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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
floating mud
area
floating
situ
acquiring
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.)
Granted
Application number
CN202211412742.6A
Other languages
Chinese (zh)
Other versions
CN115448396B (en
Inventor
韩红波
桂波
闫成术
李小阳
易境
候丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Sanyou Environmental Protection Technology Co ltd
Original Assignee
Hunan Sanyou Environmental Protection Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Sanyou Environmental Protection Technology Co ltd filed Critical Hunan Sanyou Environmental Protection Technology Co ltd
Priority to CN202211412742.6A priority Critical patent/CN115448396B/en
Publication of CN115448396A publication Critical patent/CN115448396A/en
Application granted granted Critical
Publication of CN115448396B publication Critical patent/CN115448396B/en
Priority to PCT/CN2023/081596 priority patent/WO2024098611A1/en
Priority to BE20235645A priority patent/BE1031080A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/008Control or steering systems not provided for elsewhere in subclass C02F
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F2003/001Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/26Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Landscapes

  • 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

Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process
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
Figure 304653DEST_PATH_IMAGE001
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
Figure 690635DEST_PATH_IMAGE001
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
Figure 670629DEST_PATH_IMAGE001
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).
CN202211412742.6A 2022-11-11 2022-11-11 Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process Active CN115448396B (en)

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

Publications (2)

Publication Number Publication Date
CN115448396A true CN115448396A (en) 2022-12-09
CN115448396B CN115448396B (en) 2023-03-03

Family

ID=84295470

Family Applications (1)

Application Number Title Priority Date Filing Date
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)

* Cited by examiner, † Cited by third party
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO2024098611A1 (en) 2024-05-16
BE1031080A1 (en) 2024-06-20
CN115448396B (en) 2023-03-03

Similar Documents

Publication Publication Date Title
CN115448396B (en) Method and device for in-situ removal of floating mud in HPB technology enhanced sewage biological treatment process
JP5114780B2 (en) Anaerobic treatment method and apparatus
CN103408202B (en) High-density sedimentation internal circulating integrated sewage treatment equipment
CN106186474A (en) Micro-critical reacting multiphase flow sewage water treatment method
CN209143830U (en) Synchronous denitrification dephosphorizing integral reactor
CN110950464A (en) Method and system for treating acidic iron-containing wastewater of mine
CN101475236B (en) Pneumatic water pump pipe assembly and use thereof in water treatment technology
CN105152274A (en) Electrocatalytic oxidation reactor
CN211497230U (en) Mine acidic iron-containing wastewater treatment system
CN212025118U (en) Environment-friendly wastewater treatment tank
CN202519078U (en) Novel and effective integration reaction precipitation device
CN212450751U (en) Settling tank for efficiently treating oilfield sewage
CN207537196U (en) A kind of circulating iron carbon reduction reaction device
CN205076885U (en) Double -deck circulating aeration oxidation canal sewage treatment plant
JPH11128979A (en) Apparatus and method for water treatment
CA2257603A1 (en) Improved water purification system
CN208747791U (en) Lake filter
CN102086070B (en) Moving bed type advanced cyclic oxidation treatment method and system
EP1021378B1 (en) Apparatus and process for sewage and wastewater treatment
CN112619251B (en) Water treatment equipment
CN203474585U (en) High-density precipitation internal-circulation integrated wastewater treatment equipment
JP2001269675A (en) Method and device for process of sewage water
CN218879596U (en) Quick-separating aerobic internal circulation biochemical treatment device
CN218841817U (en) Fenton fluidized tower device for improving treatment efficiency by utilizing sinking assisting device
CN108408986A (en) Lake filter

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
GR01 Patent grant
GR01 Patent grant