CN115448396A - Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process - Google Patents
Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process Download PDFInfo
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- CN115448396A CN115448396A CN202211412742.6A CN202211412742A CN115448396A CN 115448396 A CN115448396 A CN 115448396A CN 202211412742 A CN202211412742 A CN 202211412742A CN 115448396 A CN115448396 A CN 115448396A
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000010865 sewage Substances 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 239000010802 sludge Substances 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 15
- 239000013049 sediment Substances 0.000 claims 3
- 230000010405 clearance mechanism Effects 0.000 claims 2
- 239000000969 carrier Substances 0.000 description 7
- 239000002893 slag Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
-
- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Analytical Chemistry (AREA)
- Removal Of Floating Material (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a method for removing floating mud in situ in a HPB technology reinforced sewage biological treatment process, which comprises the following steps: s1, putting a proper amount of floating mud in-situ removing device according to the capacity of a biochemical pond; s2, carrying out grid division on the biochemical pool; s3, obtaining coordinates of floating mud distribution points in the grid; s4, acquiring different floating mud areas and acquiring the maximum floating mud area; s5, moving the nearest floating mud in-situ cleaning device to the position of the maximum floating mud area, and cleaning the floating mud; s6, acquiring the latest floating mud area at intervals; s7, acquiring the working state of the floating mud in-situ cleaning device, and selecting the nearest floating mud in-situ cleaning device in the servo state to the maximum latest mud area in the step S6 for floating mud cleaning; and S8, repeating the steps S6 and S7 until the latest floating mud area is smaller than the threshold value, and indicating that the cleaning is finished.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a method and a device for removing floating mud in situ in a sewage biological treatment process enhanced by an HPB (high pressure biological treatment) technology.
Background
Excessive floating mud is the most common problem in a biochemical pool in sewage treatment, a plurality of mechanisms for generating floating mud are provided, most of the floating mud is generated and is related to filamentous bacteria expansion, in the HPB (High Concentration Powder Carrier Bio-fluidized Bed) sewage treatment technology, the floating mud is generated in an aerobic section of the biochemical pool, and micro nitrogen is generated mainly due to synchronous nitrification and denitrification reaction on micron-sized carriers and is attached to biological carriers, so that the density of the biological carriers is reduced, and the biological carriers float and gather to generate the floating mud. In the prior art, the floating mud is usually salvaged manually or is pumped out by mechanical equipment for disposal, and the carrier is not recovered, so that the carrier is wasted. Chinese patent No. CN105236567B discloses an anaerobic ammonium oxidation reactor based on automatic sludge removal, which comprises an upper cylinder and a lower cylinder, wherein the diameter of the upper cylinder is larger than that of the lower cylinder, and the upper cylinder and the lower cylinder are connected through a bell mouth. The reactor is internally provided with a volcano-mouth-shaped annular partition plate, a spray head connected with a liquid inlet pipe is arranged above the center of the annular partition plate, an annular sludge collecting groove is formed by clamping the inner cylinder body and the annular partition plate, and the two ends of the siphon sludge discharge pipe are communicated with the bottom of the annular sludge collecting groove and the outer side of the reactor. The reactor removes floating mud by using a siphon effect without external power, so that the operation cost is saved; the sludge removal zone is integrated into the reactor and is capable of periodically removing floating sludge in the reactor. The patent mainly solves the problem of floating mud generated in the reaction process, belongs to one of in-situ treatment, and directly kills the cradle without generating the floating mud. However, in the case of the HPB sewage treatment technology, the sludge is generated by combining a part of carriers with nitrogen gas, contains a large amount of biological carriers and fine nitrogen bubbles, and the removal of the sludge does not require the use of a dedicated reactor, and thus a dedicated sludge removal method is required for the HPB sewage treatment technology.
Disclosure of Invention
The invention aims to provide an HPB technology reinforced floating mud in-situ cleaning method in a sewage biological treatment process, which aims to solve the problems that the sewage treatment effect is influenced by excessive floating mud in the conventional biochemical tank and a carrier is not recycled when the floating mud is removed.
In order to realize the aim of the invention, the invention discloses a method for removing floating mud in situ in an HPB technology reinforced sewage biological treatment process, which comprises the following steps:
s1, putting a proper amount of floating mud in-situ removing device according to the capacity of a biochemical pond;
s2, carrying out grid division on the biochemical pool;
s21, acquiring multispectral remote sensing image data covering a biochemical pool area;
s22, carrying out planarization treatment on the image data;
and S23, carrying out grid division through the horizontal and vertical lines, and establishing a horizontal and vertical coordinate system.
S3, obtaining coordinates of floating mud distribution points in the grid;
s4, acquiring different floating mud areas and acquiring the maximum floating mud area;
s41, acquiring the shape of sludge, and defining the central point of the floating sludge in a horizontal and vertical coordinate system;
s42, establishing a secondary horizontal and vertical coordinate system by using the central point obtained in the step S41;
s43, dividing the sludge into n sectors by taking the central point as the center of a circle, and acquiring the areas S of different sectors n ；
And S44, summing the sectors to obtain the sludge area.
S5, moving the nearest floating mud in-situ cleaning device to the position of the maximum floating mud area, and cleaning the floating mud;
s6, acquiring the latest floating mud area at intervals
；
S7, obtaining the working state of the floating mud in-situ cleaning device, wherein the working state of the floating mud in-situ cleaning device comprises a maneuvering state and a servo-moving state. Selecting the nearest floating mud in-situ cleaning device in the servo state to the maximum latest mud area in the step S6 for cleaning floating mud;
s71, acquiring the conductive state of the clearing device, wherein the conductive operation indicates that the clearing device is in a maneuvering state, and the non-conductive operation indicates that the clearing device is in a servo-maneuvering state;
s72, if no clearing device belongs to the servo-actuated state, acquiring a first floating mud area A 1 ；
S73, obtaining the second floating mud area A at intervals of time t 2 ；
S74, obtaining the floating mud processing rate V, V = (A) 1 -A 2 )/t；
S75, obtaining the area A of the third floating mud 3 Obtaining the remaining processing time t 1 =A 3 /V；
S76, setting the standard time t 0 If t is 1 >t 0 Then in a maneuvering state, if t 1 <t 0 Then it is in servo-actuated state.
And S8, repeating the steps S6 and S7 until the latest floating mud area is smaller than the threshold value, and indicating that the cleaning is finished.
The invention also discloses a floating mud in-situ clearing device in the HPB technology reinforced sewage biological treatment process, which comprises a floating body, a moving mechanism arranged on the floating body and a clearing mechanism arranged on the floating body, wherein the clearing mechanism comprises a slag collecting hopper, a flow guide cover and a reflecting plate, the slag collecting hopper is arranged in the flow guide cover, an air outlet channel is formed between the flow guide cover and the slag collecting hopper, the flow guide cover comprises an upper bell mouth, a lower bell mouth and a treatment channel arranged between the upper bell mouth and the lower bell mouth, a stirring impeller is arranged in the treatment channel, and the reflecting plate is arranged below the lower bell mouth.
Preferably, the height of the highest point of the upper bell mouth is greater than the height of the highest point of the air guide sleeve.
Compared with the prior art, the invention has the beneficial effects that:
the method for removing the floating mud in situ in the HPB technology-enhanced sewage biological treatment process comprises the steps of obtaining the shape of the floating mud, establishing a coordinate system to obtain the area of the floating mud, controlling the in-situ removing device to remove the floating mud according to the area of the floating mud, obtaining the state of the in-situ removing device before controlling the in-situ removing device, controlling the in-situ removing device to move towards the floating mud with the nearest distance, removing the floating mud in situ, feeding the removing device through an upper horn mouth, smashing the floating mud by a stirring impeller, overflowing under the reflection action of a reflecting plate, allowing bubbles and gas to overflow from an air outlet channel, and allowing the smashed floating mud to flow down and realize the recycling of a carrier.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the cleaning mechanism of the present invention.
Reference numerals: 1. a float; 2. a moving mechanism; 3. a clearing mechanism; 31. a slag collection hopper; 32. a pod; 33. a reflective plate; 311 an upper bell mouth; 312. a lower bell mouth; 313. a processing channel; 34. an air outlet channel; 35 stirring the impeller.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment discloses a method for removing floating mud in situ in an HPB technology enhanced sewage biological treatment process, which comprises the following steps:
s1, putting a proper amount of floating mud in-situ removing device according to the capacity of a biochemical pond; the step is to select a proper amount of floating mud in-situ cleaning devices according to the area capacity of the biochemical pool and other parameters.
S2, carrying out grid division on the biochemical pool; the specific steps of mesh division comprise:
s21, acquiring multispectral remote sensing image data covering a biochemical pool area;
s22, carrying out planarization treatment on the image data;
and S23, carrying out grid division through the horizontal and vertical lines, and establishing a horizontal and vertical coordinate system.
S3, obtaining coordinates of floating mud distribution points in the grid;
s4, acquiring different float sludge areas and acquiring the maximum float sludge area; the method comprises the following specific steps:
s41, acquiring the shape of sludge, and defining the central point of the floating sludge in a horizontal and vertical coordinate system;
s42, establishing a secondary horizontal and vertical coordinate system by using the central point obtained in the step S41;
s43, dividing the sludge into n sectors by taking the central point as the center of a circle, and acquiring the areas S of different sectors n ；
S44, summing the sectors to obtain the area of the sludge
。
S5, moving the nearest floating mud in-situ cleaning device to the position of the maximum floating mud area, and cleaning the floating mud;
s6, acquiring the latest floating mud area at intervals;
and S7, acquiring the working state of the floating mud in-situ cleaning device, wherein the working state of the floating mud in-situ cleaning device comprises a maneuvering state and a servo-moving state. Selecting the nearest floating mud in-situ cleaning device in the servo state to the maximum latest mud area in the step S6 for cleaning the floating mud;
s71, acquiring the conductive state of the clearing device, wherein the conductive operation indicates that the clearing device is in a maneuvering state, and the non-conductive operation indicates that the clearing device is in a servo-maneuvering state;
s72, if there is no clearing device in the servo state, obtaining the first floating mud area A 1 ；
S73, obtaining the second floating mud area A at intervals of time t 2 ；
S74, obtaining the floating mud processing rate V, V = (A) 1 -A 2 )/t；
S75, obtaining the third floating mud area A 3 Obtaining the remaining processing time t 1 =A 3 /V；
S76, setting the standard time t 0 If t is 1 >t 0 Then in a maneuvering state, if t 1 <t 0 Then, it is in servo state.
And S8, repeating the steps S6 and S7 until the latest floating mud area is smaller than the threshold value, and indicating that the clearing is finished.
Example 2
As shown in fig. 1 and fig. 2, the embodiment discloses a device for removing floating mud in situ in an HPB technology-enhanced sewage biological treatment process, which includes a floating body 1, a moving mechanism 2 disposed on the floating body 1, and a removing mechanism 3 disposed on the floating body 1, wherein the removing mechanism 3 includes a slag collecting hopper 31, a diversion cover 32, and a reflecting plate 33, the slag collecting hopper 31 is disposed in the diversion cover 32, an air outlet channel 34 is formed between the diversion cover 32 and the slag collecting hopper 31, the diversion cover 32 includes an upper bell-mouth 311, a lower bell-mouth 312, and a treatment channel 313 disposed between the upper bell-mouth 311 and the lower bell-mouth 312, a stirring impeller 35 is disposed in the treatment channel 313, and the reflecting plate 33 is disposed below the lower bell-mouth 312. The highest point height of the upper bell-mouth 311 is larger than that of the air guide sleeve 32. The floating body 1 is a common floating structure and can be made of foam, the moving mechanism 2 is actually a driving mechanism of the floating body 1 and is used for adjusting the position of the floating body 1, a water surface moving mechanism or an underwater moving mechanism in the prior art can be adopted, and the power supply mode can be selected according to actual requirements. The control mode adopts wire control or wireless control, and the floating body 1 can move in the sewage treatment tank through a control instruction. The arrow in fig. 1 indicates the trend of the floating mud, the floating mud height exceeds the upper horn mouth 311, so that the floating mud enters the upper horn mouth 311 under the motion of the stirring impeller 35, the floating mud is broken, the broken floating mud passes through the reflection discharge of the reflecting plate along the lower horn mouth 312, the micro bubbles can overflow from the air outlet channel 34, so the area of the floating mud can be reduced, the floating mud is eliminated, and meanwhile, the damaged carriers in the floating mud can still enter the pool for reuse.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A method for removing floating mud in situ in a sewage biological treatment process reinforced by HPB technology is characterized by comprising the following steps: the method comprises the following steps:
s1, putting a floating mud in-situ removing device according to the capacity of the biochemical pool;
s2, carrying out grid division on the biochemical pool;
s3, obtaining coordinates of floating mud distribution points in the grid;
s4, acquiring different float sludge areas and acquiring the maximum float sludge area;
s5, moving the nearest floating mud in-situ cleaning device to the position of the maximum floating mud area, and cleaning the floating mud;
s6, acquiring the latest floating mud area at intervals;
s7, acquiring the working state of the floating mud in-situ cleaning device, and selecting the nearest floating mud in-situ cleaning device in the servo state to the maximum latest mud area in the step S6 for floating mud cleaning;
and S8, repeating the steps S6 and S7 until the latest floating mud area is smaller than the threshold value, and indicating that the cleaning is finished.
2. The method of claim 1, wherein: the specific steps of mesh division comprise:
s21, acquiring multispectral remote sensing image data covering the biochemical pool area;
s22, carrying out planarization treatment on the image data;
and S23, carrying out grid division through the horizontal and vertical lines, and establishing a horizontal and vertical coordinate system.
3. The method of claim 2, wherein: the floating mud area obtaining step comprises:
s41, acquiring the shape of sludge, and defining the central point of the floating sludge in a horizontal and vertical coordinate system;
s42, establishing a secondary horizontal and vertical coordinate system by using the central point obtained in the step S41;
s43, dividing the sludge into n sectors by taking the central point as the center of a circle, and acquiring the areas S of different sectors n ；
S44, summing the sectors to obtain the area of the sludge
。
4. The method of claim 3, wherein: the working states of the floating mud in-situ cleaning device comprise a power state and a servo state.
5. The method of claim 4, wherein: the working state obtaining method of the floating mud in-situ cleaning device comprises the following steps:
s71, acquiring the conducting state of the clearing device, wherein conducting operation indicates that the clearing device is in a maneuvering state, and non-conducting operation indicates that the clearing device is in a servo-maneuvering state;
s72, if there is no clearing device in the servo state, obtaining the first floating mud area A 1 ；
S73, obtaining a second floating mud area A at intervals of time t 2 ；
S74, obtaining the floating mud processing rate V, V = (A) 1 -A 2 )/t；
S75, obtaining the area A of the third floating mud 3 Obtaining the remaining processing time t 1 =A 3 /V；
S76, setting the standard time t 0 If t is 1 >t 0 Then in a maneuvering state, if t 1 <t 0 Then it is in servo-actuated state.
6. The device for removing the floating mud in situ based on the method of claim 5 is characterized in that: including body (1), set up moving mechanism (2) on body (1) and set up clearance mechanism (3) on body (1), clearance mechanism (3) are including album sediment fill (31), kuppe (32) and reflecting plate (33), collection sediment fill (31) set up in kuppe (32), form air outlet channel (34) between kuppe (32) and the collection sediment fill (31), kuppe (32) include belling (311), lower belling (312) and set up in last belling (311) and under and handle passageway (313) between belling (312), be provided with impeller (35) in handling passageway (313), reflecting plate (33) set up under belling (312) below.
7. The float sludge in-situ removal device as claimed in claim 6, wherein: the highest point height of the upper bell mouth (311) is greater than that of the air guide sleeve (32).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211412742.6A CN115448396B (en) | 2022-11-11 | 2022-11-11 | Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process |
| PCT/CN2023/081596 WO2024098611A1 (en) | 2022-11-11 | 2023-03-15 | In-situ floating-sludge removal method and apparatus in hpb technique-enhanced biological sewage treatment process |
| BE20235645A BE1031080A1 (en) | 2022-11-11 | 2023-08-02 | HPB TECHNOLOGY FOR IMPROVING THE BIOLOGICAL TREATMENT PROCESS OF WASTEWATER FLOATING SLUDGE IN SITU REMOVAL METHOD AND DEVICE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211412742.6A CN115448396B (en) | 2022-11-11 | 2022-11-11 | Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process |
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| Publication Number | Publication Date |
|---|---|
| CN115448396A true CN115448396A (en) | 2022-12-09 |
| CN115448396B CN115448396B (en) | 2023-03-03 |
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|---|---|---|---|
| CN202211412742.6A Active CN115448396B (en) | 2022-11-11 | 2022-11-11 | Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN115448396B (en) |
| BE (1) | BE1031080A1 (en) |
| WO (1) | WO2024098611A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098611A1 (en) * | 2022-11-11 | 2024-05-16 | 湖南三友环保科技有限公司 | In-situ floating-sludge removal method and apparatus in hpb technique-enhanced biological sewage treatment process |
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| JPH01159095A (en) * | 1987-12-15 | 1989-06-22 | Ishikawajima Harima Heavy Ind Co Ltd | Apparatus for removing scum |
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| JP3909460B2 (en) * | 2003-04-30 | 2007-04-25 | 株式会社 キューヤマ | Deposited mud removal device using tidal difference |
| CN1317200C (en) * | 2005-10-14 | 2007-05-23 | 清华大学 | Automatic vertical-flow oil-separating precipitator |
| CN106545042A (en) * | 2017-01-20 | 2017-03-29 | 核工业烟台同兴实业有限公司 | Automatic dredging machine under water |
| CN115448396B (en) * | 2022-11-11 | 2023-03-03 | 湖南三友环保科技有限公司 | Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process |
-
2022
- 2022-11-11 CN CN202211412742.6A patent/CN115448396B/en active Active
-
2023
- 2023-03-15 WO PCT/CN2023/081596 patent/WO2024098611A1/en unknown
- 2023-08-02 BE BE20235645A patent/BE1031080A1/en unknown
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| JPH01159095A (en) * | 1987-12-15 | 1989-06-22 | Ishikawajima Harima Heavy Ind Co Ltd | Apparatus for removing scum |
| JP2005058957A (en) * | 2003-08-19 | 2005-03-10 | Jfe Engineering Kk | Floating type water area cleaning apparatus |
| CN213327188U (en) * | 2020-06-30 | 2021-06-01 | 浙江富春紫光环保股份有限公司 | Sewage treatment system and foamy pool surface scum collection system thereof |
| CN214693466U (en) * | 2020-12-14 | 2021-11-12 | 北京恩菲环保技术有限公司 | Device for removing floating mud in biological pond |
| CN215855335U (en) * | 2021-09-01 | 2022-02-18 | 北京恩菲环保股份有限公司 | Biological pond floating mud clearing device |
| CN114733236A (en) * | 2022-04-26 | 2022-07-12 | 北控水务(中国)投资有限公司 | Floating sludge cleaning system and method for AOA secondary sedimentation tank and AOA secondary sedimentation tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024098611A1 (en) * | 2022-11-11 | 2024-05-16 | 湖南三友环保科技有限公司 | In-situ floating-sludge removal method and apparatus in hpb technique-enhanced biological sewage treatment process |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024098611A1 (en) | 2024-05-16 |
| BE1031080A1 (en) | 2024-06-20 |
| CN115448396B (en) | 2023-03-03 |
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