CN220703399U - Low water loss biological aerated filter - Google Patents
Low water loss biological aerated filter Download PDFInfo
- Publication number
- CN220703399U CN220703399U CN202322402283.XU CN202322402283U CN220703399U CN 220703399 U CN220703399 U CN 220703399U CN 202322402283 U CN202322402283 U CN 202322402283U CN 220703399 U CN220703399 U CN 220703399U
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- CN
- China
- Prior art keywords
- filter
- fixedly connected
- drain
- pipe
- biological
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000005273 aeration Methods 0.000 claims description 24
- 238000001914 filtration Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 239000010865 sewage Substances 0.000 abstract description 14
- 239000010802 sludge Substances 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 description 7
- 239000012528 membrane Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010796 biological waste Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The low water loss biological aerated filter comprises a filter, wherein a water inlet pipe is arranged below the side surface of the filter, a water outlet pipe is arranged above the side surface of the filter, a filter plate is arranged inside the filter, filter holes are formed in the surface of the filter plate at equal intervals, a gravel supporting layer is paved above the filter plate, and a biological filter layer is arranged above the gravel supporting layer; the filter plate below is the area of water distribution, and the filter chamber inner chamber bottom is equipped with the U template, is equipped with screw-nut in the middle of the U template, and driving motor is equipped with to the filter chamber side, and driving motor's output shaft fixedly connected with reciprocating screw, reciprocating screw pass screw-nut and with screw-nut threaded connection, filter chamber bottom are provided with the drain, and drain below fixed mounting has the drain, is provided with the control valve on the drain, and the drain is located the position department that the filter chamber bottom is close to driving motor. The utility model overcomes the defects of the prior art, and can realize the timing cleaning of the sludge at the bottom of the filter tank so as to prevent the efficiency of the subsequent sewage treatment from being reduced.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a low-water-loss biological aerated filter.
Background
At present, the biological filter is widely used for sewage treatment. The biological filter is to adhere microorganisms on a carrier or a filter material and decompose organic matters in sewage through metabolism of the microorganisms. When the existing biological filter is used for biological treatment, a microbial hanging film is directly formed on the filler, and the biological treatment is carried out on the wastewater.
Through retrieval, chinese patent discloses an aeration biological filter, the authority bulletin number of which is (CN 211871533U), which comprises a filter with a water inlet pipe and a water outlet pipe, a biological membrane filter material is arranged on the filter, the aeration biological filter further comprises a wind guide pipe and an aeration wind pipe, the aeration wind pipe is positioned in the biological membrane filter material, the wind guide pipe is communicated with the aeration wind pipe, and the top end of the wind guide pipe extends out of the biological membrane filter material.
According to the technology, through setting the communicated air guide pipe and the aeration air pipe, the combined backwashing is carried out, so that sufficient air-water combined cleaning is formed, waste and biological waste filter membranes are efficiently cleaned, and the risk of loss of biological membrane filter materials is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the low-water-loss biological aerated filter, which overcomes the defects of the prior art and can realize the timing cleaning of sludge at the bottom of the filter so as to prevent the efficiency of the subsequent sewage treatment from being reduced.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a low water loss biological aerated filter, includes the filter, filter side surface below fixedly connected with inlet tube, filter side surface top fixedly connected with outlet pipe, the inside fixedly connected with filter plate of filter, the filter plate is located the top of outlet pipe, filter hole has been seted up to the filter plate surface equidistance, gravel support layer has been laid to the filter plate top, gravel support layer top is provided with the biological filter layer, the outlet pipe is located biological filter layer top;
the filter plate is characterized in that a water distribution area is arranged below the filter plate, a U-shaped plate is slidably connected to the bottom of the inner cavity of the filter tank, a screw rod nut is arranged in the middle of the U-shaped plate, a driving motor is fixedly arranged below the side surface of the filter tank, an output shaft of the driving motor extends to the inside of the filter tank and is fixedly connected with a reciprocating screw rod, the reciprocating screw rod penetrates through the screw rod nut and is in threaded connection with the screw rod nut, a drain outlet is formed in the bottom of the filter tank, a drain pipe is fixedly arranged below the drain outlet, a control valve is arranged on the drain pipe, and the drain outlet is located at the position, close to the driving motor, of the bottom of the filter tank.
Preferably, the surface of the U-shaped plate is provided with a filtering opening hole, and a screen is fixedly arranged in the filtering opening hole.
Preferably, one side fixedly connected with aeration pipe of filtering pond, the one end of aeration pipe extends to the inside of filtering pond and is located gravel supporting layer, the aeration pipe other end is connected with aeration equipment, the inside partial upper surface equidistance fixedly connected with shower nozzle of aeration pipe in filtering pond.
Preferably, a back flush water outlet pipe is fixedly connected above the side surface of the filter tank, a back flush water inlet pipe and a back flush air pipe are fixedly connected below the side surface of the filter tank, the back flush water outlet pipe is positioned above the biological filter material layer and below the water outlet pipe, and the back flush water inlet pipe and the back flush air pipe are positioned in the water distribution area.
Preferably, the two sides of the U-shaped plate are fixedly connected with sliding blocks, and the sliding blocks are in sliding connection with the inner wall of the filter tank.
The utility model provides a low-water-loss biological aerated filter. The beneficial effects are as follows: when the bottom of the filter tank produces precipitated sludge, the driving motor is started, the reciprocating screw rod is driven to rotate by the driving motor, so that the U-shaped plate is driven to move, the sludge at the bottom of the filter tank can be collected by the U-shaped plate, water in the sludge can pass through the screen, the sludge can not float, the sludge is conveyed to the sewage outlet, and the sludge is discharged through the sewage outlet, so that the sludge at the bottom of the filter tank can be cleaned at regular time, and the efficiency of subsequent sewage treatment is prevented from being reduced.
Drawings
In order to more clearly illustrate the utility model or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.
FIG. 1 is a schematic view of the present utility model in semi-section;
FIG. 2 is a schematic diagram of the present utility model in front cross-sectional configuration;
FIG. 3 is a schematic top cross-sectional view of the present utility model;
the reference numerals in the figures illustrate:
1. a filter tank; 2. a biological filter material layer; 3. back flushing the water outlet pipe; 4. a gravel support layer; 5. a water outlet pipe; 6. a spray head; 7. an aeration pipe; 8. a filter hole; 9. a water inlet pipe; 10. a driving motor; 11. a sewage outlet; 12. a blow-down pipe; 14. a reciprocating screw rod; 15. a screw nut; 16. a U-shaped plate; 17. a screen; 18. back flushing the water inlet pipe; 19. a filter plate; 20. a slide block; 21. and back flushing the air pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
1-3, a low-water-loss biological aerated filter comprises a filter 1, wherein a water inlet pipe 9 is fixedly connected below the side surface of the filter 1, a water outlet pipe 5 is fixedly connected above the side surface of the filter 1, a filter plate 19 is fixedly connected inside the filter 1, the filter plate 19 is positioned above the water outlet pipe 5, filter holes 8 are formed in the surface of the filter plate 19 at equal intervals, a gravel supporting layer 4 is paved above the filter plate 19, a biological filter material layer 2 is arranged above the gravel supporting layer 4, and the water outlet pipe 5 is positioned above the biological filter material layer 2;
the filter plate 19 below is the water distribution district, filter 1 inner chamber bottom sliding connection has U template 16, be provided with screw nut 15 in the middle of the U template 16, filter 1 side surface below fixed mounting has driving motor 10, driving motor 10's output shaft extends to filter 1's inside and fixedly connected with reciprocating screw 14, reciprocating screw 14 passes screw nut 15 and with screw nut 15 threaded connection, filter 1 bottom is provided with drain 11, drain 11 below fixed mounting has blow off pipe 12, be provided with the control valve on the blow off pipe 12, drain 11 is located filter 1 bottom is close to driving motor 10's position department.
Working principle:
during biochemical purification, water enters a water distribution area from a water inlet pipe 9, is subjected to preliminary filtration through a filter plate 19 to remove larger insoluble suspended matters, sequentially passes through a gravel supporting layer 4 and a biological filter layer 2 to purify sewage, and is discharged through a water outlet pipe 5; while impurities such as sludge and the like are generated at the bottom of the filter tank 1 in the purifying process; therefore, after the purification is completed, the driving motor 10 can be started to drive the reciprocating screw rod 14 to rotate, so that the screw rod sliding pair formed between the reciprocating screw rod 14 and the screw rod nut 15 can drive the screw rod nut 15 and the U-shaped plate 16 to move, sludge at the bottom of the filter tank 1 can be collected through the U-shaped plate 16 and conveyed to the sewage outlet 11, and discharged through the sewage outlet 11, so that the sludge at the bottom of the filter tank 1 can be cleaned in time, and the efficiency of subsequent sewage treatment is prevented from being reduced.
In the second embodiment, as a further preferable mode of the first embodiment, the surface of the U-shaped plate 16 is provided with a filtering opening hole, and a screen 17 is fixedly installed in the filtering opening hole. Through setting the U template 16 surface to screen cloth 17 form, consequently when driving motor 10 drives U template 16 and removes in order to collect the mud of filtering pond 1 bottom, the hydroenergy in the mud passes screen cloth 17, and the fluctuation just can not appear in this kind of water to can effectively prevent that the mud from floating, and then influence the problem of discharging mud.
