CN112142280A - Sludge optimization device and denitrification system with same - Google Patents
Sludge optimization device and denitrification system with same Download PDFInfo
- Publication number
- CN112142280A CN112142280A CN202010981597.8A CN202010981597A CN112142280A CN 112142280 A CN112142280 A CN 112142280A CN 202010981597 A CN202010981597 A CN 202010981597A CN 112142280 A CN112142280 A CN 112142280A
- Authority
- CN
- China
- Prior art keywords
- sludge
- tank body
- tank
- sludge discharge
- centrifugal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Centrifugal Separators (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a sludge optimization device and a denitrification system with the same, wherein the sludge optimization device comprises a tank body and a sludge discharge hopper connected to the bottom of the tank body, a sludge inlet pipe is connected to the side part of the tank body, and a sludge outlet pipe is connected to the upper part of the tank body; the pond body is internally provided with a centrifugal assembly for separating out non-microbial impurities, the sludge inlet pipe is positioned above the centrifugal assembly, the non-microbial impurities sink to the sludge discharge hopper, and the bottom of the sludge discharge hopper is provided with a sludge discharge assembly. According to the sludge optimization device, the non-microbial impurities with heavier mass in the sludge are separated by utilizing the centrifugal action of the centrifugal component, so that the content of the non-microbial impurities in the sludge is reduced, and the sludge activity is improved; the denitrification system of the invention reduces the content of non-microbial impurities in the returned sludge returned to the biochemical tank, improves the sludge activity, improves the treatment capacity of the biochemical tank, and effectively improves the denitrification effect of the sewage with low C/N ratio.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sludge optimization device and a denitrification system with the same.
Background
Along with the rapid growth of social economy and the improvement of average living standard of residents, urbanization is rapidly popularized, the discharge amount of urban sewage is increased day by day, and the requirement on sewage treatment technology is higher and higher. For pollutants, the removal of Chemical Oxygen Demand (COD) is simple, and most research focuses on the removal of ammonia nitrogen. The biological denitrification technology is the most widely applied sewage denitrification technology at present, namely, the removal of nitrogen is realized by nitrifying bacteria and denitrifying bacteria, and sufficient carbon sources are the key points of the efficient denitrification of the denitrifying bacteria. Researchers have proposed that when the ratio of the C/N of the inlet water is lower than 3.4, an external carbon source needs to be added to ensure the biological denitrification effect, and the result is widely accepted and widely applied.
At present, most urban domestic sewage and rainwater in China adopt a drainage system of rain and sewage confluence, the C/N ratio of water entering a sewage plant is usually lower than 3.4, and in order to achieve efficient removal of nitrogen, a mode of adding organic carbon sources such as methanol or ethanol is usually adopted, so that limited organic resources are consumed, and the operating cost of the sewage plant is increased. Patent CN201910079980.1 discloses a water high-efficiency nitrogen and phosphorus removal process (SSCS) and application, although the self carbon source can be utilized to compensate for the denitrification carbon source, the sludge is activated and then flows back by adding a sludge activation tank in the adopted mode, the equipment cost is high, the process is complicated, and the improvement of the sewage treatment efficiency is not facilitated.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a sludge optimization device and a denitrification system with the same, which can improve and increase the microorganism content of return sludge, make full use of the existing carbon source and improve the denitrification effect of low-C/N sewage under the condition of not adding an external carbon source.
In order to solve the technical problems, the invention adopts the technical scheme that:
the sludge optimization device comprises a tank body and a sludge discharge hopper connected to the bottom of the tank body, wherein a sludge inlet pipe is connected to the side part of the tank body, and a sludge outlet pipe is connected to the upper part of the tank body; the pond body is internally provided with a centrifugal assembly for separating out non-microbial impurities, the sludge inlet pipe is positioned above the centrifugal assembly, the non-microbial impurities sink to the sludge discharge hopper, and the bottom of the sludge discharge hopper is provided with a sludge discharge assembly.
According to the sludge optimization device, sludge enters the tank body through the sludge inlet pipe and falls to the centrifugal assembly, and under the centrifugal action of the centrifugal assembly, non-microbial impurities with heavier mass in the sludge are separated and fall into the sludge discharge hopper, so that the sludge with higher microbial content is discharged from the sludge outlet pipe at the upper part. The invention can reduce the content of non-microbial impurities in the returned sludge and improve the sludge activity.
Further, centrifugal component includes fixed bolster and the guiding disk of the coaxial setting of cell body, fixed bolster is connected between guiding disk and cell body, mud flow direction of mud pipe is tangent with guiding disk surface.
Furthermore, the flow guide disc is of a round table structure with a narrow top and a wide bottom, and the sludge flow direction of the sludge inlet pipe is tangent to the side face of the round table structure.
Furthermore, the flow guide discs are multiple groups, and the multiple groups of flow guide discs are coaxially arranged at equal intervals.
Furthermore, the two groups of fixed supports are symmetrically arranged on two sides of the axis of the flow guide disc.
Further, the fixed bolster is L type structure, and the one end and the flow guide disc of L type structure are connected, and the other end of L type structure is connected in the cell body bottom.
Further, the mud discharging assembly comprises a mud discharging pipeline and a mud discharging valve, the mud discharging pipeline is connected to the bottom of the mud discharging hopper, and the mud discharging valve is arranged on the mud discharging pipeline.
Further, the mud discharging hopper is of a conical structure with the cross section diameter gradually reduced from top to bottom.
The invention also provides a denitrification system, which comprises a biochemical tank, a secondary sedimentation tank, a sludge pump and the sludge optimization device, wherein the biochemical tank is communicated with the secondary sedimentation tank, the sludge pump is connected between the secondary sedimentation tank and the sludge inlet pipe, and the sludge outlet pipe is connected with the biochemical tank.
According to the denitrification system, after the sludge generated in the secondary sedimentation tank is treated by the sludge optimization device, the heavy-weight non-microbial impurities in the sludge are separated and sink into the sludge discharge hopper, the sludge with high microbial content is discharged from the sludge outlet pipe at the upper part to the biochemical tank for denitrification treatment, and the denitrification effect of the sewage with low C/N ratio can be effectively improved as the content of the non-microbial impurities in the returned sludge is reduced, the activity of the sludge is improved, and the treatment capacity of the biochemical tank is improved.
Further, the secondary sedimentation tank is communicated with a sludge discharge pipeline, and the sludge discharge assembly is communicated with the sludge discharge pipeline.
Compared with the prior art, the invention has the beneficial effects that:
according to the sludge optimization device, the non-microbial impurities with heavier mass in the sludge are separated by utilizing the centrifugal action of the centrifugal component, so that the content of the non-microbial impurities in the sludge is reduced, and the sludge activity is improved;
according to the denitrification system disclosed by the invention, the content of non-microbial impurities in the returned sludge returned to the biochemical tank is reduced, the sludge activity is improved, the treatment capacity of the biochemical tank is improved, and the denitrification effect of the sewage with the low C/N ratio is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram I of a sludge optimization apparatus according to the first embodiment;
FIG. 2 is a top view of the sludge optimizing apparatus according to the first embodiment;
FIG. 3 is a schematic structural diagram II of the sludge optimizing apparatus in the first embodiment;
FIG. 4 is a schematic structural diagram III of a sludge optimizing apparatus according to the first embodiment;
FIG. 5 is a schematic structural diagram IV of a sludge optimizing apparatus according to an embodiment;
FIG. 6 is a schematic view of a denitrification system according to a second embodiment;
in the drawings: 10-a sludge optimization device; 1-a pool body; 2-a mud bucket; 3-a mud inlet pipe; 31-a connecting portion; 32-a mud inlet part; 4, a mud outlet pipe; 5-a centrifuge assembly; 51-a fixed support; 52-a flow guiding disc; 53-a first rod; 54-a second rod; 6-a sludge discharge assembly; 61-a sludge discharge pipeline; 62-a mud valve; 20-a biochemical pool; 30-a secondary sedimentation tank; 40-sludge pump.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Example one
Fig. 1 to 5 show an embodiment of a sludge optimization apparatus 10 of the present invention, which includes a tank body 1 and a sludge discharge hopper 2 connected to the bottom of the tank body 1, wherein a sludge inlet pipe 3 is connected to a side portion of the tank body 1, and a sludge outlet pipe 4 is connected to an upper portion of the tank body 1; be equipped with in the cell body 1 and be used for separating out the centrifugal component 5 of non-microbial impurity, advance mud pipe 3 and be located centrifugal component 5 top, non-microbial impurity sinks to mud discharging hopper 2, and mud discharging hopper 2 bottom is equipped with mud discharging component 6. The tank body 1 of the present embodiment may preferably be of a cylindrical structure, but is not intended as a limiting provision of the present invention.
In the implementation of the embodiment, the sludge enters the tank body 1 through the sludge inlet pipe 3 and falls to the centrifugal assembly 5, under the centrifugal action of the centrifugal assembly 5, the non-microbial impurities with heavier mass in the sludge are separated and sink to the sludge discharge hopper 2, and the sludge with higher microbial content is discharged from the sludge outlet pipe 4 at the upper part of the tank body 1. The embodiment utilizes the physical separation effect, does not need to increase pressure and has simple structure; compared with the traditional sedimentation separation, the embodiment can save the volume of the pool and save the sedimentation time.
The sludge entering from the sludge inlet pipe 3 falls into the centrifugal assembly 5, and the centrifugal assembly 5 generates centrifugal action on the sludge, and the way of generating centrifugal action in the embodiment includes but is not limited to the following two ways: the centrifugal component 5 rotates, the sludge falls to the centrifugal component 5, and the non-microbial impurities with heavier mass are separated under the action of centrifugal force; centrifugal component 5 is fixed, advances mud direction, centrifugal component 5's structure through setting up into mud pipe 3 for mud produces centrifugal force when falling to centrifugal component 5, separates out the non-microorganism impurity that the quality is heavier under the centrifugal force effect.
In order to simplify the structure of the tank body 1, the present embodiment adopts a mode of fixing the centrifugal assembly 5, specifically:
the centrifugal assembly 5 comprises a fixed support 51 and a flow guide disc 52 which is coaxial with the tank body 1, the fixed support 51 is connected between the flow guide disc 52 and the tank body 1, and the sludge flow direction of the sludge inlet pipe 3 is tangential to the surface of the flow guide disc 52, as shown in fig. 2; wherein the deflector disc 52 is provided with smooth curved side surfaces. When mud is advanced by advancing mud pipe 3, mud inflow direction is tangent with the arc side of guiding plate 52, forms the circulation state on the arc side to produce centrifugal force effect, make the heavier non-microorganism impurity of quality separate out and sink to in the toper mud bucket 2 in the mud, so alright improve the microorganism content in the mud portably, improve mud activity.
The diversion disc 52 is in a round table structure with a narrow top and a wide bottom, and the sludge flow direction of the sludge inlet pipe 3 is tangent to the side surface of the round table structure; the sludge inlet pipe 3 comprises a connecting part 31 and a sludge inlet part 32 which are communicated, and an obtuse included angle is formed between the connecting part 31 and the sludge inlet part 32, so that the sludge flow can form circulation centrifugal separation on the side surface of the circular truncated cone structure, and the sludge flow is prevented from flowing to the inner wall of the tank body 1 to influence the centrifugal effect; the sludge outlet pipe 4 is arranged on the upper part of the tank body 1 and positioned above the flow guide disc 52, under the action of centrifugal force, the non-microbial impurities with large mass sink, sludge flows out from the upper part of the tank body 1, and the conditions that the content of microorganisms in the flowing-out sludge is high and the activity is high can be effectively guaranteed.
In order to improve the separation effect, the guiding disks 52 of the present embodiment are provided in multiple sets, and the multiple sets of guiding disks 52 are coaxially disposed at equal intervals. The plurality of sets of baffles 52 simultaneously perform a separating function, so as to improve the separating effect and the separating efficiency, and the plurality of sets of baffles 52 are preferably distributed at equal intervals to obtain an aesthetic effect, and are not intended to be limiting requirements of the present invention. Specifically, in this embodiment, a plurality of groups of sludge inlet pipes 3 may be arranged at the side of the tank body 1, the number of the sludge inlet pipes 3 is equal to the number of the diversion disks 52, and the sludge inlet pipes 3 correspond to the diversion disks 52 one by one, as shown in fig. 3; in this embodiment, a plurality of groups of mud inlet portions 32 may be connected to the same connecting portion 31, and a plurality of groups of mud inlet portions 32 correspond to the diversion disk 52 one by one, as shown in fig. 4; so set up, can make every strand of mud advance mud all tangent with the flow guide disc 52 side, all can form the circulation in the flow guide disc 52 side to play centrifugation and sedimentation, multiunit flow guide disc 52 plays centrifugal action and inclined plate sedimentation effect simultaneously, effectively improves centrifugal subassembly 5's separation effect and centrifugal efficiency.
