CN216038773U - Scum extraction structure of sewage reactor - Google Patents

Abstract

The utility model discloses a scum extraction structure of a sewage reactor, belonging to the field of sewage treatment equipment. First doctor-bar can carry out the propelling movement to the dross when the dwang rotates, makes the dross get into the regional quilt that the baffle encloses under the effect of buoyancy and is collected, and the final dross pipe department of following is discharged, effectively reduces the liquid total amount that the dross carried when being discharged.

Description

Scum extraction structure of sewage reactor

Technical Field

The utility model relates to the field of sewage treatment equipment, in particular to a scum extraction structure of a sewage reactor.

Background

Water is a life source, is a basic substance on which human beings rely to live, and is covered by water in parts of the earth, but the fresh water resources which can be really utilized by human beings are very few. With the rapid development of social economy, the water demand is increased rapidly, and in addition to the waste of water and the pollution of water resources, the lag of sewage treatment facilities and the control of non-point source pollution are insufficient, so that the fresh water resources face two problems of water environmental pollution and water resource shortage. This is increasingly and increasingly more prevalent in some countries and regions, especially in developing countries and regions.

Compared with the shortage of water resources, the method is more urgent to the problem of water resource pollution. The clean water source is one of the basic elements for human survival and social sustainable development, and the problem that natural water resources are polluted by various organic matters is getting worse due to the rapid increase of the discharge amount of waste water caused by the development of human activities and industrial production. Especially wastewater discharged by chemical, pesticide, dye, medicine, food and other industries, has high concentration, large chroma, strong toxicity and complex components, contains a large amount of components which are difficult to be biologically degraded, and brings serious water pollution to the world. Therefore, the treatment, purification and reuse of sewage become important, and if the problem of water resource pollution can be solved well, the shortage of water resources can be relieved to a great extent.

In sewage treatment, the electrochemical flocculation method is also called as edt method, that is, a soluble electrode (generally an iron electrode or an aluminum electrode) is used as a positive electrode and dissolved in sewage under the action of current to generate hydroxide precipitates of metal ions, and colloidal substances and pollutants in water are aggregated by using the hydroxide precipitates, so that the purpose of purifying water quality is achieved. The electric coagulation technology relates to the reaction of water pollutant with strong electric field and the oxidation and reduction reaction produced electrochemically, and this can eliminate heavy metal cation and kill microbe in water while depositing charged colloid matter and eliminating other ions, colloid and emulsion obviously. The electric flocculation technology can effectively remove pollutants in water, which is proved by practice, and the electric flocculation technology can be applied to various industrial wastewater treatments, in agriculture and rural areas with importance on quality of life, and can be applied to removal of pathogens, heavy metals and pollutants of cleaning water in food production in drinking water.

Sewage can form floc and gas after the circular telegram, and the floc that the proportion is great can downward precipitate, and the specific gravity is less can float on the liquid level with the floc that carries the bubble, and the liquid impurity of mid portion is less, can obtain the clear water of processing completion after taking out the liquid of mid portion. Scum floating on the liquid level is not easy to discharge in the sewage treatment process, if the scum is directly discharged by adopting a pipeline, a large amount of liquid is required to carry the scum, and the scum is flushed out, so that the total amount of clean water discharged after purification is indirectly reduced, and the sewage treatment efficiency is indirectly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a scum extraction structure of a sewage reactor, which has the advantage of assisting scum discharge.

In order to achieve the purpose, the utility model adopts the technical scheme that: a scum extraction structure of a sewage reactor comprises an outer barrel and an inner container, wherein a sewage inlet pipe is communicated with the outer barrel, and an end cover for sealing a port is arranged at an upper port of the outer barrel;

the inner container is arranged in the outer barrel, the inner container is provided with a scum outlet pipe, a sedimentation outlet pipe and a water outlet pipe in a communicating manner, the upper half part of the inner container is provided with a partition plate which divides the inner container into two areas, the partition plate is provided with a scum inlet, the communicating part of the scum outlet pipe and the inner container is positioned above the partition plate and is close to the partition plate, the end cover is provided with a motor, the rotating shaft end of the motor is in transmission connection with a rotating rod, the rotating rod penetrates through the end cover, the top wall of the inner container and the partition plate and is coaxially arranged with the inner container, the partition plate and the rotating rod are connected through a sealing bearing, the rotating rod is provided with a first scraping blade for pushing scum into the scum inlet, the water outlet pipe is connected with the middle part of the inner container, and the connecting part of the sedimentation outlet pipe and the inner container is close to the bottom of the inner container;

the scum outlet pipe, the sediment outlet pipe and the water outlet pipe penetrate through the side wall of the outer barrel and are fixedly connected with the outer barrel, a water inlet piece used for conveying water in the outer barrel into the inner barrel is further arranged on the inner container, a plurality of first electrodes are arranged on the outer side wall of the inner container, and second electrodes which are matched with the first electrodes respectively are arranged on the inner side of the outer barrel.

Preferably, the partition board is arranged in a Z shape in the vertical direction, the scum inlet is positioned on the vertical wall, and the lowest end of the scum inlet is higher than the communicating part of the scum outlet pipe and the inner container.

Preferably, the rotating rod is further connected with a driven rod, and the other end of the driven rod is provided with a second scraping blade used for pushing the scum to a communicating part of the scum outlet pipe and the inner container.

Preferably, the cover is equipped with first sleeve on the dwang, first sleeve is located the top of baffle and first telescopic diapire and baffle fixed connection, first telescopic top is passed through sealed bearing and is connected with the dwang, first telescopic top is higher than the inner bag and goes out the junction setting of dross pipe.

Preferably, the dwang runs through the inner bag setting, be connected through sealed bearing between the diapire of dwang and inner bag, the tip that the dwang is located the inner bag below is provided with crushing sword.

Preferably, the crushing knife is arranged in an isosceles triangle shape, and the joint of the crushing knife and the rotating rod is the central point of the triangle.

Preferably, the communication position of the sewage inlet pipe and the outer cylinder is positioned right below the crushing knife.

Preferably, a stirring piece is arranged on the rotating rod and is positioned below the inner container.

Preferably, the cover is equipped with the second sleeve on the dwang, the telescopic diapire of second and the interior diapire fixed connection of inner bag, the telescopic top of second is connected with the dwang through sealed bearing, the telescopic top of second is higher than the inner bag and goes out the junction setting of sedimentation tube.

Compared with the prior art, the utility model has the advantages that:

firstly, the content of clear water discharged along with scum is effectively reduced;

the floating slag and the clean water can be separated in time by the partition plate, so that the interference of the floating slag on the taking out of the clean water is reduced;

thirdly, the first scraping blade can effectively assist the scum to reach the upper part of the partition plate;

fourthly, the second scraping blade can effectively push the scum to the scum outlet pipe;

fifthly, the arrangement of the crushing knife can effectively reduce the possibility that the scum outlet pipe and the sediment outlet pipe are blocked;

and sixthly, the arrangement of the stirring piece can effectively reduce the deposit in the outer cylinder.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the internal structure of the present embodiment;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

FIG. 4 is a schematic cross-sectional view illustrating the structure of the present embodiment;

fig. 5 is a schematic structural view of the inner container of the present embodiment.

In the figure: 1. an outer cylinder; 11. a sewage inlet pipe; 12. a second electrode; 2. an inner container; 21. discharging the scum pipe; 22. a water outlet pipe; 23. discharging the sediment pipe; 24. a first electrode; 3. an end cap; 4. a partition plate; 41. a scum inlet; 5. a motor; 51. rotating the rod; 511. a first blade; 512. a driven lever; 513. a second wiper blade; 52. a first sleeve; 53. a crushing knife; 54. a stirring member; 55. a second sleeve; 6. and a water inlet part.

Detailed Description

The present invention will be further explained below.

Example (b):

as shown in fig. 1 and 2, a scum extraction structure of a sewage reactor comprises an outer cylinder 1 and an inner container 2, wherein a sewage inlet pipe 11 is communicated with the outer cylinder 1, and an end cover 3 is arranged at an upper port of the outer cylinder 1.

Inner bag 2 sets up in urceolus 1, and the intercommunication is provided with out scum pipe 21 on the inner bag 2, go out sedimentation tube 23 and outlet pipe 22, go out scum pipe 21, under the supporting role of going out sedimentation tube 23 and outlet pipe 22, the unsettled setting of inner bag 2 is in urceolus 1, inner bag 2 and the coaxial setting of urceolus 1 in this embodiment, inner bag 2's effect mainly provides the region of stewing for the water after the electricity flocculation in this embodiment, make clear water clear with impurity and dross layering clear, make things convenient for taking out of clear water.

As shown in fig. 2 and 5, in the present embodiment, the whole electrocoagulation process is completed in the outer cylinder 1, the outer side wall of the inner container 2 is provided with a plurality of first electrodes 24, the outer cylinder 1 is further provided with a plurality of second electrodes 12 paired with the first electrodes 24, in the present embodiment, the number of the first electrodes 24 and the number of the second electrodes 12 are both six, in other embodiments, the number of the first electrodes 24 and the number of the second electrodes 12 can be adjusted according to actual requirements, in order to facilitate the positioning of the position of the first electrodes 24, the cross section of the inner container 2 is a regular hexagon, and the first electrodes 24 are located at the edge of the inner container 2. After sewage accomplished the electric flocculation in urceolus 1, carry into inner bag 2 by the water of intaking 6 in with urceolus 1 and subside, intaking 6 wholly for the setting of Z type in this embodiment, total length is the same basically with the total height of inner bag 2, the end of intaking 6 sets up near the top of inner bag 2, the bottom that the play water end is close to inner bag 2 sets up, and be located out 23 orificial tops of sedimentation tube, in order to avoid the impurity of counterplugging sediment play, disturb the discharge of impurity.

As shown in fig. 2, 3 and 4, in order to achieve the purpose of collecting and discharging scum in a partitioned manner, a partition plate 4 which divides the interior of the inner container 2 into two areas is arranged at the upper half part of the inner container 2, a temporary scum area enclosed by the partition plate 4 is arranged above the partition plate 4, and a scum inlet 41 is arranged on the partition plate 4. In this embodiment the partition 4 is Z-shaped in cross-section in the vertical direction, and the dross inlets 41 are located in the vertical wall and near the top of the partition 4. The lowest end of the scum inlet 41 is higher than the highest end of the communicating part of the scum outlet pipe 21 and the inner container 2, so that scum can be stored above the partition plate 4 and cannot flow back into the area surrounded by the partition plate 4 in the discharging process.

In order to assist the scum to flow to the scum inlet 41, the end cover 3 is provided with the motor 5, the rotating shaft end of the motor 5 is in transmission connection with the rotating rod 51, the rotating rod 51 penetrates through the end cover 3, the top wall of the inner container 2 and the partition plate 4 and is coaxially arranged with the inner container 2, the partition plate 4 is connected with the rotating rod 51 through a sealing bearing, and the rotating rod 51 is provided with a first scraping blade 511 used for pushing the scum into the scum inlet 41. When the rotating rod 51 is driven by the motor 5 to rotate, the first scraper 511 drives the scum to move, so that the scum is gathered in a cavity formed between the higher bottom wall of the partition plate 4 and the liquid level, the scum finally rises to the scum inlet 41 under continuous accumulation, when the scum reaches the scum inlet 41, the scum passes through the scum inlet 41 to reach the upper part of the partition plate 4 under the action of the buoyancy force to be separated from the liquid, and along with continuous generation of the scum, the scum on the partition plate 4 is finally discharged from the scum outlet pipe 21 under the action of mutual pushing. Here, the effect of the seal bearing is to prevent floating slag and liquid from upwelling or leaking from the gap between the rotating rod 51 and the partition plate 4, and simultaneously, the seal bearing has a limiting effect on the rotating rod 51, and prevents the rotating rod 51 from deforming when rotating.

In order to prevent that the dross on the baffle 4 from leaking down from the clearance between dwang 51 and baffle 4, prevent simultaneously when dwang 51 rotates, the dross follows the dwang 51 motion, concentrate on around the dwang 51, lead to the dross can not be smooth from going out dross pipe 21 and discharging, the cover is equipped with first sleeve 52 on the dwang 51, first sleeve 52 is located the top of baffle 4 and the diapire and the baffle 4 fixed connection of first sleeve 52, sealed bearing is passed through on the top of first sleeve 52 and is connected with dwang 51, the top of first sleeve 52 is higher than inner bag 2 and the junction setting of going out dross pipe 21, effectual reduction dross and the contact between dwang 51, make the dross can be stood and finally discharged. In order to assist the discharge of dross, still be connected with the driven lever 512 on the dwang 51, the other end of driven lever 512 is provided with second doctor-bar 513, in the dwang 51 pivoted in-process, second doctor-bar 513 promotes the dross and removes, it is obvious thicker to be located the dross that second doctor-bar 513 promoted the side, partial dross can remove to inner bag 2 edge under the effect of pushing force this moment, increase the thickness of the dross of edge, also can be faster when the dross is promoted to the play dross pipe 21 mouth of pipe position and is discharged.

There often exist some great impurities in the middle of the sewage that lets in urceolus 1, probably make into water piece 6, go out scum pipe 21 and go out sedimentation tube 23 and be blockked up at the processing procedure, consequently dwang 51 runs through the inner bag 2 setting, is connected through sealed bearing between dwang 51 and the diapire of inner bag 2 to prevent that untreated sewage from getting into in the middle of the inner bag 2. The end part of the rotating rod 51, which is positioned below the inner container 2, is provided with a crushing knife 53, the communicating part of the sewage inlet pipe 11 and the outer cylinder 1 is positioned right below the crushing knife 53, and the distance between the sewage inlet pipe and the crushing knife 53 is 5-10 cm, so that impurities can be crushed by the crushing knife 53 in time after sewage enters the outer cylinder 1. In the embodiment, the connection part of the crushing blade 53 and the rotating rod 51 is the central point of the isosceles triangle (the arrangement is that the crushing blade can crush sewage impurities and form stable vortex water flow), and the optimal shape is obtained after a plurality of tests, and in other embodiments, the crushing blade 53 with other shapes can be selected.

When sewage is treated in the outer cylinder 1, partial sediment can be directly settled in the outer cylinder 1, more and more sediment can be accumulated in the outer cylinder 1 after a long time, and the sediment is not easy to discharge, so that the subsequent sewage treatment process is influenced. In order to enable the treated sewage, sediment and scum to enter the inner container 2 to the maximum, the rotating rod 51 is provided with the stirring piece 54, the stirring piece 54 is positioned below the inner container 2, the stirring piece 54 drives the sewage to move in the rotating process and forms a vortex by taking the inner container 2 as the center, the sediment and the scum move upwards in the vortex, and finally the sediment and the scum enter the inner container 2 along with the water inlet piece 6 to be settled, so that the deposit in the outer barrel 1 is effectively reduced. In the present embodiment, the stirring member 54 is composed of three T-shaped stirring rods, and is uniformly welded to the rotating rod 51 in the circumferential direction, and in other embodiments, other shapes of stirring blades may be selected.

Although impurity is too big and the problem of deposit in the urceolus 1 has been solved in dwang 51's extension, the rotation of dwang 51 in the inner bag 2 also can make the sediment concentrate to dwang 51 department, revolute the dwang 51 motion, can't carry out better deposit and discharge, consequently, the cover is equipped with second sleeve 55 on the dwang 51, the diapire of second sleeve 55 and the interior diapire fixed connection of inner bag 2, sealed bearing is passed through with dwang 51 on the top of second sleeve 55, the top of second sleeve 55 is higher than the junction setting of inner bag 2 and play sedimentation tube 23, the top of second sleeve 55 can be located the middle part position of inner bag 2 in this embodiment, in order to ensure that the sediment can not contact with dwang 51, make the sediment can the settlement of standing, reduce the interference of taking out the cause to the clear water, the final sediment is discharged from the play sedimentation tube 23 department with inner bag 2 bottom intercommunication.

The working process is as follows:

firstly, sewage is led into the outer barrel 1 from the sewage inlet pipe 11, impurities carried in the sewage are smashed by the smashing knife 53, then the sewage reaches a position between the first electrode 24 and the second electrode 12 for treatment, sediment and floating slag generated by carrying the sewage after electric flocculation are conveyed into the inner container 2 by the water inlet piece 6 for sedimentation, the sediment in the inner container 2 sinks, the floating slag floats upwards, and water in the middle area is treated clean water and is discharged by the water outlet pipe 22. The floating dross is pushed upward above the partition plate 4 by the first wiper 511, and is discharged out of the dross discharge pipe 21 by the second wiper 513. The whole scum discharging process can effectively reduce the discharge of liquid, reduce the consumption of the liquid for completing purification and indirectly improve the sewage treatment efficiency.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; while the utility model has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (9)

1. The scum extraction structure of the sewage reactor is characterized by comprising an outer cylinder (1) and an inner container (2), wherein a sewage inlet pipe (11) is communicated with the outer cylinder (1), and an end cover (3) for sealing an end port is arranged at an upper end port of the outer cylinder (1);

the inner container (2) is arranged in the outer barrel (1), the inner container (2) is communicated with and provided with a scum pipe (21), a sedimentation pipe (23) and a water outlet pipe (22), the upper half part of the inner container (2) is provided with a partition plate (4) which divides the inner container (2) into two areas, a scum inlet (41) is formed in the partition plate (4), the communication position of the scum pipe (21) and the inner container (2) is positioned above the partition plate (4) and is close to the partition plate (4), a motor (5) is arranged on the end cover (3), a rotating shaft end of the motor (5) is in transmission connection with a rotating rod (51), the rotating rod (51) penetrates through the end cover (3), the top wall of the inner container (2) and the partition plate (4) and is coaxially arranged with the inner container (2), the partition plate (4) and the rotating rod (51) are connected through a sealing bearing, and a first scraping piece (511) for pushing scum into the scum inlet (41) is arranged on the rotating rod (51), the water outlet pipe (22) is connected with the middle part of the inner container (2), and the joint of the sedimentation outlet pipe (23) and the inner container (2) is arranged close to the bottom of the inner container (2);

go out scum pipe (21), go out sedimentation tube (23) and outlet pipe (22) and run through lateral wall and urceolus (1) fixed connection of urceolus (1), still be provided with on inner bag (2) and be used for carrying into water inlet spare (6) of inner bag (2) with the water in urceolus (1), the lateral wall of inner bag (2) is provided with a plurality of first electrodes (24), and the inboard of urceolus (1) is provided with second electrode (12) that pair with every first electrode (24) respectively.

2. A scum extraction structure according to claim 1, wherein the partition (4) has a Z-shaped cross-section in the vertical direction, the scum inlet (41) is located on the vertical wall, and the lowest end of the scum inlet (41) is higher than the connection between the scum pipe (21) and the inner container (2).

3. A scum extraction structure of a sewage reactor according to claim 1, wherein a driven rod (512) is further connected to the rotating rod (51), and a second wiper (513) for pushing scum out of the scum pipe (21) and the inner container (2) is arranged at the other end of the driven rod (512).

4. A scum extraction structure of a sewage reactor according to claim 1, wherein the rotating rod (51) is sleeved with a first sleeve (52), the first sleeve (52) is located above the partition plate (4), the bottom wall of the first sleeve (52) is fixedly connected with the partition plate (4), the top end of the first sleeve (52) is connected with the rotating rod (51) through a sealing bearing, and the top end of the first sleeve (52) is higher than the joint of the inner container (2) and the scum outlet pipe (21).

5. The scum extraction structure of a sewage reactor according to claim 1, wherein the rotating rod (51) is arranged to penetrate through the inner container (2), the rotating rod (51) is connected with the bottom wall of the inner container (2) through a sealed bearing, and the end of the rotating rod (51) below the inner container (2) is provided with a crushing knife (53).

6. A sewage reactor scum extraction structure as claimed in claim 5, wherein the shredding knife (53) is arranged in the shape of an isosceles triangle, the connection to the turning rod (51) being the central point of the triangle.

7. The scum extraction structure of a sewage reactor according to claim 5, wherein the connection between the sewage inlet pipe (11) and the outer cylinder (1) is located directly below the crushing blades (53).

8. A sewage reactor scum extraction structure according to claim 5, wherein the turning rod (51) is provided with a stirring member (54), said stirring member (54) being located below the inner container (2).

9. A dross extraction structure of a sewage reactor according to claim 4, wherein the rotating rod (51) is sleeved with a second sleeve (55), a bottom wall of the second sleeve (55) is fixedly connected with an inner bottom wall of the inner container (2), a top end of the second sleeve (55) is connected with the rotating rod (51) through a sealing bearing, and a top end of the second sleeve (55) is higher than a joint of the inner container (2) and the precipitation tube (23).

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