CN208436449U - Secondary settling tank for sewage treatment - Google Patents

Abstract

The utility model relates to a kind of secondary settling tanks for sewage treatment, belong to wastewater treating technology field, solve the problems, such as that precipitating increases when generating precipitating in catch basin without cleaning draining next time.It includes pond body, and the inner wall top of pond body is equipped with the first catch basin in a ring around pond body, is provided with the cleaning shoe moved in the first catch basin in the first catch basin.It is provided with motor above pool center, motor is connected with pivoted arm, and pivoted arm is connect far from one end of motor with cleaning shoe, and service bridge is provided in pond body.When needing to clear up the sludge that bottom is accumulated in the first catch basin, it drives pivoted arm to drive cleaning shoe rotation is reciprocating to the progress of the first catch basin to scrape mud by the forward and reverse of motor, has the advantages that sludge is scraped to service bridge nearby facilitates staff uniformly to be cleared up.

Description

Secondary settling tank for sewage treatment

Technical field

The utility model relates to wastewater treating technology field more particularly to a kind of secondary settling tanks for sewage treatment.

Background technique

Secondary settling tank is the important component of activated Sludge System, and effect mainly separates sludge, keeps mixed liquor clear Clearly, concentration and returnedactivatedsludge.Secondary settling tank is a kind of structures that suspended matter in water removal is removed using precipitation, work effect Fruit can directly affect the effluent quality and returned sludge concentration of activated Sludge System.

In the prior art, Authorization Notice No. is the Chinese patent of CN206631259U, discloses a kind of secondary settling tank comprising Pond body is equipped with mud-scraping mechanism in pond body, and the inner wall of pond body is equipped with catch basin, and the center position of pond body is equipped with connection water inlet The side wall of the guide shell of pipe, guide shell is equipped with water hole；Water outlet mud guard is equipped in pond body at the position of the catch basin, The top surface for being discharged mud guard is higher than the top surface of the pond body, and the bottom surface for being discharged mud guard is lower than the bottom surface of the catch basin.

Although the utility model, by the way that water outlet baffle plate is arranged, can effectively catching enter it is floating in the sewage in catch basin Slag, but precipitating can be also generated in catch basin, precipitating is not cleared up after draining and is continued to use, precipitating can increase when next time drains It is more, influence the effect that draining is removed contamination.

Utility model content

The purpose of this utility model is to provide a kind of secondary settling tanks for sewage treatment, have and arrange sludge in catch basin Out, the advantages of precipitating in sewage is reduced.

The above-mentioned purpose of the utility model has the technical scheme that

The inner wall top of a kind of secondary settling tank for sewage treatment, including pond body, the pond body is equipped with around the pond body The first catch basin in a ring is provided with the cleaning shoe moved in the first catch basin, the pond body in first catch basin Overcentre is provided with motor, and the motor is connected with pivoted arm, and the one end of the pivoted arm far from motor is connect with the cleaning shoe, Service bridge is provided in the pond body.

Implement above-mentioned technical proposal and passes through motor when needing to clear up the sludge that bottom is accumulated in the first catch basin Forward and reverse driving pivoted arm drives cleaning shoe rotation is reciprocating to the progress of the first catch basin to scrape mud, and it is attached that sludge is scraped service bridge Staff is closely facilitated to carry out unified cleaning.

Further, froth paddle is connected with above the cleaning shoe.

Implement above-mentioned technical proposal, the foam in the first catch basin is scraped service bridge and nearby facilitates work people by froth paddle Member is fished for, and mud scum is prevented to be discharged along with bubble.

Further, the service bridge two sides are provided with groove in described first trench bottom that catchments.

Implement above-mentioned technical proposal, the setting of groove is that allow the sludge that comes of scraper plate scraping to fall into recessed in order to generate difference in height After carrying out same collection in slot, efforts personnel is facilitated to clear up.

Further, the elevator bucket for collecting sludge is provided in the groove.

Implement above-mentioned technical proposal, is provided with elevator bucket and staff is facilitated to clear up sludge extraction.

Further, it is provided with the handle for promoting the elevator bucket on the elevator bucket, is provided on the elevator bucket Multiple apertures for draining.

Implement above-mentioned technical proposal, is provided with handle and staff is facilitated to extract elevator bucket；It is provided with draining aperture, a side Face is on the other hand to reduce the moisture of discharge sludge to drain and mitigate gravity suffered by elevator bucket.

Further, the second catch basin in a ring is equipped with around first catch basin on the pond body outer wall, described the Two catch basins are equipped with water outlet mud guard at the position of first catch basin, offer water outlet in the water outlet mud guard Hole.

Implement above-mentioned technical proposal, the first catch basin, which is filled with, covers water outlet mud guard after discharge sludge, cleaning foam Entered in the second catch basin by apopore, reduces the entrance of precipitating.

Further, strainer is provided in the apopore.

Implement above-mentioned technical proposal, the setting of strainer prevents the entrance of mud scum.

Further, second catch basin is equipped with drainage hole far from the outer wall of first catch basin.

Implement above-mentioned technical proposal, the sewage after precipitation process being collected into the second catch basin is discharged drainage hole It is reprocessed.

In conclusion the utility model has the following beneficial effects:

One, drive pivoted arm that cleaning shoe rotation is driven to carry out reciprocating scrape to the first catch basin by the forward and reverse of motor Mud has the advantages that mud is scraped to service bridge nearby facilitates staff uniformly to be cleared up;

Two, the foam service bridge in the first catch basin is nearby facilitated staff to fish for by froth paddle, prevents from floating Mud is discharged along with bubble, has the advantages that be further reduced in sewage and precipitate；

Three, the setting of elevator bucket is that after carrying out same collection for the sludge that scraper plate scraping comes, have and facilitate work Personnel extract the advantages of toppling over.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is structural schematic diagram of the utility model embodiment for the secondary settling tank of sewage treatment；

Fig. 2 is sectional view of the utility model embodiment for the secondary settling tank of sewage treatment；

Fig. 3 is the portion the A enlarged drawing in Fig. 2；

Fig. 4 is partial structure diagram of the utility model embodiment for the secondary settling tank of sewage treatment；

Fig. 5 is the portion the B enlarged drawing in Fig. 4；

Fig. 6 is the structural schematic diagram of the utility model embodiment elevator bucket.

Appended drawing reference: 1, pond body；2, the first catch basin；3, cleaning shoe；4, motor；5, pivoted arm；6, service bridge；7, foam is scraped Plate；8, groove；9, elevator bucket；10, handle；11, aperture；12, the second catch basin；13, it is discharged mud guard；14, apopore；15, Strainer；16, drainage hole.

Specific embodiment

In the following detailed description, many details are proposed, in order to the comprehensive understanding to the utility model.But It is, it will be apparent to those skilled in the art that the utility model can not need one in these details Implement in the case where a little details.Below the description of embodiment is used for the purpose of providing by showing the example of the utility model The utility model is more fully understood.

Below in conjunction with attached drawing, the technical solution of the utility model embodiment is described.

Such as Fig. 1 and as shown in Fig. 2, a kind of secondary settling tank for sewage treatment, including pond body 1, work is provided in pond body 1 Bridge 6.It is equipped with the first catch basin 2 in a ring around pond body 1 above the inner wall of pond body 1, surround the first catch basin on 1 outer wall of pond body 2 are equipped with the second catch basin 12 in a ring, and the second catch basin 12 is equipped with drainage hole, draining far from the outer wall of the first catch basin 2 Hole is reprocessed by the sewage discharge after precipitation process being collected into the second catch basin 12.1 overcentre of pond body is set It is equipped with motor 4, motor 4 is connected with pivoted arm 5.

In conjunction with Fig. 2 and Fig. 3,6 two sides of service bridge are arranged fluted 8 in 2 bottom of the first catch basin, the second catch basin 12 It is equipped with water outlet mud guard 13 at the position of the first catch basin 2, is offered in water outlet mud guard 13 and is provided with going out for strainer 15 Water hole 14.First catch basin 2, which is filled with to cover water outlet mud guard 13 and enter by being provided with the apopore 14 of strainer 15, second to catchment In slot 12, reduce the entrance of precipitating.

In conjunction with Fig. 4 and Fig. 5, the cleaning shoe 3 moved in the first catch basin 2 is provided in the first catch basin 2, pivoted arm 5 is remote One end from motor 4 is connect with cleaning shoe 3.Froth paddle 7 is connected with above cleaning shoe 3.It is driven by the forward and reverse of motor 4 Turn arm 5 drives cleaning shoe 3 and froth paddle 7 to rotate together.Cleaning shoe 3 the first catch basin 2 carry out it is reciprocating scrape mud, will be dirty Mud scrapes service bridge 6 and staff is nearby facilitated to carry out unified cleaning；Froth paddle 7 scrapes the foam in the first catch basin 2 Service bridge 6 nearby facilitates staff to fish for.

As shown in fig. 6, being provided with the elevator bucket 9 for collecting sludge in groove 8, it is provided with elevator bucket 9 and facilitates work people Member clears up sludge extraction.It is provided with the handle 10 for promoting elevator bucket 9 on elevator bucket 9, staff is facilitated to extract Elevator bucket 9.It is provided with multiple apertures 11 for draining on elevator bucket 9, is on the one hand to draining and mitigates weight suffered by elevator bucket 9 On the other hand power reduces the moisture of discharge sludge.

Specific work process: when needing to clear up the sludge that bottom is accumulated in the first catch basin 2, pass through the rotating forward of motor 4 Be driven reverse pivoted arm 5 drive cleaning shoe 3 rotation to the first catch basin 2 carry out it is reciprocating scrape mud, mud is scraped 6 liang of service bridge In the elevator bucket 9 of side.When the sewage sludge storage in elevator bucket 9 to a certain extent after, staff is mentioned elevator bucket 9 by handle 10 Toppled over out.Meanwhile pivoted arm 5 drives froth paddle 7 to scrape the foam in the first catch basin 2 near service bridge 6 conveniently Staff fishes for, and mud scum is prevented to be discharged with bubble.OettIed sewage passes through water outlet gear mud in the first catch basin 2 The apopore 14 being arranged on plate 13 enters in the second catch basin 12 through filter screen 15, then passes through drainage hole for the second catch basin 12 In be collected into oettIed sewage discharge reprocessed, have the advantages that reduction sewage in precipitate.

Above embodiments are only to illustrate the technical solution of the utility model, rather than carry out to the protection scope of utility model Limitation.Obviously, described embodiment is only the utility model section Example, rather than whole embodiments.Based on these Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the utility model scope of the claimed.

Although the utility model is described in detail referring to above-described embodiment, those of ordinary skill in the art are still Can it is according to circumstances mutual to the feature in various embodiments of the utility model that creative work not be made in the absence of conflict Other adjustment are made in combination, additions and deletions, to obtain different, essence without departing from the other technologies side of the design of the utility model Case, these technical solutions similarly belong to the utility model scope of the claimed.

Claims (8)

1. a kind of secondary settling tank for sewage treatment, including pond body (1), the inner wall top of the pond body (1) is around the pond body (1) it is equipped with the first catch basin (2) in a ring, which is characterized in that be provided in first catch basin (2) in the first catch basin (2) cleaning shoe (3) moved in, pond body (1) overcentre are provided with motor (4), and the motor (4) is connected with pivoted arm (5), the pivoted arm (5) connect far from the one end of motor (4) with the cleaning shoe (3), is provided with service bridge on the pond body (1) (6)。

2. the secondary settling tank according to claim 1 for sewage treatment, which is characterized in that connect above the cleaning shoe (3) It is connected to froth paddle (7).

3. the secondary settling tank according to claim 1 for sewage treatment, which is characterized in that service bridge (6) two sides exist Fluted (8) are arranged in first catch basin (2) bottom.

4. the secondary settling tank according to claim 3 for sewage treatment, which is characterized in that be provided in the groove (8) For collecting the elevator bucket (9) of sludge.

5. the secondary settling tank according to claim 4 for sewage treatment, which is characterized in that be arranged on the elevator bucket (9) There is the handle (10) for promoting the elevator bucket (9), multiple apertures for draining are provided on the elevator bucket (9) (11)。

6. the secondary settling tank according to claim 1 for sewage treatment, which is characterized in that ring on pond body (1) outer wall It is equipped with the second catch basin (12) in a ring around first catch basin (2), second catch basin (12) is close to described first It is equipped with water outlet mud guard (13) at the position of catch basin (2), offers apopore (14) in the water outlet mud guard (13).

7. the secondary settling tank according to claim 6 for sewage treatment, which is characterized in that setting in the apopore (14) There are strainer (15).

8. the secondary settling tank according to claim 6 for sewage treatment, which is characterized in that second catch basin (12) Outer wall far from first catch basin (2) is equipped with drainage hole (16).