CN212403744U

CN212403744U - Vertical micro-electrolysis circulating water quality pretreatment device

Info

Publication number: CN212403744U
Application number: CN202020755202.8U
Authority: CN
Inventors: 温明亮
Original assignee: Henan Weijiate Environmental Protection Technology Co ltd
Current assignee: Henan Weijiate Environmental Protection Technology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-01-26
Anticipated expiration: 2030-05-09

Abstract

The utility model relates to a vertical micro-electrolysis circulating water quality pretreatment device, which effectively solves the problems that the PH adjusting range is too large, the adjustment cannot be accurate, the original acid or alkaline solution cannot be collected and recycled, the filter screen is easy to be blocked and inconvenient to clean, and the sewage cannot be aerated; the settling tank is fixedly connected to the upper end of a support, a guide plate which inclines towards the lower left side is fixedly connected to the interior of the settling tank, a filter screen which inclines towards the lower right side is fixedly connected to the lower end of the guide plate, a water pipe which is fixedly communicated with the right side of the settling tank is arranged on the right side of the filter screen, water in the settling tank enters the water pipe after being filtered by the filter screen, an adjusting tank is fixedly communicated with the right side of the water pipe, an acid liquid tank and an alkali liquid tank are fixedly connected to the upper end of the adjusting tank, electromagnetic valves which are arranged in the adjusting tank are fixedly connected to the lower ends of the acid liquid tank and the alkali liquid tank, a PH sensor is fixedly; the utility model discloses simple structure, practicality are strong.

Description

Vertical micro-electrolysis circulating water quality pretreatment device

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a vertical micro-electrolysis circulating water quality pretreatment device.

Background

With the development of urban scale and the continuous improvement of industrialization degree in China, a large amount of industrial and domestic sewage which is difficult to treat is generated, and sewage treatment plants face serious challenges, especially in the field of industrial sewage treatment, the sewage discharge amount is large, the water quality is complex, the toxicity is high, and the ammonia nitrogen and COD are high. Traditional sewage treatment mode adopts the grid to intercept thick particulate matter, gets rid of the oil stain that floats through the frizing again, then reduces COD, BOD, ammonia nitrogen, SS numerical value of aquatic through aeration sand setting and biodegradation, and the practice shows that this type of sewage treatment mode only is applicable to conventional waste water treatment, but to the chemical industry class waste water treatment effect of difficult degradation very poor, perhaps not have the treatment effect at all, and the technology is complicated moreover, and the treatment cost is higher.

The micro-electrolysis method is also called as internal electrolysis method, and is a waste water treatment method integrating various physical and chemical actions such as electrolysis, coagulation, electric flocculation, adsorption and the like. The common electrolysis mode is to electrolyze sewage through an electrolysis tower, the vertical electrolysis tower is most applied in the electrolysis process, so that the sewage flows from bottom to top, most of the sewage needs to be pretreated before the sewage is electrolyzed through the vertical electrolysis tower, in addition, research shows that the electrolysis efficiency and the level are influenced when the pH value of the sewage is too high or too low in the electrolysis process, and the electrolysis efficiency of the acid solution with the pH value of 3-4 in the current electrolysis process is the highest.

The existing micro-electrolysis circulating water quality pretreatment device has the following problems:

1. only sewage needing micro-electrolysis is simply filtered, the pH value of the sewage cannot be adjusted to be within an optimal interval, the original acidic or alkaline liquid cannot be utilized in the adjusting process, the pH is adjusted by adding strong acid liquor or strong alkali liquor, the adding amount is not easy to control, and the adjusting range is large;

2. the sediment after filtering through the filter screen deposits to filter screen upper portion, needs regularly clear up the filter screen, prevents to block up.

Therefore, the utility model provides a vertical micro-electrolysis circulation water quality pretreatment device to solve the problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a little electrolysis cycle quality of water preprocessing device of vertical, the effectual accommodation of having solved PH is too big, can not accurate regulation, and original acid or alkaline solution can not collect and recycle, and the filter screen easily appears blockking up and the clearance is inconvenient, can not carry out the problem of aeration in advance to sewage.

