Electrolysis device for PCB complexing wastewater treatment

Abstract

The utility model discloses an electrolysis device for PCB (printed circuit board) complex wastewater treatment, which relates to the technical field of PCB complex wastewater treatment and comprises an electrolysis tank, a rotating shaft is rotatably arranged in the electrolysis tank, an electrolysis rod is fixedly mounted on the inner wall of the electrolysis tank on the outer side of the rotating shaft, and a fixing ring is fixedly arranged at the upper part in the electrolysis tank. A filter screen is movably clamped to the top of the fixing ring, a through groove is formed in the filter screen in a penetrating mode, a dirt collecting frame is fixedly welded to the bottom of the through groove, water filtering holes are formed in the dirt collecting frame in a penetrating mode, the filter screen movably sleeves the rotating shaft, a fixing sleeve is spirally connected to the outer wall of the rotating shaft above the filter screen, and a scraper is fixedly connected to the outer side of the fixing sleeve. The bottom of the scraper is attached to the filter screen, the scraper is driven by the rotating shaft to rotate to push impurities on the filter screen to fall into the dirt collecting frame, and the problems that in the filtering process of an existing electrolysis device for PCB complex wastewater treatment, solid impurities accumulated on the filter screen cannot be cleaned in time, and the filtering efficiency is reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB complex wastewater treatment technical field especially relates to a kind of electrolytic devices for PCB complex wastewater treatment. BACKGROUND

[0002] PCB circuit board will produce a large amount of wastewater in production process, these sewage contain a large amount of heavy metal ions, macromolecular organic matter, complexing agent etc., if direct discharge, it will make surrounding water environment cause serious pollution, so PCB circuit board complex wastewater needs to be treated before discharge, usually wastewater is concentrated to wastewater treatment device and is treated centrally, there are many wastewater treatment methods, and electrolytic method is one of commonly used treatment methods for purifying wastewater containing heavy metals.

[0003] Wastewater electrolytic treatment is to convert harmful substances in wastewater into harmless or low-toxic substances by electric field and current, before electrolytic treatment, pretreatment is used to remove suspended solids and part of organic matter, which can improve the effect of subsequent electrolytic treatment, but the existing PCB complex wastewater treatment electrolytic device can filter and electrolyze wastewater, but in the filtering process, solid impurities in wastewater still remain on the filter screen, so that the device needs to be regularly closed and stopped to clean the filter screen, which is troublesome, and the remaining solid impurities also reduce the filtering efficiency.

[0004] Therefore, in order to solve such problems, we propose a kind of electrolytic device for PCB complex wastewater treatment. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of electrolytic device for PCB complex wastewater treatment, to solve the problem of the existing electrolytic device for PCB complex wastewater treatment in the background art, solid impurities accumulated on filter screen cannot be cleaned in time, which reduces the filtering efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of electrolytic device for PCB complex wastewater treatment, including electrolytic tank, the top of electrolytic tank is movably hinged with operating door, water inlet pipe is arranged through operating door, the bottom of electrolytic tank is fixedly connected with water outlet pipe, rotating shaft is arranged in the inside of electrolytic tank, electrolytic rod is fixedly installed on the inner wall of electrolytic tank outside rotating shaft, fixed ring is fixedly arranged on the inside upper portion of electrolytic tank, filter screen is movably connected with the top of fixed ring, through slot is arranged through in the inside of filter screen, collecting frame is fixedly welded on the bottom of through slot, filter hole is arranged through on collecting frame, the bottom plate of collecting frame is inclined, filter screen is movably sleeved on the outside of rotating shaft, fixed sleeve is spirally connected on the outer wall of rotating shaft above filter screen, scraper is fixedly connected with the outside of fixed sleeve, scraper bottom is attached to filter screen.

[0007] Preferably, the lower end of the rotating shaft penetrates through the bottom of the electrolytic tank, and a motor is fixedly connected to the lower end of the rotating shaft, and a spiral stirring blade is fixedly installed outside the rotating shaft.

[0008] Preferably, a top of the fixed ring is provided with a bushing, a positioning rod is fixedly installed at the bottom outside of the filter screen, the positioning rod is movably clamped in the bushing, and handles are fixedly connected to the top of the filter screen.

[0009] Preferably, an installation groove is formed through the sidewall of the electrolytic tank, a guide plate is fixedly and penetratively arranged in the installation groove, an opening is arranged at a downwardly inclined end of the dirt collecting frame, the opening of the dirt collecting frame is movably clamped on the guide plate, and the guide plate is arranged in the same direction as the bottom plate of the dirt collecting frame.

[0010] Preferably, a baffle is fixedly arranged outside the guide plate, and a sealing cover plate is movably hinged to the guide plate and the baffle outside the electrolytic tank.

[0011] Preferably, a shunt detection tank is communicated with the end of the water outlet pipe, a blowdown pipe is fixedly connected to the bottom end of the shunt detection tank, an electromagnetic valve is fixedly installed outside the blowdown pipe, a water suction pipe is fixedly communicated with the top of the shunt detection tank, the end of the water suction pipe penetrates through the sidewall of the electrolytic tank, and a water pump is fixedly connected to the outside of the water suction pipe.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] In the utility model, firstly, the motor controls the rotation of the rotating shaft, drives the scraper to rotate, pushes the impurities on the filter screen 5 to move, and finally falls into the dirt collecting frame from the through groove, and the impurities in the dirt collecting frame are finally discharged to the outside of the electrolytic tank through the guide plate. The device can timely treat the impurities remaining on the filter screen, avoids the impurities from accumulating on the filter screen, affects the filtering effect, and improves the efficiency of the wastewater electrolysis treatment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic of the utility model Figure 1 ;

[0015] Figure 2 It is the whole structure schematic of the utility model Figure 2 ;

[0016] Figure 3 It is the internal structure schematic of the electrolytic tank of the utility model;

[0017] Figure 4 It is the filter screen section view schematic of the utility model.

[0018] LEGEND:

[0019] 1, electrolytic tank; 11, operation door; 12, water inlet pipe; 13, water outlet pipe; 14, mounting groove; 2, rotating shaft; 21, motor; 22, spiral stirring blade; 3, electrolytic rod; 4, fixing ring; 41, insertion hole; 5, filter screen; 51, through groove; 52, pollution collecting frame; 53, positioning rod; 54, handle; 6, fixing sleeve; 61, scraper; 7, guide plate; 71, baffle; 72, sealing cover plate; 8, shunt detection box; 81, sewage pipe; 82, electromagnetic valve; 9, water suction pipe; 10, water pump. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected. It can be mechanically connected, or it can be electrically connected. It can be directly connected, or it can be indirectly connected through an intermediate medium. It can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Reference Figures 1-4The utility model provides a kind of electrolytic device for PCB complex wastewater treatment, including electrolytic tank 1, the top of electrolytic tank 1 is hingedly connected with operating door 11, water inlet pipe 12 is arranged in operating door 11, the bottom of electrolytic tank 1 is fixedly connected with water outlet pipe 13, the inside rotation of electrolytic tank 1 is provided with shaft 2, electrolytic rod 3 is fixedly installed on the inner wall of electrolytic tank 1 outside shaft 2, fixed ring 4 is fixedly arranged on the inside upper portion of electrolytic tank 1, filter screen 5 is movably connected on the top of fixed ring 4, solid impurities in wastewater are filtered out by filter screen 5, through groove 51 is passed in the inside of filter screen 5, collecting frame 52 is fixedly welded on the bottom of through groove 51, collecting frame 52 and filter screen 5 are connected and present an entirety, filter water hole is arranged in collecting frame 52, avoid wastewater accumulation, the bottom plate of collecting frame 52 is obliquely, and solid impurities is conveniently discharged, filter screen 5 is movably sleeved in the outside of shaft 2, fixed sleeve 6 is spirally connected on the outer wall of shaft 2 above filter screen 5, scraping blade 61 is fixedly connected on the outside of fixed sleeve 6, scraping blade 61 bottom is attached to filter screen 5, when shaft 2 rotates, drive scraping blade 61 rotation and push the impurities on filter screen 5 to move, and finally drop into collecting frame 52 from through groove 51, avoid that solid impurities in wastewater is left on filter screen 5, influence filtering efficiency.

[0023] The lower end of shaft 2 is arranged through the bottom of electrolytic tank 1, the junction of shaft 2 and electrolytic tank 1 is provided with sealing element, avoid waste liquid leakage, the lower end of shaft 2 is fixedly connected with motor 21, motor 21 is fixedly installed on the outer wall of electrolytic tank 1, spiral stirring blade 22 is fixedly installed on the outside of shaft 2 in electrolytic tank 1, shaft 2 is driven spiral stirring blade 22 to stir wastewater in electrolytic tank 1 by motor 21 control, improve the rate of wastewater electrolysis treatment, guarantee efficiency.

[0024] The top of fixed ring 4 is provided with insertion hole 41, the bottom outside of filter screen 5 is fixedly installed with locating rod 53, insertion hole 41 and locating rod 53 are one-to-one correspondence, locating rod 53 is movably arranged in insertion hole 41, for the fixed filter screen 5, the top of filter screen 5 is fixedly connected with handle 54, when needing to replace or wash filter screen 5, pull handle 54 and make filter screen 5 separate from fixed ring 4.

[0025] The sidewall of electrolytic tank 1 is provided with mounting groove 14, guide plate 7 is fixedly arranged in the inside of mounting groove 14, the end of downward inclination of collecting frame 52 is provided with opening, collecting frame 52 opening is movably arranged on guide plate 7, guide plate 7 and the bottom plate of collecting frame 52 are directionally obliquely arranged, the outside of guide plate 7 is fixedly covered with baffle 71, the guide plate 7 and baffle 71 on the outside of electrolytic tank 1 are movably hingedly connected with sealing cover plate 72, when the impurities in collecting frame 52 are collected more, open sealing cover plate 72, the impurities in collecting frame 52 are discharged to the outside of electrolytic tank 1 through guide plate 7, convenient and fast.

[0026] The end of the water outlet pipe 13 is communicated with a shunt detection box 8, a valve is arranged on the water outlet pipe 13, the bottom end of the shunt detection box 8 is fixedly connected with a blowdown pipe 81, an electromagnetic valve 82 is fixedly installed outside the blowdown pipe 81, the top of the shunt detection box 8 is fixedly communicated with a water suction pipe 9, the end of the water suction pipe 9 is arranged through the side wall of the electrolysis box 1, the water suction pipe 9 is fixedly connected with a water pump 10 outside, the wastewater after primary electrolysis enters the shunt detection box 8 through the water outlet pipe 13, the electromagnetic valve 82 is opened for the wastewater that passes the detection, the wastewater that reaches the standard is discharged from the blowdown pipe 81, the wastewater that fails the detection is re-transported into the electrolysis box 1 by the water suction pipe 9 and the water pump 10, and is subjected to secondary electrolysis treatment.

[0027] Working principle: first, the PCB complex wastewater is poured into the electrolysis box 1 through the water inlet pipe 12. The wastewater is filtered through the filter screen 5, and the solid impurities in the wastewater are left on the filter screen 5. The rotation of the rotating shaft 2 is controlled by the motor 21, the scraper 61 is rotated to push the impurities on the filter screen 5 to move, and finally falls into the dirt collecting frame 52 from the through slot 51. The impurities in the dirt collecting frame 52 are finally discharged to the outside of the electrolysis box 1 through the guide plate 7, and the impurities are treated in time to avoid the accumulation of impurities affecting the filtering effect.

[0028] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An electrolytic device for treating PCB complex wastewater, comprising an electrolytic tank (1), characterized in that: The top of the electrolytic tank (1) is movably hinged with an operating door (11), the operating door (11) is provided with a water inlet pipe (12) penetratingly, the bottom of the electrolytic tank (1) is fixedly communicated with a water outlet pipe (13), the inside of the electrolytic tank (1) is rotatably provided with a rotating shaft (2), the outer side of the rotating shaft (2) is fixedly installed with an electrolytic rod (3) on the inner wall of the electrolytic tank (1), the inside of the electrolytic tank (1) is fixedly provided with a fixed ring (4) on the upper portion, the top of the fixed ring (4) is movably clamped with a filter screen (5), the inside of the filter screen (5) is provided with a through slot (51) penetratingly, the bottom of the through slot (51) is fixedly welded with a dirt collecting frame (52), the dirt collecting frame (52) is provided with a filter hole penetratingly, the bottom plate of the dirt collecting frame (52) is inclined, the filter screen (5) is movably sleeved on the outside of the rotating shaft (2), the outer wall of the rotating shaft (2) above the filter screen (5) is spirally connected with a fixed sleeve (6), the outer side of the fixed sleeve (6) is fixedly connected with a scraper (61), and the bottom of the scraper (61) is attached to the filter screen (5).

2. The electrolytic apparatus for treating PCB complex wastewater according to claim 1, characterized in that: The lower end of the rotating shaft (2) is provided through the bottom of the electrolytic tank (1), and the lower end of the rotating shaft (2) is fixedly connected with a motor (21), and the outside of the rotating shaft (2) is fixedly installed with a spiral stirring blade (22).

3. The electrolytic apparatus for treating PCB complex wastewater according to claim 1, characterized in that: The top of the fixed ring (4) is provided with a bushing (41), the bottom of the filter screen (5) is fixedly installed with a positioning rod (53), the positioning rod (53) is movably clamped in the bushing (41), and the top of the filter screen (5) is fixedly connected with a handle (54) on both sides.

4. The electrolytic apparatus for treating PCB complex wastewater according to claim 1, characterized in that: The side wall of the electrolytic tank (1) is provided with a mounting groove (14) penetratingly, the inside of the mounting groove (14) is fixedly provided with a guide plate (7) penetratingly, one end of the dirt collecting frame (52) is provided with an opening downwardly inclined, the opening of the dirt collecting frame (52) is movably clamped on the guide plate (7), and the guide plate (7) and the bottom plate of the dirt collecting frame (52) are provided in the same direction and inclined.

5. The electrolytic apparatus for treating PCB complex wastewater according to claim 4, characterized in that: The outer side of the guide plate (7) is fixedly covered with a baffle (71), and the guide plate (7) and the baffle (71) outside the electrolytic tank (1) are movably hinged with a sealing cover plate (72).

6. The electrolytic apparatus for treating PCB complex wastewater according to claim 1, characterized in that: The end of the water outlet pipe (13) is communicated with a shunt detection box (8), the bottom end of the shunt detection box (8) is fixedly connected with a blowdown pipe (81), the outside of the blowdown pipe (81) is fixedly installed with an electromagnetic valve (82), the top of the shunt detection box (8) is fixedly communicated with a water suction pipe (9), the end of the water suction pipe (9) is provided through the side wall of the electrolytic tank (1), and the outside of the water suction pipe (9) is fixedly connected with a water pump (10).

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