In the third embodiment, as a further preferable scheme of the first embodiment, an aeration pipe 7 is fixedly connected to one side of the filter tank 1, one end of the aeration pipe 7 extends to the inside of the filter tank 1 and is positioned in the gravel supporting layer 4, the other end of the aeration pipe 7 is connected with an aeration device, and a spray head 6 is fixedly connected to the part of the upper surface of the aeration pipe 7 positioned in the filter tank 1 at equal intervals. When biochemical purification is performed, aeration can be performed in the gravel supporting layer 4 through the aeration pipe 7, so that the oxygenation effect of oxygen in the filter tank 1 is further enhanced, and the purification speed of sewage is accelerated.
In the fourth embodiment, as a further preferable scheme of the first embodiment, a backwash outlet pipe 3 is fixedly connected above the side surface of the filter tank 1, a backwash inlet pipe 18 and a backwash air pipe 21 are fixedly connected below the side surface of the filter tank 1, the backwash outlet pipe 3 is located above the biological filter material layer 2 and below the outlet pipe 5, and the backwash inlet pipe 18 and the backwash air pipe 21 are located in a water distribution area. During back flushing, the clear water back flushing water inlet pipe 18 enters the water distribution area, the water distribution area is inflated through the back flushing air pipe 21, water and gas enter the gravel supporting layer 4 and the biological filter material layer 2 in sequence from the filter plate 19, then the gas escapes, and the water is discharged from the back flushing water outlet pipe 3.
In the fifth embodiment, as a further preferable scheme of the first embodiment, two sides of the U-shaped plate 16 are fixedly connected with sliding blocks 20, and the sliding blocks 20 are slidably connected with the inner wall of the filter tank 1. The stability of the U-shaped plate 16 during movement is further ensured by the slide 20.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (5)
1. A low water loss biological aerated filter is characterized in that: the filter comprises a filter tank (1), a water inlet pipe (9) is fixedly connected below the side surface of the filter tank (1), a water outlet pipe (5) is fixedly connected above the side surface of the filter tank (1), a filter plate (19) is fixedly connected inside the filter tank (1), the filter plate (19) is positioned above the water outlet pipe (5), filter holes (8) are formed in the surface of the filter plate (19) at equal intervals, a gravel supporting layer (4) is paved above the filter plate (19), a biological filter material layer (2) is arranged above the gravel supporting layer (4), and the water outlet pipe (5) is positioned above the biological filter material layer (2);
the filter plate (19) below is the area of water distribution, filter (1) inner chamber bottom sliding connection has U template (16), be provided with screw-nut (15) in the middle of U template (16), filter (1) side surface below fixed mounting has driving motor (10), the output shaft of driving motor (10) extends to inside and fixedly connected with reciprocating screw (14) of filter (1), reciprocating screw (14) pass screw-nut (15) and with screw-nut (15) threaded connection, filter (1) bottom is provided with drain (11), drain (11) below fixed mounting has drain (12), be provided with the control valve on drain (12), drain (11) are located the position department that is close to driving motor (10) in filter (1) bottom.
2. The low water loss biological aerated filter of claim 1, wherein: the surface of the U-shaped plate (16) is provided with a filtering opening hole, and a screen (17) is fixedly arranged in the filtering opening hole.
3. The low water loss biological aerated filter of claim 1, wherein: one side fixedly connected with aeration pipe (7) of filtering pond (1), the one end of aeration pipe (7) extends to the inside of filtering pond (1) and is located gravel supporting layer (4), the other end of aeration pipe (7) is connected with aeration equipment, part upper surface equidistance fixedly connected with shower nozzle (6) that aeration pipe (7) are located inside filtering pond (1).
4. The low water loss biological aerated filter of claim 1, wherein: the filter is characterized in that a backwash water outlet pipe (3) is fixedly connected above the side surface of the filter (1), a backwash water inlet pipe (18) and a backwash air pipe (21) are fixedly connected below the side surface of the filter (1), the backwash water outlet pipe (3) is positioned above the biological filter layer (2) and below the water outlet pipe (5), and the backwash water inlet pipe (18) and the backwash air pipe (21) are positioned in a water distribution area.
5. The low water loss biological aerated filter of claim 1, wherein: the two sides of the U-shaped plate (16) are fixedly connected with sliding blocks (20), and the sliding blocks (20) are in sliding connection with the inner wall of the filter tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322402283.XU CN220703399U (en) | 2023-09-05 | 2023-09-05 | Low water loss biological aerated filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322402283.XU CN220703399U (en) | 2023-09-05 | 2023-09-05 | Low water loss biological aerated filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220703399U true CN220703399U (en) | 2024-04-02 |
Family
ID=90449451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322402283.XU Active CN220703399U (en) | 2023-09-05 | 2023-09-05 | Low water loss biological aerated filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220703399U (en) |
-
2023
- 2023-09-05 CN CN202322402283.XU patent/CN220703399U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |