CN212076703U

CN212076703U - Micro-electrolysis reactor for sewage treatment

Info

Publication number: CN212076703U
Application number: CN202020753925.4U
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: 2020-12-04
Anticipated expiration: 2030-05-09

Abstract

The utility model relates to a micro-electrolysis reactor for sewage treatment, which effectively solves the problems that the hydraulic power distribution is uneven, the gas and sewage are mixed unevenly in the aeration process, and the electrolysis efficiency is influenced by the passivation and sediment blockage on the surface layer of micro-electrolysis filler; the device comprises a support, wherein the upper end of the support is fixedly connected with a precipitation bin provided with a sewage discharge outlet, an air inlet bent pipe is fixedly connected in the precipitation bin, the air inlet bent pipe is fixedly communicated with a plurality of air inlet branch pipes, the precipitation bin is coaxially and fixedly connected with a plurality of flow equalizing plates arranged above the air inlet branch pipes, the upper end of the precipitation bin is fixedly connected with a reaction bin, a rotating air pipe communicated with the air inlet bent pipe is coaxially arranged in the reaction bin, a plurality of bent pipe spray heads are fixedly connected on the rotating air pipe, the rotating directions of the plurality of bent pipe spray heads are consistent, a micro-electrolysis filler sleeved on the periphery of the rotating air pipe is coaxially and fixedly connected in the; the utility model discloses simple structure, practicality are strong.

Description

Micro-electrolysis reactor for sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a micro-electrolysis reactor for sewage treatment.

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 potential 2+ difference is formed between the high potential of iron and the low point of carbon in the water solution through the iron filings, countless tiny galvanic cells are generated, the nascent state H, Fe generated by the electrode reaction has strong reducing capability, the chain of the organic pollutants which are difficult to degrade and have ring shapes or unsaturated bonds can be broken, and the organic matters which are relatively easy to degrade are generated, so that the colored substances and the organic pollutants which are difficult to degrade in the wastewater can be effectively removed 2 +. The nascent state Fe generated after the iron loses electrons has higher adsorption coagulation activity, and can effectively remove organic pollutants and colloidal substances in the wastewater.

The existing micro-electrolysis reactor has the following problems:

1. before sewage enters the micro-electrolysis filler, water power cannot be uniformly mixed, a stable water flow is ensured, and gas and sewage cannot be fully mixed in the aeration process or only in a strange way and are filled in the sewage;

2. the micro-electrolysis filler adheres to the surface in the form of precipitates in the electrolysis process to form a plate, so that the sewage is prevented from further efficiently contacting with the micro-electrolysis filler, and the electrolysis efficiency is influenced.

Therefore, the utility model provides a micro-electrolysis reactor for sewage treatment to solve the problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defect of prior art, the utility model provides a sewage treatment's micro-electrolysis reactor, the effectual water conservancy of having solved distributes unevenly, aeration process gas and sewage mix inhomogeneous to and micro-electrolysis filler top layer appear passivation and deposit jam influence electrolysis efficiency's problem.

The utility model comprises a support, and is characterized in that the upper end of the support is fixedly connected with a settling bin provided with a drain outlet, an air inlet bent pipe is fixedly connected in the settling bin, the air inlet bent pipe is fixedly communicated with a plurality of air inlet branch pipes, a plurality of air vents are arranged on the air inlet branch pipes, and the air inlet bent pipe is connected with an air pump fixedly connected on the support;

a plurality of flow equalizing plates arranged above the air inlet branch pipes are coaxially and fixedly connected in the settling bin, and the apertures of the flow equalizing plates are gradually reduced from bottom to top;

the upper end of the precipitation bin is fixedly connected with a reaction bin, a rotary air pipe communicated with the air inlet bent pipe is coaxially arranged in the reaction bin, a plurality of bent pipe spray heads are fixedly connected to the rotary air pipe, the rotation directions of the plurality of bent pipe spray heads are consistent, a micro-electrolysis filler sleeved on the periphery of the rotary air pipe is coaxially and fixedly connected in the reaction bin, and a gap is formed between the micro-electrolysis filler and the bent pipe spray heads;

the upper end of the reaction bin is fixedly connected with an overflow bin, and one side of the overflow bin is provided with a water outlet.

Preferably, the flow equalizing plates are distributed in three layers, the lower ends of the flow equalizing plates at the lowest layer are coaxially and fixedly connected with rotating gear rings, gear shafts rotatably connected with the settling bins are meshed beside the rotating gear rings, and the gear shafts are connected with driving motors fixedly connected to the lower ends of the settling bins;

the upper end of the flow equalizing plate at the lowermost layer is fixedly connected with a fixed shaft sleeved outside the rotary air pipe, the fixed shaft is coaxially and fixedly connected with a primary gear and a secondary gear, a primary planet gear is meshed beside the primary gear, and the primary planet gear is meshed with a primary driving gear ring arranged on the flow equalizing plate at the middle layer;

the other meshing of secondary gear have the secondary planet wheel, the secondary planet wheel with set up in the superiors the board on the average flow meshing mutually, the root radius of circle of secondary drive ring gear be greater than the root radius of circle of one-level drive ring gear.

Preferably, the reaction bin is internally and fixedly connected with a filter which is arranged above the flow equalizing plate on the uppermost layer, the filter is in an inverted funnel shape, the filter is provided with a plurality of filter holes, and the outer side of the filter is attached to the micro-electrolysis filler.

Preferably, the upper end of the rotary air pipe is connected with a high-pressure water pump fixedly connected to the upper end of the overflow bin, the upper end of the rotary air pipe and the air inlet bent pipe are fixedly connected with electromagnetic valves, and one electromagnetic valve is opened while the other electromagnetic valve is closed.

The utility model improves the existing micro-electrolysis reactor for sewage treatment, balances the water power by adding a plurality of flow equalizing plates with different apertures to ensure the stability of water flow, and solves the problem of uneven mixing of gas and sewage in the aeration process by adding an air inlet bent pipe and an air inlet branch pipe; the problems of mixing and stirring after sewage enters a reaction bin and blockage of micro-electrolysis fillers are effectively solved by additionally arranging the rotary air pipe and the bent pipe spray head with the same rotary direction; the problem of blockage caused by the fact that large-volume impurities in the sewage enter the micro-electrolysis filler is solved by additionally arranging the filter; 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 a schematic perspective view of the present invention.

Fig. 3 is a schematic view of the internal structure of the present invention in partial section.

Fig. 4 is a schematic sectional view of the rotation mechanism of the flow equalizing plate of the present invention.

Fig. 5 is a schematic partial perspective view of the flow equalizing plate driving mechanism of the present invention.

Fig. 6 is a perspective view of the intake elbow and the intake manifold of the present invention.

Fig. 7 is a partial schematic view of the rotary air pipe of the present invention.

Fig. 8 is a schematic sectional view of the overflow bin 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 sewage treatment's micro-electrolysis reactor, including support 1, support 1 provide the fixed support basis for follow-up structure, support 1 intermediate portion be hollow, be convenient for install the operation to follow-up structure, its characterized in that, support 1 upper end fixedly connected with set up the precipitation storehouse 3 of drain 2, the interior fixedly connected with drain valve of drain 2, can realize through the opening and closing of drain valve discharging the precipitate in the precipitation pond, precipitation storehouse 3 one side seted up the inlet opening, the inlet opening and external sewage water supply installation be linked together, continuously inject into the precipitation storehouse 3 through external sewage water supply installation in the sewage, precipitation storehouse 3 in fixedly connected with air inlet elbow 4, air inlet elbow 4 be fixed the intercommunication have a plurality of air inlet branch pipe 5, a plurality of vent holes 6 are formed in each of the plurality of air inlet branch pipes 5, the air inlet bent pipe 4 is connected with an air pump 7 fixedly connected to the support 1, the air pump 7 is externally connected with a power supply, the air inlet bent pipe 4 is supplied with air through the air pump 7, and then the air is injected into the settling bin 3 through the air inlet branch pipes 5 and the vent holes 6 and is mixed with the sewage in the settling bin 3 to form uniform bubbles, so that the aeration efficiency is increased, and the aeration is uniform;

a plurality of flow equalizing plates 8 arranged above the air inlet branch pipe 5 are coaxially and fixedly connected in the settling bin 3, the aperture of the flow equalizing plates 8 is gradually reduced from bottom to top, sewage in the settling bin 3 flows upwards under the influence of an external sewage supply device, meanwhile, aeration is carried out through the air inlet branch pipe 5, then, the water power is continuously balanced upwards through the flow equalizing plates 8, meanwhile, due to the fact that the aperture of the flow equalizing plates 8 is different, bubbles formed after aeration are divided into a plurality of small bubbles, the contact area of gas and sewage is increased, and aeration is more uniform and thorough;

deposit 3 upper ends fixedly connected with reaction storehouse 9 in the storehouse, reaction storehouse 9 in coaxial put with the rotatory trachea 10 of the return bend 4 intercommunication that admits air, rotatory trachea 10 on a plurality of return bend shower nozzles 11 of fixedly connected with, a plurality of return bend shower nozzle 11 revolve to unanimity, gaseous through admit air return bend 4 get into rotatory trachea 10, then pass through return bend shower nozzle 11 arrange to reaction storehouse 9 in, simultaneously because return bend shower nozzle 11 be the elbow form to revolve to unanimity, can drive sewage on every side and take place corresponding rotation outside jet-propelled in-process, form a pivoted rivers, stir the mixture to rivers, reaction storehouse 9 in coaxial fixedly connected with cover establish rotatory trachea 10 peripheral microelectrolysis filler 12, microelectrolysis filler 12 with return bend shower nozzle 11 between have the clearance, the sewage entering the reaction bin 9 enters the micro-electrolysis filler 12 for electrolysis treatment, and meanwhile, the bent pipe spray head 11 sprays air to drive airflow to flow, so that precipitates formed after the sewage is electrolyzed are avoided or alternatively adhered to the surface layer of the micro-electrolysis filler 12, the micro-electrolysis filler 12 is passivated, and meanwhile, the sewage is further aerated, so that the electrolysis efficiency is enhanced;

the upper end of the reaction bin 9 is fixedly connected with an overflow bin 13, the lower end of the overflow bin 13 is flush with the upper end of the reaction bin 9, the electrolyzed sewage continuously flows upwards under the action of external water pressure and flows into the overflow bin 13 through the upper end of the micro-electrolysis filler 12, a water outlet 14 is formed in one side of the overflow bin 13, and the electrolyzed water entering the overflow bin 13 is discharged through the water outlet 14 and flows to an external collecting device;

in the embodiment, in the initial state, the drain valve is in the closed state, the external sewage water supply device and the air pump 7 are simultaneously started, sewage enters the settling bin 3, gas discharged through the gas inlet branch pipe 5 is aerated to form a plurality of bubbles and flows upwards, water power is balanced through the plurality of flow equalizing plates 8 in the upward flowing process, so that water flow is in a stable state, the phenomenon of high local flow rate is avoided, meanwhile, in the process that sewage is mixed with bubbles and passes through the flow equalizing plates 8, the bubbles are divided into a plurality of small bubbles through the division of the flow equalizing plates 8 with different apertures to be mixed with the sewage, the aeration efficiency is enhanced, the electrolysis efficiency is increased, the sewage after flow equalization through the flow equalizing plates 8 enters the reaction bin 9 and then enters the microelectrolysis filler 12, meanwhile, the rotary elbow sprays air into the reaction bin 9 through the elbow nozzle 11, the elbow nozzle 11 sprays air to form rotary airflow so as to enable sewage to rotate to a certain degree, meanwhile, the sewage rotation is equal to stirring the sewage, so that precipitates are prevented from being attached to the surface of the micro-electrolysis filler 12, the sewage after electrolysis continuously moves upwards, enters the overflow bin and is discharged to the outside through the drain hole, and the whole process is completed.

In the second embodiment, on the basis of the first embodiment, in the process of dividing bubbles and balancing hydraulic power by a plurality of flow equalizing plates 8, since the flow equalizing plates 8 are in a static state, flow equalizing and bubble dividing are performed by water flow through the flow equalizing plates 8 only, the effect is not obvious, and the effect of flow equalizing and bubble dividing is poor, the present embodiment provides a device for rotating the flow equalizing plates 8 relatively, specifically, the flow equalizing plates 8 are distributed in three layers, the flow equalizing plates 8 are rotatably connected with the settling bins 3, the lower ends of the flow equalizing plates 8 at the lowest layer are coaxially and fixedly connected with rotating gear rings 15, gear shafts 16 rotatably connected with the settling bins 3 are meshed beside the rotating gear rings 15, the gear shafts 16 are connected with driving motors 17 fixedly connected to the lower ends of the settling bins 3, and the driving motors 17 drive the gear shafts 16 to rotate, the gear shaft 16 rotates to drive the rotating gear ring 15 to rotate, and the rotating gear ring 15 rotates to drive the lower flow equalizing plate 8 to synchronously rotate;

the upper end of the lowermost flow equalizing plate 8 is fixedly connected with a fixed shaft 18 which is sleeved outside the rotary air pipe 10, the fixed shaft 18 is coaxially and fixedly connected with a primary gear 19 and a secondary gear 20, a primary planet gear 21 is meshed beside the primary gear 19, the primary planet gear 21 is meshed with a primary driving gear ring 22 which is arranged on the flow equalizing plate 8 in the middle layer, the flow equalizing plate 8 in the lower layer rotates to drive the fixed shaft 18 to synchronously rotate, the fixed shaft 18 rotates to drive the primary gear 19 and the secondary gear 20 to synchronously rotate, the primary gear 19 rotates to drive the primary planet gear 21 to rotate, and the primary planet gear 21 rotates to drive the flow equalizing plate 8 in the middle layer to rotate;

the other meshing of secondary gear 20 have secondary planet wheel 23, secondary planet wheel 23 with set up in the superiors the second grade drive ring gear 24 on the flow equalizing plate 8 mesh mutually, secondary gear 20 rotate and drive secondary planet wheel 23 rotate, secondary planet wheel 23 rotate and drive the upper strata the flow equalizing plate 8 rotate, second grade drive ring gear 24's root radius be greater than the root radius of one-level drive ring gear 22, realize the three-layer the differential rotation of flow equalizing plate 8, better carry out the equilibrium and cut apart the bubble to water conservancy, the increase is to the aeration rate of sewage.

In the third embodiment, on the basis of the second embodiment, in the process that the sewage enters the microelectrolysis filler 12 through the flow equalizing plate 8, the impurities are mixed in the sewage, so that the impurities enter the microelectrolysis filler 12 and then block the microelectrolysis filler 12, so that the sewage cannot smoothly enter the microelectrolysis filler 12, and the electrolysis efficiency is reduced, therefore, the embodiment provides the anti-blocking device, specifically, the reaction bin 9 is internally and fixedly connected with a filter 25 which is arranged above the flow equalizing plate 8 at the uppermost layer, the filter 25 is in an inverted funnel shape, the rotating air pipe 10 is arranged inside the filter 25 in a penetrating manner, the filter 25 is in an inverted funnel shape, so that the sewage can enter the microelectrolysis filler 12 through the lower part and the inner part of the filter 25 after entering the reaction bin 9 to electrolyze the sewage, the area of entering the micro-electrolysis filler 12 is increased, the electrolysis efficiency is increased, the filter 25 is provided with a plurality of filter holes 26, the pore size of the filter holes 26 is smaller than that of each flow equalizing plate 8, so that sundries passing through the flow equalizing plates 8 can be blocked by the filter 25, and the outer side of the filter 25 is attached to the micro-electrolysis filler 12.

Fourth embodiment, on the basis of the first embodiment, when the surface layers of the filter 25, the flow equalizing plate 8 and the micro-electrolysis filler 12 need to be cleaned, the impurities are cleaned by blowing close to the air flow, which is prone to cause incomplete cleaning, and the cleaned impurities still remain in the reaction bin 9 and are not easy to slide downward, so the present embodiment provides a cleaning manner, specifically, the upper end of the rotating air pipe 10 is connected to a high pressure water pump 27 fixedly connected to the upper end of the overflow bin, water is supplied to the rotating air pipe 10 by the high pressure water pump 27, the water sprays water to the filter 25 and the micro-electrolysis filler 12 through the elbow nozzle 11 for cleaning, the cleaned impurities or sediments flow along with the water flow to the precipitation bin 3, and enter the air inlet elbow 4 through the rotating air pipe 10, and then sprays water to the precipitation bin 3 through the air inlet branch pipe 5, will deposit storehouse 3 and flow equalizing plate 8 wash, waste water and precipitate after the washing get into 3 bottoms in the storehouse of depositing, through drain 2 arrange to the external world, in order to avoid going on in step of air feed and water supply to and lead to the fact harm to corresponding equipment, rotatory trachea 10 upper end with air inlet bend 4 on equal fixedly connected with solenoid valve, one the solenoid valve open another the solenoid valve close, solenoid valve accessible single chip microcomputer control unit control, this technique is prior art, and here is no longer repeated.

When the device is used, in an initial state, the drain valve is in a closed state, an external sewage water supply device, the air pump 7 and the driving motor 17 are started simultaneously, sewage enters the settling bin 3, gas discharged through the gas inlet branch pipe 5 is aerated to form a plurality of bubbles and flows upwards, meanwhile, the driving motor 17 drives the three-layer flow equalizing plate 8 to rotate at a different speed through the gear shaft 16, the rotating gear ring 15, the fixed shaft 18, the first-stage gear 19, the first-stage planet gear 21, the first-stage driving gear ring 22, the second-stage gear 20, the second-stage planet gear and the second-stage driving gear ring 24, so that the water flows upwards and is balanced by the plurality of flow equalizing plates 8, the water flow is in a stable state, the phenomenon of high local flow speed cannot occur, meanwhile, in the process that the sewage is mixed with the bubbles and passes through the flow equalizing plates 8, the divided bubbles passing through, the aeration efficiency is enhanced, the electrolysis efficiency is increased, the sewage after flow equalization by the flow equalization plate 8 enters the reaction bin 9 and then enters the micro-electrolysis filler 12, meanwhile, the rotary elbow jets air into the reaction bin 9 through the elbow nozzle 11, the elbow nozzle 11 jets air to form rotary air flow so as to rotate the sewage to a certain extent, meanwhile, the sewage rotation is equal to stirring the sewage, so that the sediment is prevented from being attached to the surface of the micro-electrolysis filler 12, the sewage after electrolysis continuously ascends to enter the overflow bin and is discharged to the outside through the drain hole, and the whole process is completed;

when the cleaning device needs to be cleaned after being used, the electromagnetic valve fixed on the air inlet bent pipe 4 is closed, meanwhile, the other electromagnetic valve is opened, water is supplied to the rotating air pipe 10 through the high-pressure water pump 27, water is sprayed to the filter 25 and the micro-electrolysis filler 12 through the bent pipe spray head 11 for cleaning, sundries or sediments after cleaning flow with water flow to deposit the bin 3, meanwhile, the sundries or the sediments enter the air inlet bent pipe 4 through the rotating air pipe 10, then water is sprayed into the depositing bin 3 through the air inlet branch pipe 5, the depositing bin 3 and the flow equalizing plate 8 are cleaned, waste water and sediments after cleaning enter the bottom of the depositing bin 3 and are discharged to the outside through the drain outlet 2.

Claims

1. A micro-electrolysis reactor for sewage treatment comprises a support (1) and is characterized in that the upper end of the support (1) is fixedly connected with a precipitation bin (3) provided with a sewage outlet (2), an air inlet bent pipe (4) is fixedly connected in the precipitation bin (3), the air inlet bent pipe (4) is fixedly communicated with a plurality of air inlet branch pipes (5), a plurality of vent holes (6) are formed in the air inlet branch pipes (5), and the air inlet bent pipe (4) is connected with an air pump (7) fixedly connected to the support (1);

a plurality of flow equalizing plates (8) arranged above the air inlet branch pipe (5) are coaxially and fixedly connected in the settling bin (3), and the apertures of the flow equalizing plates (8) are gradually reduced from bottom to top;

the upper end of the precipitation bin (3) is fixedly connected with a reaction bin (9), a rotary air pipe (10) communicated with the air inlet bent pipe (4) is coaxially arranged in the reaction bin (9), a plurality of bent pipe spray heads (11) are fixedly connected to the rotary air pipe (10), the rotation directions of the plurality of bent pipe spray heads (11) are consistent, a microelectrolysis filler (12) sleeved on the periphery of the rotary air pipe (10) is coaxially and fixedly connected in the reaction bin (9), and a gap is formed between the microelectrolysis filler (12) and the bent pipe spray heads (11);

the upper end of the reaction bin (9) is fixedly connected with an overflow bin (13), and one side of the overflow bin (13) is provided with a water outlet (14).

2. The microelectrolysis reactor for sewage treatment according to claim 1, wherein the flow equalizing plates (8) are distributed in three layers, the lower end of the flow equalizing plate (8) at the lowest layer is coaxially and fixedly connected with a rotating gear ring (15), a gear shaft (16) rotatably connected with the settling bin (3) is meshed beside the rotating gear ring (15), and the gear shaft (16) is connected with a driving motor (17) fixedly connected to the lower end of the settling bin (3);

the upper end of the lowermost flow equalizing plate (8) is fixedly connected with a fixed shaft (18) sleeved on the outer side of the rotary air pipe (10), the fixed shaft (18) is coaxially and fixedly connected with a primary gear (19) and a secondary gear (20), a primary planet wheel (21) is meshed beside the primary gear (19), and the primary planet wheel (21) is meshed with a primary driving gear ring (22) arranged on the flow equalizing plate (8) in the middle layer;

the other meshing of secondary gear (20) have secondary planet wheel (23), secondary planet wheel (23) with set up in the superiors the second grade drive ring gear (24) on flow equalizing plate (8) mesh mutually, the root radius of second grade drive ring gear (24) be greater than the root radius of one-level drive ring gear (22).

3. The micro-electrolysis reactor for sewage treatment according to claim 2, wherein the reaction bin (9) is internally and fixedly connected with a filter (25) arranged above the uppermost flow equalization plate (8), the filter (25) is in an inverted funnel shape, the filter (25) is provided with a plurality of filtering holes (26), and the outer side of the filter (25) is attached to the micro-electrolysis filler (12).

4. The micro-electrolysis reactor for sewage treatment according to claim 3, wherein the upper end of the rotary air pipe (10) is connected with a high pressure water pump (27) fixedly connected with the upper end of the overflow bin (13), the upper end of the rotary air pipe (10) and the air inlet bent pipe (4) are fixedly connected with electromagnetic valves, and one electromagnetic valve is opened and the other electromagnetic valve is closed.