CN205933384U - Return sludge formula sewage treatment plant - Google Patents
Return sludge formula sewage treatment plant Download PDFInfo
- Publication number
- CN205933384U CN205933384U CN201620939389.0U CN201620939389U CN205933384U CN 205933384 U CN205933384 U CN 205933384U CN 201620939389 U CN201620939389 U CN 201620939389U CN 205933384 U CN205933384 U CN 205933384U
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- Prior art keywords
- tank body
- sludge
- treatment plant
- outer tank
- inner tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model discloses a return sludge formula sewage treatment plant. It is mainly solved current sewage treatment plant and has aeration inefficiency, the activated sludge problem untimely and that reuse rate is low of discharging. Its include one outer jar of body with one set up outer jar of internal portion, be fusiform inner tank body, be equipped with the water conservancy diversion passageway between inner tank body lower part and the outer jar of body, be equipped with wide narrow settling zone down between its upper portion and the outer jar of body, a drain pipe is linked together with the settling zone, an inlet tube is linked together with the top import that the inner tank was personally experienced sth. Part of the body, has filler and activated sludge in the inside packing that the inner tank was personally experienced sth. Part of the body, characteristics are: be equipped with an aeration dish in the bottom of the inner tank body, this aeration dish is linked together at an outer jar of fan of external with setting up through a breather pipe, a jar internal bottom is equipped with a sludge pump outside, and this sludge pump is linked together by a blow off pipe and inlet tube. The utility model discloses an aeration is efficient, and the water conservancy diversion passageway can not produce the jam, and activated sludge discharges in time, but and cyclic utilization.
Description
Technical field
The utility model is related to the biological treatment device of sewage, especially a kind of sludge return type sewage-treatment plant.
Background technology
Sewage disposal is for the water quality requirement making sewage reach a certain standard of draining or to reuse, it to be purified
Process.At present, sewage disposal can be divided into Physical, bioanalysis and three kinds of chemical method according to its action principle, wherein, using micro- life
The organic matter in sewage being in dissolving or colloidal state can be decomposed and be oxidized to stable nothing by the bioanalysis of thing metabolic function
Machine material, it is extensively applied.
For example, disclose one kind in the Chinese utility model patent specification of Publication No. CN201136820Y " double
Weight biochemical process sewage-treatment plant ", it includes fiberglass tank body, and this fiberglass tank body has shell and spindle inner bag, wherein,
Connect water decanter on the upper edge of shell, this water decanter connects drainpipe, is provided with flow guiding slit, outside between inner bag bottom and shell
There is between shell and inner bag settling zone, settling zone bottom is mud area, equipped with filler and activated sludge in inner bag, on inner bag top
Portion connects aerator and water inlet pipe respectively.Its sewage flows in the inner bag of fiberglass tank body through water inlet pipe, in the aeration of aerator
Under effect, there is biochemical reaction with sewage in the filler in inner bag and activated sludge, it is heavy that the suspension that it produces flows into through flow guiding slit
Shallow lake area, after precipitation, supernatant is discharged through drainpipe, and the mud in mud area needs periodically to extract out.But, in above-mentioned patent document
In, its aerator is arranged on inner bag top, and aerator is difficult to promote the water body flow of inner bag bottom, and is difficult to be dispersed in gas
In the water body of inner bag bottom, its aeration efficiency is low；The activated sludge being deposited on lower floor of mud area easily blocks flow-guiding channel, then
Accumulate in tank base, the activated sludge of these accumulations can not be discharged in time and be reused.
Content of the invention
In order to overcome existing sewage-treatment plant to exist, aeration efficiency is low, activated sludge is discharged not in time and repetition is sharp
With the low deficiency of rate, the utility model offer one kind is reasonable in design, aeration efficiency high, activated sludge discharge timely, recycling
The high sludge return type sewage-treatment plant of rate.