It should be noted that the sludge flowing direction is tangential to the arc-shaped side surface of the deflector 52, which is preferable for obtaining better separation effect and centrifugal efficiency, but not limiting to the invention. When the sludge inflow direction is not tangent to the diversion disc 52, the sludge can be separated under the inclined plate sedimentation effect of the diversion disc 52, in such a case, the sludge inlet portion 32 of the embodiment can be set to be in a bell mouth structure, as shown in fig. 5, the sludge entering from the bell mouth can fall onto the upper and lower layers of diversion discs 52, and the sludge is separated under the inclined plate sedimentation effect and the centrifugal effect of the diversion disc 52.
The two groups of fixing brackets 51 are symmetrically arranged on two sides of the axis of the deflector 52, as shown in fig. 1 and 3. Wherein, the fixed bolster 51 is L type structure, and the one end and the flow guide disc 52 of L type structure are connected, and the other end of L structure is connected in cell body 1 bottom. In order to avoid the influence of the structure of the fixing bracket 51 on the centrifugal effect, the fixing bracket 51 of the present embodiment is provided in a rod-like structure. Specifically, the L-shaped structure includes a first rod 53 and a second rod 54 connected to each other at the ends, the first rod 53 is connected to the diversion plate 52, the second rod 54 is connected to the bottom of the tank body 1, and when the diversion plates 52 are multiple sets, the multiple sets of diversion plates 52 are connected to the first rod 53 in series at equal intervals. In addition, in order to ensure the fixing effect of the diversion disc 52, the two sets of second rods 54 of the present embodiment are located on the same diameter of the cross section of the tank body 1. It should be noted that the arrangement of the structure, number and position of the fixing brackets 51 is preferable for obtaining an aesthetic appearance and good fixing stability, and is not a restrictive provision of the present invention.
The mud discharging assembly 6 comprises a mud discharging pipeline 61 and a mud discharging valve 62, the mud discharging pipeline 61 is connected to the bottom of the mud discharging hopper 2, and the mud discharging valve 62 is arranged on the mud discharging pipeline 61. The sludge discharge hopper 2 is used for collecting a non-microbial structure with larger mass: in order to facilitate the collection of settled sludge (a non-microbial structure with large mass), the sludge discharge hopper 2 of the embodiment is of a conical structure with the cross section diameter gradually reduced from top to bottom; in order to facilitate the control of the sludge discharging process, the sludge discharging pipeline 61 and the sludge discharging valve 62 are arranged at the bottom of the sludge discharging hopper 2, when the sludge discharging valve 62 is opened, the sludge can be discharged, and when the sludge discharging valve 62 is closed, the collection of the sludge is facilitated.
Example two
Fig. 6 shows an embodiment of the denitrification system of the present invention, which includes a biochemical tank 20, a secondary sedimentation tank 30, a sludge pump 40, and a sludge optimization apparatus 10 according to the first embodiment, wherein the biochemical tank 20 is communicated with the secondary sedimentation tank 30, the sludge pump 40 is connected between the secondary sedimentation tank 30 and the sludge inlet pipe 3, and the sludge outlet pipe 4 is connected with the biochemical tank 20.
In the embodiment, after the sludge generated in the secondary sedimentation tank 30 is treated by the sludge optimization device 10, the heavy non-microbial impurities in the sludge are separated and sink into the sludge discharge hopper 2, the sludge with high microbial content is discharged from the upper sludge outlet pipe 4 to the biochemical tank 20 for denitrification treatment, and the denitrification effect of the sewage with low C/N ratio can be effectively improved due to the reduction of the non-microbial impurities in the returned sludge, the improvement of the sludge activity and the improvement of the treatment capacity of the biochemical tank 20.
During the operation of the denitrification system, the ratio of C/N of the inlet water of the biochemical tank 20 is lower, after sludge generated in the secondary sedimentation tank 30 is treated by the sludge optimization device 10, the non-microbial impurities with heavier mass in the sludge are separated and sink into the sludge discharge hopper 2, and the sludge with higher microbial content is discharged from the sludge outlet pipe 4 at the upper part to the biochemical tank 20 for denitrification treatment. In the embodiment, the impurities in the sludge discharge hopper 2 are detected, most of the impurities are inorganic matters, and only a small amount of organic matters and microorganisms exist, and it can be speculated that the content of non-microorganism impurities in the sludge flowing out of the sludge outlet pipe 4 is low, the activity is high, the content of ammonia nitrogen in the effluent of the secondary sedimentation tank 30 is detected after the operation for several months, and the content of ammonia nitrogen is obviously reduced compared with that of the effluent which is not provided with the sludge optimization device 10, so that the denitrification system of the embodiment obtains a good denitrification effect due to the addition of the sludge optimization device 10, does not need an additional carbon source, and can save the carbon source.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The sludge optimization device is characterized by comprising a tank body (1) and a sludge discharge hopper (2) connected to the bottom of the tank body (1), wherein a sludge inlet pipe (3) is connected to the side part of the tank body (1), and a sludge outlet pipe (4) is connected to the upper part of the tank body (1); be equipped with in cell body (1) and be used for separating out centrifugal subassembly (5) of non-microorganism impurity, advance mud pipe (3) and be located centrifugal subassembly (5) top, non-microorganism impurity sinks to mud discharging hopper (2), mud discharging hopper (2) bottom is equipped with mud discharging subassembly (6).
2. The sludge optimization device according to claim 1, wherein the centrifugal assembly (5) comprises a fixed support (51) and a flow guide disc (52) coaxially arranged with the tank body (1), the fixed support (51) is connected between the flow guide disc (52) and the tank body (1), and the sludge flow direction of the sludge inlet pipe (3) is tangential to the surface of the flow guide disc (52).
3. The sludge optimizing device according to claim 2, wherein the deflector (52) is a truncated cone structure with a narrow top and a wide bottom, and the sludge flow direction of the sludge inlet pipe (3) is tangential to the side surface of the truncated cone structure.
4. The sludge optimizing apparatus according to claim 3, wherein the guide discs (52) are provided in a plurality of groups, and the groups of guide discs (52) are coaxially arranged at equal intervals.
5. The sludge optimizing apparatus as claimed in any one of claims 1 to 4, wherein the number of the fixing brackets (51) is two, and the two fixing brackets (51) are symmetrically arranged on two sides of the axis of the deflector (52).
6. The sludge optimization device according to claim 5, wherein the fixing support (51) is of an L-shaped structure, one end of the L-shaped structure is connected with the flow guide disc (52), and the other end of the L-shaped structure is connected to the bottom of the tank body (1).
7. Sludge optimization apparatus according to claim 1, wherein the sludge discharge assembly (6) comprises a sludge discharge pipe (61) and a sludge discharge valve (62), the sludge discharge pipe (61) is connected to the bottom of the sludge discharge hopper (2), and the sludge discharge valve (62) is arranged on the sludge discharge pipe (61).
8. The sludge optimizing apparatus according to claim 7, wherein the sludge discharge hopper (2) has a conical structure with a cross-sectional diameter gradually decreasing from top to bottom.
9. A denitrification system, comprising a biochemical tank (20), a secondary sedimentation tank (30), a sludge pump (40) and the sludge optimization device (10) as claimed in any one of claims 1 to 8, wherein the biochemical tank (20) is communicated with the secondary sedimentation tank (30), the sludge pump (40) is connected between the secondary sedimentation tank (30) and a sludge inlet pipe (3), and the sludge outlet pipe (4) is connected with the biochemical tank (20).
10. The denitrification system according to claim 9, wherein the secondary sedimentation tank (30) is in communication with a sludge discharge conduit, and the sludge discharge assembly (6) is in communication with the sludge discharge conduit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981597.8A CN112142280A (en) | 2020-09-17 | 2020-09-17 | Sludge optimization device and denitrification system with same |
| PCT/CN2020/136811 WO2022057120A1 (en) | 2020-09-17 | 2020-12-16 | Sludge optimisation apparatus and denitrification system provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010981597.8A CN112142280A (en) | 2020-09-17 | 2020-09-17 | Sludge optimization device and denitrification system with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112142280A true CN112142280A (en) | 2020-12-29 |
Family
ID=73894105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010981597.8A Pending CN112142280A (en) | 2020-09-17 | 2020-09-17 | Sludge optimization device and denitrification system with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112142280A (en) |
| WO (1) | WO2022057120A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751616B (en) * | 2022-06-16 | 2022-09-02 | 中国市政工程华北设计研究总院有限公司 | Drainage pipeline sludge carbon source extraction system and method for on-line separation of organic and inorganic components |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2126927A (en) * | 1982-09-10 | 1984-04-04 | Buckingham Vehicles Limited | Separator |
| US4668391A (en) * | 1985-03-07 | 1987-05-26 | Ottens Erroll P K | Installation for dehydrating protein-containing sludge |
| CN102351390B (en) * | 2011-07-14 | 2013-07-17 | 上海交通大学 | Highly efficient swirling desanding apparatus for sludge |
| EP2792646B1 (en) * | 2013-04-16 | 2015-05-27 | Demon GmbH | Method and system for treating waste water containing ammonium |
| CN106966505A (en) * | 2017-05-23 | 2017-07-21 | 上海华畅环保设备发展有限公司 | A kind of A that processing is cracked including eddy flow2O sewage water treatment methods and device |
| CN111533260A (en) * | 2020-05-08 | 2020-08-14 | 格润克利环境科技有限公司 | Integrated sludge concentration separation backflow device and backflow process |
-
2020
- 2020-09-17 CN CN202010981597.8A patent/CN112142280A/en active Pending
- 2020-12-16 WO PCT/CN2020/136811 patent/WO2022057120A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022057120A1 (en) | 2022-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103435232B (en) | AABR (Anaerobic Baffled Reactor)-compound type MBR (Membrane Biological Reactor) integrated device and method for treating organic wastewater | |
| CN105776528A (en) | Dual-reflux efficient anaerobic reaction device and wastewater treatment method | |
| CN102964037B (en) | Novel sewage treatment method by combined utilization of light filter material biological aerated filter and heavy filter material biological aerated filter | |
| CN109095708B (en) | Sewage treatment equipment | |
| CN111484210B (en) | Domestic sewage treatment system with oil separation and regulation functions and sewage treatment method thereof | |
| CN110526395B (en) | Rotational flow anaerobic reactor for wastewater treatment system | |
| CN211338961U (en) | Sewage treatment device adopting down-flow type anaerobic biological filter combined process | |
| CN216296705U (en) | Pipeline type hydraulic separation device for sludge particles and sewage treatment system | |
| CN2441794Y (en) | Integrated processor for waste water | |
| CN101219831A (en) | Migration bed/activated sludge process series arrangement | |
| CN100500593C (en) | Combined type wastewater treatment method and equipment | |
| CN112142280A (en) | Sludge optimization device and denitrification system with same | |
| CN212504474U (en) | Domestic sewage treatment system with oil separation and storage functions | |
| CN210736319U (en) | Spiral-flow type anaerobic reactor | |
| CN213834980U (en) | Sludge optimization device and denitrification system with same | |
| CN208802968U (en) | A kind of modified form rural domestic sewage treatment system | |
| CN215712089U (en) | Composite wetland system suitable for non-point source pollution treatment | |
| CN213738786U (en) | Separate aeration self-circulation two-stage denitrification integrated sewage treatment equipment | |
| CN208249987U (en) | A kind of high efficiency anaerobic reactor water distributor | |
| CN111217446B (en) | High-efficient good oxygen biological fluidized bed reactor | |
| CN202063802U (en) | Device for processing ethylene glycol sewage | |
| CN108585197B (en) | Village-to-home-level mud film coupling sewage treatment device and treatment method thereof | |
| CN112759201A (en) | Self-maintenance sewage treatment integrated equipment and sewage treatment method thereof | |
| CN221644709U (en) | Anaerobic ammonia oxidation denitrification system | |
| CN215592876U (en) | High-efficient integrated aerobic biochemical precipitation treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |