in that: The filter ball assembly (6) comprises a side fixing plate (602) fixedly arranged on the outer wall of the filter frame (501); a lifting hydraulic cylinder (603) is fixedly connected to the bottom of the side fixing plate (602); a clamp is fixedly connected to one end of the lifting hydraulic cylinder (603); one end of the lifting hydraulic cylinder (603) is fixedly connected to a rotating shaft via a clamp; one end of the rotating shaft is fixedly connected to a spherical filter cover (601); and the spherical filter cover (601) is arranged on the inner wall of the spherical groove (502) and is closely connected to the inner wall of the spherical groove (502); The spherical filter cover (601) is composed of two hemispherical hollow cover bodies, and the outer wall of the spherical filter cover (601) is provided with mesh holes. The inner wall of the spherical filter cover (601) is wrapped with activated carbon, and the rotating shaft is composed of two semi-cylindrical shaft bodies.

8. The etching wastewater treatment equipment according to claim 1, characterized in that: The input end and the output end of the second delivery pump (9) are both connected to a hose, and the input end and the output end of the second delivery pump (9) are connected to the incubator (10) via the hose and the electrolytic cell (8) respectively.

9. The etching wastewater treatment equipment according to claim 1, characterized in that: The top of the incubator (10) is provided with a heat preservation cover (11), the heat preservation cover (11) is a hemispherical heat preservation cover, the inner wall is provided with an electric heating resistance line and a controller, the inner wall of the incubator (10) is provided with a temperature monitoring probe, and the electric heating resistance line and the controller are electrically connected, and the controller and the temperature monitoring probe are connected via wireless signal transmission; The bottom of the preliminary processing assembly (4) is fixedly connected to a main support base (1), and the bottom of the discharge seat (7) is fixedly connected to a secondary support base (12).

10. The etching wastewater treatment equipment according to claim 1, now provides an etching wastewater treatment method, characterized in that: The following steps are involved: S1. First, the etching wastewater to be treated is discharged into the water quality analyzer (301) through the water inlet hopper (305) and the discharge pipe to detect the pH value; S2, preparing lime water slurry through the preparation component (2); S3, discharging the etching wastewater to be treated into the treatment box (401) through the water inlet assembly (3), and controlling the discharge speed of the lime slurry from the upward spraying pipe (207) through the first output pump (206) according to the detection data, so as to reasonably use the lime slurry; S4, add PAM flocculant and continue coagulation and sedimentation treatment; S5, filtering the wastewater through the filter ball assembly (6), and then electrolyzing it through the electrolytic cell (8); S6. Finally, the incubator (10) and the heat preservation cover (11) are used together, part of the wastewater is introduced into the incubator (10) and common microorganisms are added, the temperature is controlled, and the survival and reproduction of the microorganisms in the wastewater are observed and detected, so as to judge the effect of the multi-stage wastewater treatment.

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