The utility model discloses a support, its characterized in that, support upper end fixedly connected with lower extreme set up the sedimentation tank of drain, the sedimentation tank in fixedly connected with guide plate that inclines to left side below, guide plate left side and sedimentation tank inner wall have the clearance, guide plate lower extreme fixedly connected with filter screen that inclines to right side below, filter screen right side put fixed intercommunication in the water service pipe on sedimentation tank right side, make the water in the sedimentation tank get into the water service pipe after the filter screen filters, water service pipe right side fixed intercommunication have the equalizing basin, equalizing basin upper end fixedly connected with acid liquor pond and alkali lye pond, acid liquor pond and alkali lye pond lower extreme all fixedly connected with arrange in the solenoid valve in the equalizing basin, acid liquor pond and alkali lye pond upper end all seted up the dog-house;

the adjusting tank in be fixed connection and be connected with the PH sensor, PH sensor and fixed connection in the control module of support front end link to each other, the solenoid valve with control module link to each other.

Preferably, the regulating reservoir is internally and fixedly connected with an air pipe, the air pipe is fixedly communicated with a plurality of air branch pipes, the air branch pipes are respectively provided with a plurality of air holes, the air pipe is connected with an air pump fixedly connected to the regulating reservoir, and the air pump is connected with the control module.

Preferably, the regulating reservoir in the front side and the back side seted up acidizing fluid respectively and stored storehouse and alkali lye and store the storehouse, acidizing fluid store storehouse and alkali lye store the storehouse all through the check valve with the regulating reservoir intercommunication, acidizing fluid store storehouse and alkali lye store in the storehouse respectively and rotate and be connected with preceding lifting screw and back lifting screw, preceding lifting screw and back lifting screw respectively screw-thread fit have with acidizing fluid store storehouse and alkali lye store the preceding lifting piston board and the back lifting piston board that the storehouse inner wall closely laminated, preceding lifting screw and back lifting screw upper end respectively with fixed connection the regulating reservoir upper end preceding driving motor link to each other with back driving motor, preceding driving motor and back driving motor link to each other all with control module link to each other.

The lower ends of the acid liquor storage bin and the alkali liquor storage bin are fixedly connected with water drain electromagnetic valves, and the two water drain electromagnetic valves are connected with the control module.

Preferably, the bottom of the sedimentation tank is funnel-shaped, a cleaning driving shaft is coaxially and rotatably connected in the sedimentation tank, the lower end of the cleaning driving shaft is fixedly connected with a plurality of mud scraping plates, the lower ends of the mud scraping plates are in a curved shape which is attached to the bottom of the sedimentation tank, and the mud scraping plates are in a folded line shape;

the upper end of the cleaning driving shaft is connected with a cleaning motor fixedly connected to the upper end of the sedimentation tank, and the cleaning motor is connected with the control module.

Preferably, the upper ends of the front lifting screw rod and the rear lifting screw rod are connected with a front driving belt pulley and a rear driving belt pulley in the regulating tank through belt transmission and rotation, and the front driving belt pulley and the rear driving belt pulley are coaxially and rotatably connected with a driving shaft in the regulating tank;

the front driving belt pulley and the rear driving belt pulley are both provided with a plurality of sliding grooves, wedge blocks are connected in the sliding grooves in a front-back sliding manner, the driving shaft is provided with two groups of wedge grooves which are respectively matched with the wedge blocks in the front driving belt pulley and the rear driving belt pulley, the rotating directions of the two groups of wedge grooves are opposite, the driving shaft is connected with a driving motor fixedly connected to the upper end of the regulating tank, and the driving motor is connected with the control module;

the front lifting screw rod and the rear lifting screw rod are reciprocating screw rods.

Preferably, the lower ends of the front lifting piston plate and the rear lifting piston plate are fixedly connected with elastic pressing blocks.

The utility model aims at improving the existing micro-electrolysis circulating water quality pretreatment device, realizes the collection and utilization of the original acid liquor or alkali liquor by adding the acid liquor storage bin, the alkali liquor storage bin, the one-way valve and the water discharge solenoid valve, can adjust the pH value within a small interval, and solves the problems that the sewage can not be aerated in advance and the reaction efficiency can not be accelerated by stirring in the acid-alkali neutralization process by adding the vent pipe and the vent branch pipe; the problem that the filter screen is blocked when sediment is deposited to the upper end of the filter screen is solved by additionally arranging the guide plate and the filter screen which are obliquely arranged; the bottom of the sedimentation tank is arranged in a funnel shape, so that sediments can be conveniently sedimentated to the bottom, and the sediments can be automatically cleaned through a matched mud scraper; and the structure is simple and stable, and the universality is extremely high.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is the internal structure schematic diagram of the sedimentation tank of the utility model.

Fig. 3 is a schematic diagram of the internal structure of the regulating reservoir of the present invention.

Fig. 4 is a perspective view of the mud scraper of the present invention.

Fig. 5 is a perspective view of the ventilation tube and the ventilation branch tube of the present invention.

Fig. 6 is a schematic sectional view of the sedimentation tank of the present invention.

Fig. 7 is a schematic sectional view of the regulating tank of the present invention.

Fig. 8 is a schematic view of the forward and reverse rotation control mechanism of the upper driving pulley and the lower driving pulley of the present invention.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 8. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Embodiment one, the utility model relates to a vertical microelectrolysis circulation water quality pretreatment device, which comprises a support 1, wherein the support 1 provides a fixed support foundation for a subsequent structure, and is characterized in that the upper end of the support 1 is fixedly connected with a sedimentation tank 3 with a lower end provided with a sewage discharge outlet 2, the sewage discharge outlet 2 is internally and fixedly connected with a water drain valve, the water drain valve is an electric water drain valve, the electric water drain valve is externally connected with a power supply, the cleaning of sundries in the sedimentation tank 3 is realized through the opening and closing of the electric water drain valve, the upper end of the sedimentation tank 3 is in a half-open state, the sedimentation tank 3 is injected with water through one open side, the sedimentation tank 3 is internally and fixedly connected with a guide plate 4 which is inclined towards the lower left side, a gap exists between the left side of the guide plate 4 and the inner wall of the sedimentation tank 3, so that water flows to the lower part of the sedimentation tank 3 along the inner wall of the guide plate 4 after the flow guiding, avoid the uncertain water flow direction, directly pour into 3 bottoms of sedimentation tank cause 3 interior splash of water or the rocking of appearing water, will 3 bottoms of sedimentation tank precipitate stir mix in aquatic flow direction next process, guide plate 4 lower extreme fixed connection to the filter screen 5 that inclines to the below right side, filter screen 5 right side put fixed intercommunication in 3 right side of sedimentation tank water service pipe 6, make 3 interior water of sedimentation tank get into after filter screen 5 filters water service pipe 6, through preliminary sedimentation water pass through the filter screen get into water service pipe 6, the filter screen to the aquatic debris that do not precipitate down filter once more, avoid getting into water service pipe 6, simultaneously the filter screen be the below slope form that inclines to the right side, in the water flow direction the process of water service pipe 6, debris can not pile up on the filter screen, but slowly enters the bottom of the sedimentation tank 3 under the action of self gravity, so that the blockage of a filter screen is avoided, the right side of the water pipe 6 is fixedly communicated with an adjusting tank 7, the adjusting tank 7 is used for adjusting the PH value of water, the upper end of the regulating tank 7 is fixedly connected with an acid liquid tank 8 and an alkali liquid tank 9, the lower ends of the acid liquid tank 8 and the alkali liquid tank 9 are both fixedly connected with an electromagnetic valve arranged in the regulating tank 7, the upper ends of the acid liquid tank 8 and the alkali liquid tank 9 are both provided with a feeding port 11, the feeding of the acid liquid tank 8 and the alkali liquid tank 9 can be realized through the feeding port 11, meanwhile, the flow of the acid liquid or the alkali liquid in the acid liquid pool 8 or the alkali liquid pool 9 to the regulating pool 7 is realized through the opening and closing of the electromagnetic valve, the pH value of the water is regulated by performing acid-base neutralization reaction with the water in the regulating tank 7;

a PH sensor 12 is fixedly connected in the adjusting tank 7 and used for measuring the PH value of water in the adjusting tank 7 through the PH sensor 12, the PH sensor 12 is connected with a control module 13 fixedly connected at the front end of the support 1 and used for transmitting a measured PH value signal to the control module 13, the electromagnetic valve is connected with the control module 13, when the PH value of the water in the adjusting tank 7 is too low, the control module 13 controls the opening of the electromagnetic valve below the alkali liquor tank 9, alkali liquor is injected into the adjusting tank 7 to neutralize the acid liquor in the adjusting tank 7 so as to enable the PH value to rise to 3-4, meanwhile, the PH sensor 12 transmits a signal to the control module 13, and the control module 13 controls the closing of the electromagnetic valve below the alkali liquor tank 9, when the pH value of the water in the adjusting tank 7 is too high, the control module 13 controls the solenoid valve below the acid liquid tank 8 to open, acid liquid is injected into the adjusting tank 7 to enable the pH value to rise to 3-4, meanwhile, the pH sensor 12 transmits a signal to the control module 13, and the control module 13 controls the solenoid valve below the acid liquid tank 8 to close;

in this embodiment, in an initial state, the electric drain valve and the electromagnetic valve are both in a closed state, and at the same time, the feeding port 11 is used to fill the acid solution tank 8 and the alkali solution tank 9 with corresponding acid solution or alkali solution, then the sedimentation tank 3 is filled with water through the upper side of the sedimentation tank 3, the water enters the lower side of the sedimentation tank 3 along the side wall of the sedimentation tank 3 under the guiding action of the guiding plate 4, at this time, impurities in the water float to the bottom of the sedimentation tank 3 under the action of its own gravity, and at the same time, the water enters the water pipe 6 after passing through the filter screen, and then enters the adjusting tank 7 through the water pipe 6, the water level entering the adjusting tank 7 gradually rises, and when the PH value of the water is measured by the PH sensor 12, a PH value signal is transmitted to the control module 13, when the pH value of the water in the adjusting tank 7 is too low, the control module 13 controls the electromagnetic valve below the alkali liquor tank 9 to open, alkali liquor is injected into the adjusting tank 7 to neutralize the acid liquor in the adjusting tank 7, so that the pH value is increased to 3-4, meanwhile, the PH sensor 12 transmits signals to the control module 13, the control module 13 controls the electromagnetic valve below the alkali liquor pool 9 to be closed to finish adjustment, when the pH value of the water in the adjusting tank 7 is too high, the control module 13 controls the electromagnetic valve below the acid liquid tank 8 to be opened, acid liquid is injected into the adjusting tank 7 to enable the pH value to rise to 3-4, meanwhile, the PH sensor 12 transmits a signal to the control module 13, and the control module 13 controls the electromagnetic valve below the acid liquid pool 8 to be closed.

In the second embodiment, based on the first embodiment, in the process of adjusting the PH value of water by releasing acid solution or alkali solution through the electromagnetic valve, because the fluidity of water is limited, the acid-base neutralization reaction rate is slow, so that the acid-base distribution in the adjusting tank 7 is uneven, and the water needs to be aerated before micro-electrolysis, and the higher the degree of aeration, the better the electrolysis effect is, the present embodiment provides a device capable of stirring water and simultaneously realizing aeration effect, specifically, a vent pipe 14 is fixedly connected in the adjusting tank 7, a plurality of vent branch pipes 15 are fixedly communicated on the vent pipe 14, a plurality of vent holes 16 are respectively formed on the vent branch pipes 15, the vent pipe 14 is connected with an air pump 17 fixedly connected on the adjusting tank 7, and the vent holes 16 are formed in the same direction, the air pump 17 is connected with the control module 13, and the control module 13 controls the air pump 17 to start the air pump 17 while injecting water into the sedimentation tank 3.

In the third embodiment, on the basis of the second embodiment, when the PH is adjusted by the strong acid solution and the strong alkali solution in the acid solution pool 8 and the alkali solution pool 9, the adjustment range is too large, which results in inaccurate adjustment and cannot fall within the optimal PH range, and meanwhile, when the PH of water is different, the raw liquid cannot be collected for neutralizing and adjusting the PH of the water liquid to be processed next time, and the resource utilization rate is low, so this embodiment provides a device for fine adjustment of the PH and collection and utilization of the original acid and alkali, specifically, an acid solution storage bin 18 and an alkali solution storage bin 19 are respectively disposed at the front side and the rear side of the adjustment pool 7, the acid solution storage bin 18 and the alkali solution storage bin 19 are respectively used for storing the water liquid with the PH value lower than 4 and the PH value higher than 4, the acid solution storage bin 18 and the alkali solution storage bin 19 are both communicated with the adjustment pool 7 through a check valve 20, and the check valve 20 enables water to enter the acid solution storage bin 18 and the alkali solution storage bin 19 only from the adjustment pool 7 The acid liquor storage bin 18 and the alkali liquor storage bin 19 are respectively connected with a front lifting screw 21 and a rear lifting screw 22 in a rotating manner, the front lifting screw 21 and the rear lifting screw 22 are respectively matched with a front lifting piston plate 23 and a rear lifting piston plate 24 which are tightly attached to the inner walls of the acid liquor storage bin 18 and the alkali liquor storage bin 19 in a threaded manner, the upper ends of the front lifting screw 21 and the rear lifting screw 22 are respectively connected with a front driving motor 35 and a rear driving motor 35 which are fixedly connected to the upper end of the adjusting tank 7, the front driving motor 35 and the rear driving motor 35 are connected with the control module 13, when the pH value of water in the adjusting tank 7 is lower than 4, the front driving motor 35 drives the front lifting screw 21 to rotate and drives the front lifting piston plate 23 to slide upwards, when the front lifting piston plate 23 slides upwards, water with the pH value lower than 4 in the adjusting tank 7 is pumped into the acid liquor storage bin 18 through the check valve 20, when the pH value of the water in the adjusting tank 7 is higher than 4, the rear driving motor 35 drives the rear lifting screw 22 to rotate and simultaneously drives the rear lifting piston plate 24 to slide upwards, and when the rear lifting piston plate 24 slides upwards, the water with the pH value lower than 4 in the adjusting tank 7 is pumped into the alkali liquor storage bin 19 through the check valve 20;

the lower ends of the acid liquor storage bin 18 and the alkali liquor storage bin 19 are fixedly connected with water drain electromagnetic valves 25, the two water drain electromagnetic valves 25 are connected with the control module 13, water in the acid liquor storage bin 18 and water in the alkali liquor storage bin 19 can be drained into the regulating reservoir 7 through opening and closing of the water drain electromagnetic valves 25, water in the regulating reservoir 7 is neutralized, firstly, the water is neutralized through strong acid liquid or strong alkali liquid in the acid liquid pool 8 or the alkali liquid pool 9, after the neutralization is completed, the PH value is finely adjusted through the water in the acid liquor storage bin 18 and the alkali liquor storage bin 19, the control module 13 controls the corresponding water drain electromagnetic valves 25 to be opened, and meanwhile, the front driving motor 35 or the rear driving motor 35 is reversely started, so that the front lifting piston or the rear lifting piston slides downwards to adjust the PH value of the water in the regulating reservoir 7, and meanwhile, the PH sensor 12 measures the PH value, the PH sensor 12 transmits a signal to the control module 13, when the PH value reaches 3-4, the control module 13 controls the water discharging electromagnetic valve 25 to be closed, the fine adjustment of the PH value of the water in the adjusting tank 7 is completed, and the discharge mode of the water in the alkali liquor storage bin 19 is the same as the discharge and use mode of the water in the acid liquor storage bin 18.

In the fourth embodiment, based on the first embodiment, in the process of downward precipitation of the sediment in the sedimentation tank 3, since the bottom of the sedimentation tank 3 is in a flat state, the sediment at the bottom is prone to secondary floating, so this embodiment provides a structure easy to precipitate, specifically, the bottom of the sedimentation tank 3 is funnel-shaped, the sediment is precipitated to the bottom of the funnel-shaped sedimentation tank 3, for convenience of cleaning, a cleaning driving shaft 26 is coaxially and rotatably connected in the sedimentation tank 3, a plurality of mud scraping plates 27 are fixedly connected to the lower end of the cleaning driving shaft 26, the lower ends of the mud scraping plates 27 are in a curved shape attached to the bottom of the sedimentation tank 3, the mud scraping plates 27 are in a broken line shape, the cleaning driving shaft 26 is rotated to drive the mud scraping plates 27 to rotate around the bottom of the sedimentation tank 3, and meanwhile, since the mud scraping plates 27 are in a broken line shape, the scraped soil sundries directly fall to the sewage draining outlet 2 and are discharged from the sewage draining outlet 2;

the upper end of the cleaning driving shaft 26 is connected with a cleaning motor 28 fixedly connected to the upper end of the sedimentation tank 3, the cleaning motor 28 is connected with the control module 13, when cleaning is needed, the cleaning motor 28 is started through the control module 13, and meanwhile, the cleaning driving shaft 26 drives the mud scraping plate 27 to rotate so as to clean the bottom of the sedimentation tank 3.

Fifth embodiment, on the basis of the third embodiment, the front driving motor 35 and the rear driving motor 35 are used to control the front lifting screw 21 and the rear lifting screw 22, so that the number of motors used is increased, and instability in use is increased, and this embodiment provides a structure for synchronous transmission of the front lifting screw 21 and the rear lifting screw 22, specifically, the upper ends of the front lifting screw 21 and the rear lifting screw 22 are connected to the front driving pulley 29 and the rear driving pulley 30 in the adjusting tank 7 through belt transmission and rotation, the front driving pulley 29 and the rear driving pulley 30 are coaxially and rotatably connected to the driving shaft 31 in the adjusting tank 7, so that the driving shaft 31 rotates to drive the front driving pulley 29 and the rear driving pulley 30 to rotate;

the front driving belt pulley 29 and the rear driving belt pulley 30 are both provided with a plurality of sliding grooves 32, the sliding grooves 32 are internally and longitudinally provided with wedge blocks 33, the driving shaft 31 is provided with two sets of wedge grooves 34 which are respectively matched with the wedge blocks 33 in the front driving belt pulley 29 and the rear driving belt pulley 30, the rotating directions of the two sets of wedge grooves 34 are opposite, when the driving shaft 31 rotates clockwise, the driving shaft 31 drives the rear driving belt pulley 30 to synchronously rotate through the cooperation of the wedge grooves 34 and the wedge blocks 33 in the rear driving belt pulley 30, and simultaneously, when the driving shaft 31 rotates anticlockwise, the wedge grooves 34 and the wedge blocks 33 in the front driving belt pulley 29 are matched to drive the front driving belt pulley 29 to synchronously rotate, the driving shaft 31 is connected with a driving motor 35 which is fixedly connected with the upper end of the adjusting tank 7, the driving motor 35 is connected with the control module 13, and the front lifting screw 21 and the rear lifting screw 22 are reciprocating screws, so that the front lifting piston and the rear lifting piston can slide up and down in a reciprocating manner.

In the sixth embodiment, on the basis of the fifth embodiment, the lower ends of the front lifting piston plate 23 and the rear lifting piston plate 24 are both fixedly connected with an elastic pressing block 36, and in the lifting process of the front lifting piston plate 23 and the rear lifting piston plate 24, the elastic pressing block 36 is ensured to be always in a close fit state with the inner walls of the acid storage bin 18 and the alkali storage bin 19, so that the sealing performance is improved.

When the device is used in a specific mode, in an initial state, the electric water drain valve and the electromagnetic valve are both in a closed state, the acid liquid pool 8 and the alkali liquid pool 9 are filled with corresponding acid liquid or alkali liquid through the feeding port 11, then the sedimentation pool 3 is filled with water through the upper part of the sedimentation pool 3, the water enters the lower part of the sedimentation pool 3 along the side wall of the sedimentation pool 3 under the flow guiding effect of the flow guiding plate 4, impurities in the water float to the bottom of the sedimentation pool 3 under the self gravity effect at the moment, meanwhile, the water enters the water through the filter screen 5 and then enters the water through the water pipe 6, then enters the adjusting pool 7 through the water pipe 6, the water level in the adjusting pool 7 gradually rises, when the pH value of the water is measured by the pH sensor 12, a pH value signal is transmitted to the control module 13, when the pH value of the water in the adjusting pool 7 is too low, the control module 13 controls the electromagnetic valve below the alkali liquid pool 9 to be opened, the alkali liquid is filled, the PH value is increased to 3-4, meanwhile, the PH sensor 12 transmits a signal to the control module 13, the control module 13 controls the electromagnetic valve below the alkaline liquid pool 9 to be closed, the adjustment is completed, when the PH value of the water in the adjusting pool 7 is too high, the control module 13 controls the electromagnetic valve below the acid liquid pool 8 to be opened, acid liquid is injected into the adjusting pool 7, the PH value is increased to 3-4, meanwhile, the PH sensor 12 transmits a signal to the control module 13, and the control module 13 controls the electromagnetic valve below the acid liquid pool 8 to be closed;

when the pH value of the water is adjusted to be near 3-4, the pH value of the water is precisely adjusted through the acid liquid storage bin 18 and the alkali liquid storage bin 19, when the pH value of the water is higher than 4, the control module 13 controls the water discharging electromagnetic valve 25 and the driving motor 35 under the acid liquid storage bin 18 to rotate anticlockwise, water in the acid liquid storage bin 18 is filled into the adjusting tank 7, the pH value in the adjusting tank 7 is reduced, and when the pH value is reduced to be within 3-4, the control module 13 controls the water discharging electromagnetic valve 25 and the driving motor 35 under the acid liquid storage bin 18 to stop running;

when the PH value of the water is lower than 3, the control module 13 controls the water discharging electromagnetic valve 25 and the driving motor 35 under the alkali liquor storage bin 19 to rotate clockwise, water in the alkali liquor storage bin 19 is filled into the adjusting tank 7, the PH value in the adjusting tank 7 is increased, and when the PH value is increased to 3-4, the control module 13 controls the water discharging electromagnetic valve 25 and the driving motor 35 under the alkali liquor storage bin 19 to stop running.

The utility model aims at improving the existing micro-electrolysis circulating water quality pretreatment device, realizes the collection and utilization of the original acid liquor or alkali liquor by additionally arranging the acid liquor storage bin 18, the alkali liquor storage bin 19, the one-way valve 20 and the water drain solenoid valve 25, can adjust the PH value within a small interval, and solves the problems that the sewage cannot be aerated in advance and the reaction efficiency cannot be accelerated by stirring in the acid-base neutralization process by additionally arranging the vent pipe 14 and the vent branch pipe 15; the problem that the filter screen is blocked when sediment is precipitated to the upper end of the filter screen is solved by additionally arranging the guide plate 4 and the filter screen which are obliquely arranged; the bottom of the sedimentation tank 3 is arranged to be funnel-shaped, so that sediments can be conveniently sedimentated to the bottom, and the sediments can be automatically cleaned through a matched mud scraper 27; and the structure is simple and stable, and the universality is extremely high.

Claims

1. Vertical microelectrolysis circulation water quality preprocessing device, including support (1), its characterized in that, support (1) upper end fixedly connected with lower extreme set up sedimentation tank (3) of drain (2), sedimentation tank (3) internal fixation connect guide plate (4) of below slope to the left side, guide plate (4) left side and sedimentation tank (3) inner wall have the clearance, guide plate (4) lower extreme fixedly connected with filter screen (5) of below slope to the right side, filter screen (5) right side put fixed intercommunication in sedimentation tank (3) right side water service pipe (6), make the water in sedimentation tank (3) filter the back through filter screen (5) and get into water service pipe (6), water service pipe (6) right side fixed intercommunication have equalizing basin (7), equalizing basin (7) upper end fixedly connected with acid liquor pond (8) and alkali lye pond (9), the lower ends of the acid liquid tank (8) and the alkali liquid tank (9) are fixedly connected with electromagnetic valves arranged in the regulating tank (7), and the upper ends of the acid liquid tank (8) and the alkali liquid tank (9) are respectively provided with a feeding port (11);

the adjusting tank (7) internal fixation is connected with a PH sensor (12), the PH sensor (12) is connected with a control module (13) at the front end of the support (1) in a fixed manner, and the electromagnetic valve is connected with the control module (13).

2. The vertical microelectrolysis circulating water quality pretreatment device according to claim 1, wherein a vent pipe (14) is fixedly connected in the regulating tank (7), a plurality of vent branch pipes (15) are fixedly communicated on the vent pipe (14), a plurality of vent holes (16) are formed in the vent branch pipes (15), the vent pipe (14) is connected with an air pump (17) fixedly connected on the regulating tank (7), and the air pump (17) is connected with the control module (13).

3. The vertical microelectrolysis circulating water quality pretreatment device according to claim 2, wherein an acid liquid storage bin (18) and an alkali liquid storage bin (19) are respectively formed in the front side and the rear side of the adjusting tank (7), the acid liquid storage bin (18) and the alkali liquid storage bin (19) are communicated with the adjusting tank (7) through one-way valves (20), a front lifting screw rod (21) and a rear lifting screw rod (22) are respectively and rotatably connected in the acid liquid storage bin (18) and the alkali liquid storage bin (19), the front lifting screw rod (21) and the rear lifting screw rod (22) are respectively in threaded fit with a front lifting piston plate (23) and a rear lifting piston plate (24) which are tightly attached to the inner walls of the acid liquid storage bin (18) and the alkali liquid storage bin (19), and the upper ends of the front lifting screw rod (21) and the rear lifting screw rod (22) are respectively and fixedly connected to a front driving motor (35) and a rear driving motor (35) at the upper end of the adjusting tank (7) 35) And the front driving motor (35) and the rear driving motor (35) are connected with the control module (13).

4. The vertical microelectrolysis circulation water quality pretreatment device according to claim 3, wherein water discharging electromagnetic valves (25) are fixedly connected to the lower ends of the acid liquid storage bin (18) and the alkali liquid storage bin (19), and the two water discharging electromagnetic valves (25) are connected with the control module (13).

5. The vertical microelectrolysis circulating water quality pretreatment device according to claim 1, wherein the bottom of the sedimentation tank (3) is funnel-shaped, a cleaning driving shaft (26) is coaxially and rotatably connected in the sedimentation tank (3), a plurality of mud scraping plates (27) are fixedly connected to the lower end of the cleaning driving shaft (26), the lower ends of the mud scraping plates (27) are in an arc shape attached to the bottom of the sedimentation tank (3), and the mud scraping plates (27) are in a folded line shape;

the upper end of the cleaning driving shaft (26) is connected with a cleaning motor (28) fixedly connected to the upper end of the sedimentation tank (3), and the cleaning motor (28) is connected with the control module (13).

6. The vertical microelectrolysis circulating water quality pretreatment device is characterized in that the upper ends of the front lifting screw rod (21) and the rear lifting screw rod (22) are respectively connected with a front driving belt pulley (29) and a rear driving belt pulley (30) which are rotatably connected in the regulating tank (7) through a belt transmission mechanism, and the front driving belt pulley (29) and the rear driving belt pulley (30) are coaxially and rotatably connected with a driving shaft (31) which is rotatably connected in the regulating tank (7);

the front driving belt pulley (29) and the rear driving belt pulley (30) are respectively provided with a plurality of sliding grooves (32), wedge blocks (33) are respectively connected in the sliding grooves (32) in a front-back sliding manner, the driving shaft (31) is provided with two groups of wedge grooves (34) which are respectively matched with the wedge blocks (33) in the front driving belt pulley (29) and the rear driving belt pulley (30), the rotating directions of the two groups of wedge grooves (34) are opposite, the driving shaft (31) is connected with a driving motor (35) fixedly connected to the upper end of the adjusting tank (7), and the driving motor (35) is connected with the control module (13);

the front lifting screw rod (21) and the rear lifting screw rod (22) are reciprocating screw rods.

7. The vertical microelectrolysis circulating water quality pretreatment device according to claim 3, wherein the lower ends of the front lifting piston plate (23) and the rear lifting piston plate (24) are fixedly connected with an elastic pressing block (36).