CN209292065U - A kind of second level aeration biological filter device - Google Patents
A kind of second level aeration biological filter device Download PDFInfo
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- CN209292065U CN209292065U CN201822226964.4U CN201822226964U CN209292065U CN 209292065 U CN209292065 U CN 209292065U CN 201822226964 U CN201822226964 U CN 201822226964U CN 209292065 U CN209292065 U CN 209292065U
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- aeration tank
- aeration
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- filter
- filter device
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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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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a kind of second level aeration biological filter device, including the first aeration tank and the second aeration tank, first aeration tank is connected to realize sewage classification aeration purification with second aeration tank；The pond body of first aeration tank and the two stage biological aeration tank is all made of the pond body that steel plate is made and first aeration tank and the second level are aerated and is connected as one.Above-mentioned second level aeration biological filter device is made of steel plate, avoids the cooling process of concreting, shortens construction period, easy to install and use, and can be according to the gauge size of sewage treatment Demand Design second level aeration biological filter device.
Description
Technical field
The utility model relates to technical field of sewage, in particular to a kind of second level aeration biological filter device.
Background technique
Biological aerated filter (BAF) is the new process for the waste water aerobic biological treatment that developed recently gets up.It compares
Traditional activated sludge process, biological aerated filter has processing capacity strong, high treating effect, is influenced that small, impact resistance is negative by temperature
Lotus, be not required to two it is heavy, process flow is simple and Bacterial community is reasonable the advantages that.There are many BAF technology types and mode of operation, each to have
Feature, but the basic principle is that it is consistent.The principle of biological aerated filter sewage treatment is institute's attaching organism on filler in reactor
The absorption detention effect of microbiological oxidation decomposition in film, filler and biomembrane and the food chain classification formed along water (flow) direction
The denitrification of microenvironment and anaerobism section inside predation and biomembrane.To meet sewage treatment demand, aeration and biological
Filter tank, which is typically larger than, is equal to two-stage, and existing biological aerated filter its pond body is usually formed by concreting, there is construction
Period is long, and the biological aerated filter of construction cost height and small water is difficult to the problems such as constructing.
Therefore, how a kind of aeration biological filter device is provided, construction period and construction cost are reduced, it is dirty to meet small flow
Water process demand becomes those skilled in the art's technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of second level aeration biological filter device of equipment, the device construction periods
It is short, install and use it is at low cost, and can according to the sewage treatment demand of small water carry out flexible processing manufacture.
To achieve the above object, the utility model provides a kind of second level aeration biological filter device, including the first aeration tank
With the second aeration tank, first aeration tank is connected to realize sewage classification aeration purification with second aeration tank；
The pond body of first aeration tank and second aeration tank be all made of steel plate be made and first aeration tank and
The pond body of the second level aeration is connected as one.
Preferably, first aeration tank and second aeration tank are welded as a whole, and first aeration tank is higher than
Second aeration tank is to realize that water flow flows to second aeration tank from first aeration tank.
Preferably, first aeration tank and second aeration tank include the filter plate for being set to its pool bottom, are located at
It filter material layer above the filter plate and is extended between the filter material layer and the filter plate through the filter material layer from top to bottom
Aerated conduit；
First aeration tank and second aeration tank include being set to the inlet opening above its pond body and set on its bottom
The apopore of plate, the apopore of first aeration tank are connected to the inlet opening of second aeration tank.
Preferably, the aeration tube road opens up multiple solarization air caps, and the adjacent solarization air cap is alternately opened in the exposure
The heteropleural of feed channel.
Preferably, further include the Backwash pipeline being set to below the filter plate, be equipped in the filter opening of the filter plate multiple anti-
Rinse filter.
Preferably, the Backwash pipeline is combined water and air backwash pipeline, and the counter washing filter head is specially long handle filter
Head；
It further include being bonded the side wall of first aeration tank and second aeration tank respectively and being located on the filter material layer
The backwash sink to collect discharge backwashing water of side.
Preferably, the top plate of first aeration tank and the top plate of second aeration tank open up ventilation hole.
Preferably, the activity that the top plate of first aeration tank and the top plate of second aeration tank are equipped with convenient for picking and placing
Seal cover board, in order to first aeration tank and second aeration tank repair and maintenance.
Relative to above-mentioned background technique, its pond body of second level aeration biological filter device provided by the utility model uses steel
Plate is made, and avoids the process of concreting pond body, greatly shortens construction period, installs and uses cost reduction；And by
The pond body of second level aeration biological filter device made of steel plate can design the size of its gauge size according to actual sewage treating capacity,
Convenient processing and manufacture can satisfy the demand of various sewage loads.
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 the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the plane of the backwash sink of second level aeration biological filter device provided by the utility model embodiment
Figure；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the structure chart of filter plate in Fig. 2；
Fig. 4 is the top plan view of second level aeration biological filter device provided by the utility model embodiment；
Fig. 5 is the arrangement schematic diagram of aerated conduit in Fig. 2；
Fig. 6 is the structural schematic diagram of Backwash pipeline in Fig. 2.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Fig. 1 to Fig. 6 is please referred to, Fig. 1 is the anti-of second level aeration biological filter device provided by the utility model embodiment
Rinse the plan view of sink；Fig. 2 is the A-A cross-sectional view of Fig. 1；Fig. 3 is the structure chart of filter plate in Fig. 2；Fig. 4 is that the utility model is real
Apply the top plan view of second level aeration biological filter device provided by example；Fig. 5 is the arrangement schematic diagram of aerated conduit in Fig. 2；Fig. 6
For the structural schematic diagram of Backwash pipeline in Fig. 2.
Second level aeration biological filter device provided by the utility model, including the first aeration tank 1 and the second aeration tank 2,
First aeration tank 1 is connected to realize the classification aeration purification of sewage with the second aeration tank 2；Wherein, the first aeration tank 1 and
The pond body of two aeration tanks 2 is all made of that steel plate is made and the first aeration tank 1 and the second aeration tank 2 are connected as one, and is aerated second level
Bacteria filter device equipment.
Above-mentioned its pond body of second level aeration biological filter device is made of steel plate, and steel plate is preferably stainless steel.Stainless steel type
Number selection can be selected according to the water quality for the treatment of sewage, if treatment sewage acidity is higher, may be selected acid-resistant stainless steel
Deng.By using the pond body of steel plate manufacture second level biological aerated filter, can flexibly be designed according to the size for the treatment of sewage amount
The size of second level biological aerated filter adapts to the processing of small flow domestic wastewater and industrial wastewater；In addition, avoiding traditional
Concreting process significantly shortens the construction period of second level biological aerated filter；And filter tank pond body is manufactured using steel plate, make
Second level aeration biological filter device equipment installs and uses flexible and conveniently moving.
With reference to the accompanying drawings and detailed description to second level aeration biological filter device provided by the utility model into
The more detailed introduction of row.
Fig. 1 and Fig. 2 are please referred to, second level biological aerated filter includes the first aeration tank 1 and the second exposure in a rectangular parallelepiped shape
Gas pond 2, the two are connected to the classification Air Exposure to sewage, improve the degree of purification of sewage, and certain first aeration tank 1 and second exposes
Gas pond 2 can also use such as columned other shapes, and the intracorporal pipe-line equipment arrangement in pond also occurs accordingly at this time
Change.Wherein, unlike using concreting from the pond body of traditional aeration biofilter, exposure provided by the utility model
The pond body of gas biofilter is all made of steel plate and is welded, and the first aeration tank 1 and the second aeration tank 2 are welded as a whole, and make two
Grade aeration biological filter device forms an integrated equipment, convenient transportation installation.
In a kind of specific embodiment of the utility model, the height of the first aeration tank 1 is greater than the height of the second aeration tank 2
Degree, in order to sewage in gravity by flowing automatically to the second aeration tank 2 after the processing of the first aeration tank 1, reduce sewage by the
The castering action that one aeration tank 1 is flowed to the second aeration tank 2, keeps apparatus structure simple, facilitates arrangement, reduces occupied area.
The internal structure of first aeration tank 1 and the second aeration tank 2 specifically refers to Fig. 2, and the two includes being set to pond body bottom
The filter plate 3 of plate, the structure of filter plate 3 can refer to Fig. 3, and filter material layer 4, the usually optional quartz sand of filter material layer 4 are equipped with above filter plate 3
Filtrate specifically can select suitable material to be laid with filter material layer 4 according to the water quality for the treatment of sewage；It is additionally provided with from top to bottom in pond body
It is extended between filter material layer 4 and filter plate 3 through 5 mounting hole 15 of aerated conduit and filter material layer 4 of top plate, is parallel with respect to filter plate 3
The aerated conduit 5 of laying, aerated conduit 5 provide abundance for being aerated to pond body for aerobic-type microorganism decomposition organic matter
Oxygen；Inlet opening 6 is opened up above 2 pond body of the first aeration tank 1 and the second aeration tank, opens up apopore in the bottom plate of the two
7, the inlet opening 6 that the apopore 7 of the first aeration tank 1 is connected to the second aeration tank 2 realizes that the classification to treatment sewage is aerated purification.
Aerated conduit 5 extends to the arragement construction of the part between filter material layer 4 and filter plate 3 as shown in figure 5, aerated conduit 5
On open up multiple solarization air caps, adjacent solarization air cap is alternately provided with the two sides of aerated conduit 5, alternately opens up on aerated conduit 5
Thin broken string indicates the direction of solarization air cap aeration, and solarization air cap generally selects the opposite parallel plane of filter plate 3 and is aerated obliquely.
For the filter effect for guaranteeing filter material layer 4, Backwash pipeline 8 also is set in the lower section of filter plate 3, in the filter opening of filter plate 3
Equipped with counter washing filter head 9, guarantee to be installed with a counter washing filter head 9 in any one filter opening；Preferably, Backwash pipeline 8 has
Body uses combined water and air backwash pipeline, and corresponding counter washing filter head 9 uses strainer head, at this point, apopore 7 is with regard to conduct
Inlet opening is backwashed, backwash stomata 13 is then as the air inlet backwashed.The filtrate of first aeration tank 1 and the second aeration tank 2
It is equipped with backwash sink 10 on the side wall of 4 top of layer, is additionally provided with slot hole 14 in one end of backwash sink 10, slot hole 14 is lower than
Sink 10 is backwashed in order to collect and be discharged the water for backwashing sink 10；When in the first aeration tank 1 and the second aeration tank 2
When the water level of backwash is higher than the water level of backwash sink 10, backwashing water can cheat 14 dischargers by sink and slot.
2. 8 structure of Backwash pipeline is indicated from backwash as shown in fig. 6, wherein 1. indicate the backwash air inlet from backwash blower
3. the backwashing water of water pump indicates that backwashing water is expelled to conditioning tank, 4. indicates that the water after Air Exposure flows out to clear water reserviors, 5.
It indicates backwash drainpipe, 6. indicates sewage water inlet pipe, 7. indicate backwash water inlet, 8. indicate backwash air inlet, 9. indicate water outlet, 10. table
Show and just washes draining.The correspondence of Backwash pipeline 8 is installed in the first aeration tank 1 and the second aeration tank 2.
Air pressure when to guarantee backwash air inlet in second level aeration biological filter device is normal, also in the first aeration tank 1 and the
The top plate of two aeration tanks 2 opens up ventilation hole 11, for the air inlet of backwash is discharged.Referring to FIG. 4, the first aeration tank 1 and second
Movable sealing cover plate 12 is respectively provided on the top plate of aeration tank 2, it is convenient that maintenance dimension is carried out to the first aeration tank 1 and the second aeration tank 2
Shield.
After second level aeration biological filter device runs a period of time, when needing to backwash device, backwash step
It is rapid specific as follows:
Rinsing step 1: air purge closes the flowing water Valve of the first aeration tank 1, first opens the air intake valve of backwash, carry out gas
Wash 3-5min.
Rinsing step 2: air water joint is rinsed, then opens backwash inlet valve, and air water joint rinses 3-5min.
Rinsing step 3: water rinses, and air purge valve is closed, and water rinses 3-5min.
Rinsing step 4: just washing, and washing valve is closed, and Valve for washing door is opened, and initial filter water exhausts.
Rinsing step 5: Valve for washing door is closed in operation, flowing water Valve is opened, into normal operating condition.
Second aeration tank is rinsed after the completion of above-mentioned, rinsing step is same as above.
Its pond body of second level aeration biological filter device provided by the utility model is made of steel plate, replaces traditional mix
Solidifying soil casting process, shortens construction period；And the gauge size of device can be suitble to small dirt according to sewage load flexible design
The enterprise of water discharge or unit use, by making appliance arrangement, so that second level aeration biological filter device mounting arrangements are flexible
It is convenient, reduce occupied area.
Second level aeration biological filter device provided by the utility model is described in detail above.It is used herein
Specific case is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help
Understand the method and its core concept of the utility model.It should be pointed out that for those skilled in the art,
Under the premise of not departing from the utility model principle, several improvements and modifications can be made to this utility model, these improve and
Modification is also fallen into the protection scope of the utility model claims.
Claims (8)
1. a kind of second level aeration biological filter device, which is characterized in that including the first aeration tank (1) and the second aeration tank (2), institute
The first aeration tank (1) is stated to be connected to second aeration tank (2) to realize sewage classification aeration purification；
The pond body of first aeration tank (1) and second aeration tank (2) is all made of steel plate and is made and first aeration tank
(1) it is connected as one with the pond body of second level aeration.
2. second level aeration biological filter device according to claim 1, which is characterized in that first aeration tank (1) and
Second aeration tank (2) is welded as a whole, and first aeration tank (1) is higher than second aeration tank (2) to realize water
Stream flows to second aeration tank (2) from first aeration tank (1).
3. second level aeration biological filter device according to claim 2, which is characterized in that first aeration tank (1) and
Second aeration tank (2) includes the filter plate (3) set on its pool bottom, the filter material layer (4) above the filter plate (3)
The aerated conduit (5) between the filter material layer (4) and the filter plate (3) is extended to through the filter material layer (4) from top to bottom；
First aeration tank (1) and second aeration tank (2) include the inlet opening (6) being set to above its pond body and are set to
The apopore (7) of its bottom plate, the apopore (7) of first aeration tank (1) are connected to the inlet opening of second aeration tank (2)
(6)。
4. second level aeration biological filter device according to claim 3, which is characterized in that the aeration tube road (5) open up
Multiple solarization air caps, and the adjacent solarization air cap is alternately opened in the heteropleural of the aeration tube road (5).
5. second level aeration biological filter device according to claim 3 or 4, which is characterized in that further include being set to the filter
Backwash pipeline (8) below plate (3), the filter opening of the filter plate (3) is interior to be equipped with counter washing filter head (9).
6. second level aeration biological filter device according to claim 5, which is characterized in that the Backwash pipeline (8) is
Combined water and air backwash pipeline, the counter washing filter head (9) is specially strainer head；
It further include being bonded the side wall of first aeration tank (1) and second aeration tank (2) respectively and being located at the filter material layer
(4) the backwash sink (10) to collect discharge backwashing water above.
7. second level aeration biological filter device according to claim 6, which is characterized in that first aeration tank (1)
Top plate and the top plate of second aeration tank (2) open up ventilation hole (11).
8. second level aeration biological filter device according to claim 7, which is characterized in that first aeration tank (1)
The movable sealing cover plate (12) that top plate and the top plate of second aeration tank (2) are equipped with convenient for picking and placing, in order to described the
One aeration tank (1) and second aeration tank (2) repair and maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226964.4U CN209292065U (en) | 2018-12-27 | 2018-12-27 | A kind of second level aeration biological filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226964.4U CN209292065U (en) | 2018-12-27 | 2018-12-27 | A kind of second level aeration biological filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209292065U true CN209292065U (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822226964.4U Active CN209292065U (en) | 2018-12-27 | 2018-12-27 | A kind of second level aeration biological filter device |
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| Country | Link |
|---|---|
| CN (1) | CN209292065U (en) |
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2018
- 2018-12-27 CN CN201822226964.4U patent/CN209292065U/en active Active
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