The utility model solves its technical problem and be employed technical scheme comprise that：A kind of sludge return type sewage disposal dress
Put, it includes an outer tank body and a fusiform interior tank body, described interior tank body is arranged on the inside of outer tank body, the top of interior tank body
Portion is provided with import, and its bottom is provided with outlet, is provided with flow-guiding channel between its underpart and outer tank body, sets between its top and outer tank body
There is settling zone wide at the top and narrow at the bottom, a drainpipe is connected with settling zone, a water inlet pipe is connected with the import at interior tank body top,
Described outer tank body top is provided with a upper lid coordinating with it, is filled with filler in the inside of described interior tank body and activity is dirty
Mud it is characterised in that：It is provided with an aeration plate in the bottom of described interior tank body, this aeration plate is arranged outside through a breather pipe and one
Blower fan outside tank body is connected；Bottom in described outer tank body is provided with a sludge pump, this sludge pump through a discharge pipeline with
Described water inlet pipe is connected.
Described aeration plate is arranged on the bottom middle part of described interior tank body.
Cover on described and offer observation window.
Described drainpipe is provided with water decanter.
The utility model include an outer tank body and be arranged within outer tank body, be in fusiform interior tank body, interior tank body
Top be provided with import, its bottom is provided with outlet, is provided with flow-guiding channel between its underpart and outer tank body, its top and outer tank body it
Between be provided with settling zone wide at the top and narrow at the bottom, a drainpipe is connected with settling zone, and a water inlet pipe is connected with the import at interior tank body top
Logical, it is filled with filler and activated sludge in the inside of interior tank body, it is reasonable in design；It is provided with an aeration plate in the bottom of interior tank body,
This aeration plate is connected with the blower fan being arranged on outside outer tank body through a breather pipe, and the bottom that aeration plate is arranged on interior tank body is easy to
In promotion the water body of tank body lower part interior tank interior formed directed flow, simultaneously by gas uniformly dispersing interior tank body water body
In, its aeration efficiency high；Bottom in outer tank body is provided with a sludge pump, and this sludge pump is connected with water inlet pipe by a blow-off pipe
Logical, the activated sludge of outer tank body bottom, flow-guiding channel, settling zone bottom is pumped into water inlet pipe by sludge pump successively, and flow-guiding channel is not
Blocking can be produced, activated sludge is discharged in time and recycled, its activated sludge utilization rate is high.
Brief description
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of the present utility model.
In figure marks：1. outer tank body, 2. in tank body, 201. imports, 202. outlet, 3. flow-guiding channel, 4. settling zone, 5. row
Water pipe, 6. water inlet pipe, 7. water decanter, 8. on cover, 801. observation windows, 9. filler, 10. activated sludge, 11. aeration plates, 12. ventilation
Pipe, 13. blower fans, 14. sludge pumps, 15. discharge pipelines.
Specific embodiment
As shown in figure 1, a kind of sludge return type sewage-treatment plant, it includes an outer tank body 1 and a fusiform inner canister
Body 2.Corrosivity in view of sewage is stronger, and in the present embodiment, outer tank body 1 is all strong using resistance to corrosion with interior tank body 2
Glass-reinforced plastic material is made.
In FIG, interior tank body 2 is fixed on the inside of outer tank body 1, and the top of interior tank body 2 offers import 201, its bottom
Offer outlet 202, between its underpart and outer tank body 1, be provided with flow-guiding channel 3.Flow-guiding channel 3 connects the inside and outside of interior tank body 2, is
Save material, simplify manufacturing process, in the present embodiment, this flow-guiding channel 3 is stayed by between the bottom of interior tank body 2 and outer tank body 1
Some gaps are formed.
As shown in figure 1, being provided with settling zone 4 wide at the top and narrow at the bottom between the top of interior tank body 2 and outer tank body 1, suspension is through leading
Circulation road 3 flows upwardly into settling zone 4.Because settling zone 4 is wide at the top and narrow at the bottom, the flow velocity of suspension is in settling zone 4 from bottom to top gradually
Reduce, the particulate in suspension sinks to settling zone 4 lower floor, and supernatant flows to settling zone 4 upper strata.
In FIG, water inlet pipe 6 is passed outer tank body 1 and is connected with the import 201 at interior tank body 2 top, and sewage is by water inlet pipe 6
In tank body 2 in inflow.
In FIG, drainpipe 5 is passed outer tank body 1 and is connected with settling zone 4, and supernatant flows out outer tank body 1 through drainpipe 5；
For preventing agitation precipitation, guaranteeing effluent quality, as shown in figure 1, equipped with water decanter 7 on drainpipe 5.
In FIG, for increase seal of the present utility model, prevent smell escape, outer tank body 1 top be provided with one and its
The upper lid 8 of cooperation, on this, lid 8 and outer tank body 1 surround a confined space.
As shown in figure 1, for ease of the inner workings observing tank body, upper lid 8 offers observation window 801.
In FIG, the inside in interior tank body 2 is filled with filler 9 and activated sludge 10.Wherein, filler 9 can be used as attachment
Base, provides growth attachment point for microorganism, makes microorganism form biomembrane；Sewage filter can be dissipated by activated sludge 10, makes microorganism
Fully and waste water, increase the decomposition efficiency of microorganism.
In FIG, the bottom in interior tank body 2 is provided with an aeration plate 11, and this aeration plate 11 is through a breather pipe 12 and a setting
Blower fan 13 outside in outer tank body 1 is connected.Air is blasted one end of breather pipe 12 by blower fan 13, and air is another in breather pipe 12
Uniformly shed on the aeration plate 11 at end, provide necessary oxygen for the microorganism on filler 9, activated sludge 10, to improve micro- life
The decomposition efficiency of thing.
It should be noted that as shown in figure 1, aeration plate 11 is arranged on interior tank body 2 bottom centre, being shed by aeration plate 11
Air floats and drives the water body on its top to flow up, and then forms direction stream in interior tank body 2, by including gas uniformly dispersing
In the water body of tank body 2, its aeration efficiency high.
In FIG, the bottom in outer tank body 1 is provided with a sludge pump 14, and this sludge pump 14 is through a discharge pipeline 15 and water inlet
Pipe 6 is connected.As shown in figure 1, sludge pump 14 successively by outer tank body 1 bottom, flow-guiding channel 3, settling zone 4 bottom activated sludge
10 pump into water inlet pipe 6 by discharge pipeline 15, and activated sludge 10 is again introduced into interior tank body 2 with sewage.Sludge pump 14 is in cleaning outer chamber
Bottom, while avoid activated sludge 10 blocking, realize activated sludge 10 and recycle in time, activated sludge 10 utilization rate is high,
Reduce the operating cost of apparatus for treating sewage.
Claims (4)
1. a kind of sludge return type sewage-treatment plant, it includes an outer tank body and a fusiform interior tank body, described inner canister
Body is arranged on the inside of outer tank body, and the top of interior tank body is provided with import, and its bottom is provided with outlet, sets between its underpart and outer tank body
There is flow-guiding channel, between its top and outer tank body, be provided with settling zone wide at the top and narrow at the bottom, a drainpipe is connected with settling zone, and one enters
Water pipe is connected with the import at interior tank body top, is provided with a upper lid coordinating with it at described outer tank body top, described
The inside of interior tank body be filled with filler and activated sludge it is characterised in that：It is provided with an aeration plate in the bottom of described interior tank body,
The blower fan that this aeration plate is arranged on one through a breather pipe outside outer tank body is connected；Bottom in described outer tank body is provided with
One sludge pump, this sludge pump is connected with described water inlet pipe through a discharge pipeline.
2. a kind of sludge return type sewage-treatment plant according to claim 1 it is characterised in that：Described aeration plate sets
Put the bottom middle part in described interior tank body.
3. a kind of sludge return type sewage-treatment plant according to claim 1 it is characterised in that：Cover out on described
It is provided with observation window.
4. a kind of sludge return type sewage-treatment plant according to claim 1 it is characterised in that：On described drainpipe
It is provided with water decanter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620939389.0U CN205933384U (en) | 2016-08-25 | 2016-08-25 | Return sludge formula sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620939389.0U CN205933384U (en) | 2016-08-25 | 2016-08-25 | Return sludge formula sewage treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205933384U true CN205933384U (en) | 2017-02-08 |
Family
ID=57951990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620939389.0U Active CN205933384U (en) | 2016-08-25 | 2016-08-25 | Return sludge formula sewage treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205933384U (en) |
-
2016
- 2016-08-25 CN CN201620939389.0U patent/CN205933384U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |