CN113041691A - Sludge press filtration water-saving flushing device - Google Patents

Sludge press filtration water-saving flushing device Download PDF

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Publication number
CN113041691A
CN113041691A CN202110355915.4A CN202110355915A CN113041691A CN 113041691 A CN113041691 A CN 113041691A CN 202110355915 A CN202110355915 A CN 202110355915A CN 113041691 A CN113041691 A CN 113041691A
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CN
China
Prior art keywords
filter
water
sewage treatment
treatment tower
belt
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Pending
Application number
CN202110355915.4A
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Chinese (zh)
Inventor
牛明军
李启飞
李林
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Zhengzhou Guoyan Environmental Protection And Technology Co ltd
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Zhengzhou Guoyan Environmental Protection And Technology Co ltd
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Priority to CN202110355915.4A priority Critical patent/CN113041691A/en
Publication of CN113041691A publication Critical patent/CN113041691A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/04Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • B01D33/042Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering whereby the filtration and squeezing-out take place between at least two filtering bands
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/44Regenerating the filter material in the filter
    • B01D33/48Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/70Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention discloses a sludge filter-pressing water-saving flushing device, which comprises an upper filter-pressing belt and a lower filter-pressing belt, wherein a water collecting tank is arranged at the lower part of the lower filter-pressing belt, the water collecting tank is connected with a cylindrical sewage treatment tower through a pipeline, a spiral diversion trench which spirals downwards is arranged on the inner wall of the sewage treatment tower, the diversion trench is arranged along the tangential direction of the sewage treatment tower, and the inlet at the upper end of the diversion trench is communicated with a sewage inlet on the side surface of the sewage treatment tower; the bottom of sewage treatment tower is provided with mud and collects the structure, the upper portion center of sewage treatment tower has central suction tube along vertical downwardly extending, be provided with in the body and drive pivoted pivot in the outside, be provided with in the pivot and filter sewage to the filter belt unpowered with the brush that the water sword mouth corresponds, and be used for washing to the filter belt with the water source after handling, need not increase extra water source in the filter belt cleaning process, the sewage treatment tower is close to the filter belt simultaneously, great reduction lays the cost of clean water drainage tube.

Description

Sludge press filtration water-saving flushing device
Technical Field
The invention belongs to the technical field of sludge treatment, and particularly relates to a sludge filter-pressing water-saving flushing device.
Background
The dehydration process of the belt filter press can be divided into four important stages of pretreatment, gravity dehydration, wedge-shaped area prepressing dehydration and squeezing dehydration, and environment-friendly filtration products with reasonable price and reliable performance, such as a brand-new type equipment filter program control automatic van-type filter press, a diaphragm filter press, a deep sludge dehydration filter press, an integrated sewage sludge treatment equipment, an online precise filtration system and the like, are technically applied.
The basic structure of the belt filter press mainly comprises a driving device, a squeezing roller, an upper filter belt, a lower filter belt, a filter belt tensioning device, a filter belt cleaning device and the like; after the existing upper filter belt and lower filter belt filter-press sludge, the filter belt is often cleaned, so that filter holes in the filter belt are smooth, the filter belt is ensured to be penetrated by water with high efficiency in the filter-press process, a large amount of impurities exist in a water source filtered by the filter belt, and the water source cannot be directly used for cleaning the filter belt.
Disclosure of Invention
Aiming at the defects and problems of the existing equipment, the invention provides a belt filter press, which effectively solves the problems that the filter belt cleaning in the existing equipment needs an additional fresh clean water source, a large amount of clean water is consumed, corresponding sewage is generated, the capital investment is large, and the resource utilization rate is low.
The technical scheme adopted by the invention for solving the technical problems is as follows: a sludge filter-pressing water-saving flushing device comprises an upper filter-pressing belt and a lower filter-pressing belt, wherein a water collecting tank is arranged at the lower part of the lower filter-pressing belt, the water collecting tank is connected with a cylindrical sewage treatment tower through a pipeline, a spiral diversion trench which spirals downwards is arranged on the inner wall of the sewage treatment tower, the diversion trench is arranged along the tangential direction of the sewage treatment tower, and the upper inlet of the diversion trench is communicated with a sewage inlet on the side surface of the sewage treatment tower, so that a diversion channel which can stir water bodies to rotate without power is formed in the sewage treatment tower; a sludge collecting structure is arranged at the bottom of the sewage treatment tower, a central suction pipe vertically extends downwards from the center of the upper part of the sewage treatment tower, and an outlet at the outer end of the central suction pipe is communicated with the flushing structure through a pump; the washing structure comprises a pipe body communicated with the pump through a pipeline, a plurality of parallel water jet ports are arranged on the lower portion of the pipe body along the length direction, a rotating shaft capable of driving rotation from the outer side is arranged in the pipe body, and a brush corresponding to the water jet ports is arranged on the rotating shaft.
Furthermore, grooves are formed in two sides of the water knife edge, the bottom of each groove is communicated with an external impurity collecting pipe, and the hairbrush is correspondingly arranged on an arc-shaped shoulder between the water knife edge and the groove.
Furthermore, the grooves are distributed in the middle of the pipe body, the bottoms of the grooves are higher than the water jet scalpel openings, and the impurity collecting pipes are arranged on the side faces of the pipe body.
Furthermore, go up the filter-pressing area and all include the compression roller with filter-pressing area down and drive wheel, press the belt suit on the drive wheel, the compression roller sets up in the side of pressing the belt, the front end in the filter-pressing district of going up filter-pressing area and filter-pressing area down all is provided with the filter belt inclined plane, wash the inboard that the structure setting is at the filter belt inclined plane.
Furthermore, the central suction pipe is fixed on the inner wall of the sewage treatment tower through a bracket, and the bottom of the central suction pipe is provided with a bucket-shaped filter cover.
Further, the sludge collection structure comprises an auger, a driving motor and a discharging hopper, wherein an opening at the bottom of the sludge treatment tower is communicated with an inlet at the side face of the upper part of the front end of the auger, and the discharging hopper is communicated with a discharging port at the lower part of the rear end of the auger.
Furthermore, the auger set up along the incline direction, its front end import is located the lower part, its rear end export is located upper portion, driving motor is located the rear side to be provided with drainage structures in the front side of auger, drainage structures includes permeable layer and drain pipe, the drain pipe is through permeable layer and the inside intercommunication of auger.
Further, the bottom of sewage treatment tower is provided with changeover portion and precipitation section, and the changeover portion is the toper structure, is provided with the toper cover in the precipitation section, and there is the clearance in the lateral wall of toper cover and precipitation section.
The invention has the beneficial effects that: the invention aims at the problems that a cleaning device in the prior structure needs an additional clean water source and generates a large amount of sewage in the continuous cleaning process, and based on the problem, the invention focuses on the sewage generated by filter pressing of a filter belt, firstly collects the sewage and then injects the sewage into a sewage treatment tower, in order to realize continuous and unpowered sewage treatment, a spiral diversion trench is arranged in the sewage treatment tower, and is fixed on the inner wall of the sewage treatment tower, so that the sewage can be driven to stir in the sewage treatment tower by utilizing the power generated when the sewage is injected into the sewage treatment tower, and the heavier impurities are positioned at the outer side and move downwards under the action of gravity by utilizing the centrifugal force generated by stirring, thereby generating a clean water source at the center of the upper layer of the sewage treatment tower, and extracting the water source by utilizing a central suction pipe, so that the sewage can be rapidly treated without power and can be continuously operated, continuously providing a clean water source for the flushing device.
The water outlet gap of the water knife edge is small, particles which are not completely filtered cannot be discharged from the water knife edge, and the water knife edge is easy to block.
Simultaneously, be provided with mud collection structure in the bottom of sewage treatment tower, utilize the auger to carry mud, the auger structure has certain leakproofness to export mud under the transport of power, in order to further improve sealed effect, avoid the water to dash auger department and ooze, set up the auger into the slope form, auger import and export have the difference in height, and the water that carries when carrying mud can be because self gravity automatic backward flow.
In order to further improve sewage treatment efficiency, set up the toper cover in the precipitation section of sewage treatment tower bottom, the toper cover can let mud pass through to the stationary flow deposits, reduces the influence of water disturbance to mud, makes the mud after the sediment can not carry out the upper water once more, has improved the precipitation efficiency of mud.
Therefore, the invention has novel structure, can treat the sewage filtered by the filter belt without power, uses the treated water source for washing the filter belt, does not need to add additional water source in the process of cleaning the filter belt, and simultaneously, the sewage treatment tower is close to the filter belt, thereby greatly reducing the cost of laying the clean water drainage tube, protecting the water source, reducing the sewage production and sewage treatment investment, saving energy and protecting environment and having great economic and environmental benefits.
Drawings
Fig. 1 is a schematic view of the installation position of the flushing structure.
FIG. 2 is a schematic structural view of a sewage treatment tower.
FIG. 3 is another schematic view of the structure of the sewage treatment tower.
Fig. 4 is a schematic view of the structure of the flush tube.
FIG. 5 is a schematic view of another installation of the flushing structure.
Fig. 6 is a schematic view of the arrangement structure of the water knife edge and the hairbrush.
Fig. 7 is a schematic view of the configuration of the groove and arcuate shoulder.
Fig. 8 is another position structure diagram of the groove.
Fig. 9 is a schematic view of the water outlet direction of the water jet nozzle.
The reference numbers in the figures are: 1 is the filter-pressing area, 2 is the filter-pressing area down, 21 is the filter-pressing inclined plane, 3, 3 are the catch basin, 4 are sewage treatment tower, 41 is the changeover portion, 42 is the precipitation section, 5 is the guiding gutter, 6 is central suction tube, 7 is the pump, 8 is the body, 9 is the auger, 91 is the permeable bed, 92 is the drain pipe, 10 is that driving motor 11 is the hopper down, 12 is the toper cover, 13 is the brush, 14 is the recess, 15 is the arc shoulder, 16 impurity collecting pipes.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example 1: this embodiment aims at providing a sludge press filtration water conservation washing unit, mainly used sludge press filtration process, belt cleaning device needs extra clean water source in to current structure, and produce a large amount of sewage in the nature cleaning process that lasts, especially to the inconvenient place of water intaking in water source place, the cost of input is huge, based on this, this embodiment provides one kind and can utilize the sewage that the filter belt press filtration produced, be used for the washing of filter belt after handling sewage, need not new water source input, rationally allocate the sewage volume according to wasing water demand, and handle this sewage, produce the clean water that is used for wasing the filter belt in the internal demand.
As shown in fig. 1-5, a sludge filter-pressing water-saving flushing device comprises an upper filter-pressing belt 1 and a lower filter-pressing belt 2, wherein the upper filter-pressing belt 1 and the lower filter-pressing belt 2 both comprise a press roller, a press belt and a driving wheel, a horizontal filter-pressing area is arranged between the upper filter-pressing belt 1 and the lower filter-pressing belt 2, the press belt is sleeved on the driving wheel, the press roller is arranged on the side surface of the press belt, a water collecting tank 3 is arranged on the lower part of the lower filter-pressing belt 2, the water collecting tank 3 is used for collecting sewage generated by filter-pressing of the filter belts, in the specific implementation, the structure of the collecting tank 3 can be an inclined structure, specifically, two sides can incline towards the middle part or.
In the embodiment, the water collecting tank 3 is connected with a cylindrical sewage treatment tower 4 through a pipeline, the inner wall of the sewage treatment tower 4 is provided with a spiral diversion trench 5 which spirals downwards, the diversion trench 5 is arranged along the tangential direction of the sewage treatment tower, and the upper inlet of the diversion trench is communicated with a sewage inlet on the side surface of the sewage treatment tower, so that a diversion channel which can stir the water body to rotate without power is formed in the sewage treatment tower; diversion channel can carry out the water conservancy diversion to intaking that has power, the power of tangential direction is applyed to the water body, it is at 4 internal rotations in sewage treatment tower to drive the water body, sewage water is under the effect of centrifugal force, its heavier foreign particles is by centrifugation to the outside, and downstream under the action of gravity, thereby produce clean water source at 4 upper centers of sewage treatment tower department, and utilize central suction tube 6 to take out this place water source, can be unpowered carry out the rapid processing of sewage, sustainable operation, continuously provide clean water source for washing unit, central suction tube 6 is fixed on sewage treatment tower 4's inner wall through the support, can be provided with the filter mantle of fill form as required in the bottom of central suction tube 6, avoid light impurity to get into central suction tube.
The bottom of the sewage treatment tower 4 is provided with a sludge collection structure, the sludge collection structure comprises an auger 9, a driving motor 10 and a discharging hopper 11 in the embodiment, the bottom opening of the sewage treatment tower 4 is communicated with the side inlet at the upper part of the front end of the auger 9, the discharging hopper 11 is communicated with the discharging port at the lower part of the rear end of the auger 9, the auger is used for conveying sludge, and the auger structure has certain sealing property and outputs sludge under the conveying of power.
A central suction pipe 6 extends downwards along the vertical direction in the center of the upper part of the sewage treatment tower 4, an outlet at the outer end of the central suction pipe 6 is connected with a flushing pipeline through a pump 7, and the flushing pipeline is communicated with a flushing structure; the washing structure sets up respectively and presses the area top at last filter-pressing area 1 and filter-pressing area 2 down to wash, wash the structure and include body 8 in this embodiment, the lower part of body 8 is provided with many water sword mouths 81 that parallel along length direction, with clean water injection body 8 under the effect of pump 7, under hydraulic effect, the water sprays from water sword mouth 81 and forms the washing water sword, the water sword that sets up side by side can wash the filter belt many times, ensures the cleaning performance.
This embodiment is provided with in body 8 and can follow outside drive pivoted pivot 16, and concrete driving method can be motor drive or hand wheel drive, is provided with the brush that corresponds with the water sword mouth in the pivot 16, and every water sword mouth corresponds a set of brush, and every group brush is provided with 2-3 brushes 13, and the both sides of water sword mouth 81 are provided with recess 14, and the bottom and the outside impurity collecting pipe 16 intercommunication of recess 14, brush 13 corresponds the arc shoulder 15 that sets up between water sword mouth and recess, and the potential energy that the arc shoulder is close to the water sword mouth is higher than the potential energy that is close to the recess.
In the embodiment, the grooves are distributed in the middle of the pipe body, the bottoms of the grooves are higher than the water jet scalpel openings, and the impurity collecting pipes are arranged on the side surfaces of the pipe body; the impurity collecting pipe 16 is prevented from interfering the water outlet of the water jet;
the water outlet gap of the water knife edge is small, particles which are not completely filtered cannot be discharged from the water knife edge, and the water knife edge is easy to block.
During specific implementation, the flushing device is arranged at the position shown in fig. 1, the pipe body is arranged along the horizontal direction and is positioned on the right sides of the upper filter belt 1 and the lower filter belt 2, the right side is a sludge inlet end, and the left side is a sludge outlet end, so that sewage generated by cleaning is prevented from entering a filter pressing position.
When the device is used specifically, the sewage treatment tower is arranged at a position close to a filter belt, sewage collected by the water collecting tank is pumped into the sewage treatment tower 4 by using the pump, additional initial power is provided for the sewage, the sewage enters the sewage treatment tower 4 and then enters the cylindrical sewage treatment tower 4 along a tangent line due to the limiting effect of the spiral diversion trench, so that the continuously injected sewage can drive a water body to rotate in the sewage treatment tower, impurities are separated from the sewage under the action of centrifugal force and a center, purified water is formed in the middle of the upper layer and is pumped out by using the central suction pipe and serves as a water source of a flushing structure, the sewage filtered by the filter belt can be treated without power, the treated water source is used for flushing the filter belt, no additional water source is required to be added in the cleaning process of the filter belt, meanwhile, the sewage treatment tower is close to the filter belt, and the cost for laying a dry drainage pipe is greatly reduced, protects water sources, reduces sewage production and sewage treatment investment, saves energy, protects environment, and has great economic and environmental benefits.
Example 2: this example is substantially the same as example 1, except that; in this embodiment, as shown in fig. 5, the flushing structure is arranged parallel to the belt slope 21.
In the embodiment, the front ends of the filter pressing areas of the upper filter pressing belt 1 and the lower filter pressing belt 2 are both provided with a filter belt inclined plane 21, and the flushing structure is arranged on the inner side of the inclined plane; the arrangement mode of washing the structure in this embodiment, the upper filter belt of the direct discharge of sewage that the upper filter belt washd the filter belt and produced, the lower filter belt of the direct discharge of sewage that the lower filter belt washd the production, sewage can not by the repeated filtration, and wash the front end that the position set up in the filter-pressing district, ensure that the filter belt mesh that gets into the filter-pressing district is penetrating.
Example 3: this example is substantially the same as example 1, except that; this example provides a sludge collecting structure of another structure.
As shown in fig. 3, the auger 9 in this embodiment is disposed along an inclined direction, an inlet at a front end thereof is located at a lower portion, an outlet at a rear end thereof is located at an upper portion, the driving motor 1 is located at a rear side, and a drainage structure is disposed at the front side of the auger, the drainage structure includes a water permeable layer 91 and a drainage pipe 92, the drainage pipe 92 is communicated with the inside of the auger through the water permeable layer 91, in order to further improve a sealing effect and prevent a water body from seeping out from the auger 9, the auger 9 is disposed in an inclined shape, the inlet and the outlet of the auger have a height difference, and water carried by the auger when sludge is conveyed automatically flows back.
Simultaneously, the bottom of the sewage treatment tower is communicated with the bottom precipitation section 42 through the tapered transition section 41, the tapered cover 12 is arranged on the upper portion of the precipitation section, a gap exists between the tapered cover 12 and the side wall of the precipitation section 42, sludge can pass through the gap, stable flow precipitation is carried out, the influence of water body disturbance on the sludge is reduced, the precipitated sludge cannot be subjected to an upper water body again, and the precipitation efficiency of the sludge is improved.
Example 4: this example is substantially the same as example 1, except that; the shape of the water knife edge of this example is further illustrated.
As shown in FIG. 9, set up the arc baffle that the angle is different in water sword mouth department in this embodiment, water sword mouth play water direction that parallels of multirow increases step by step, make water sword mouth play water have the washing of multi-angle, specific body and filter belt parallel arrangement, and the water sword mouth play water direction perpendicular to filter belt at middle part, the both sides of middle part are towards the both sides of symmetry respectively, when the filter belt when washing the body, the play water direction of the different angles of water sword mouth can carry out all-round washing to the filtration pore on the filter belt, ensure the flushing effect.

Claims (8)

1. The utility model provides a sludge press filtration water conservation washing unit, includes filter-pressing area and lower filter-pressing area, is provided with the water catch bowl, its characterized in that in the lower part of filter-pressing area down: the water collecting tank is connected with a cylindrical sewage treatment tower through a pipeline, the inner wall of the sewage treatment tower is provided with a spiral diversion groove which spirals downwards, the diversion groove is arranged along the tangential direction of the sewage treatment tower, and the upper inlet of the diversion groove is communicated with a sewage inlet on the side surface of the sewage treatment tower, so that a diversion channel which can stir the water body to rotate without power is formed in the sewage treatment tower; a sludge collecting structure is arranged at the bottom of the sewage treatment tower, a central suction pipe vertically extends downwards from the center of the upper part of the sewage treatment tower, and an outlet at the outer end of the central suction pipe is communicated with the flushing structure through a pump; the washing structure comprises a pipe body communicated with the pump through a pipeline, a plurality of parallel water jet ports are arranged on the lower portion of the pipe body along the length direction, a rotating shaft capable of driving rotation from the outer side is arranged in the pipe body, and a brush corresponding to the water jet ports is arranged on the rotating shaft.
2. The sludge press-filtration water-saving flushing device according to claim 1, characterized in that: the two sides of the water knife edge are provided with grooves, the bottoms of the grooves are communicated with an external impurity collecting pipe, and the hairbrush is correspondingly arranged on an arc-shaped shoulder between the water knife edge and the grooves.
3. The sludge press-filtration water-saving flushing device according to claim 2, characterized in that: the groove is distributed in the middle of the pipe body, the bottom of the groove is higher than the water jet scalpel port, and the impurity collecting pipe is arranged on the side face of the pipe body.
4. The sludge press-filtration water-saving flushing device according to claim 1, characterized in that: go up the filter-pressing area and all include the compression roller with lower filter-pressing area, press area and drive wheel, press the area suit on the drive wheel, the compression roller sets up the side of pressing the area, the front end of the filter-pressing district of going up filter-pressing area and lower filter-pressing area all is provided with the filter belt inclined plane, wash the inboard that the structure setting is at the filter belt inclined plane.
5. The sludge press-filtration water-saving flushing device according to claim 1, characterized in that: the central suction pipe is fixed on the inner wall of the sewage treatment tower through a support, and the bottom of the central suction pipe is provided with a bucket-shaped filter cover.
6. The sludge press-filtration water-saving flushing device according to claim 1, characterized in that: the sludge collection structure comprises an auger, a driving motor and a discharging hopper, wherein the bottom opening of the sewage treatment tower is communicated with the side inlet at the upper part of the front end of the auger, and the discharging hopper is communicated with the discharging port at the lower part of the rear end of the auger.
7. The sludge press-filtration water-saving flushing device according to claim 6, characterized in that: the auger set up along the incline direction, its front end import is located the lower part, its rear end export is located upper portion, driving motor is located the rear side to be provided with drainage structures in the front side of auger, drainage structures includes permeable bed and drain pipe, the drain pipe is through permeable bed and the inside intercommunication of auger.
8. The sludge press-filtration water-saving flushing device according to claim 1, characterized in that: the bottom of sewage treatment tower is provided with changeover portion and sediment section, and the changeover portion is the toper structure, is provided with the toper cover in the sediment section, and there is the clearance in the lateral wall of toper cover and sediment section.
CN202110355915.4A 2021-04-01 2021-04-01 Sludge press filtration water-saving flushing device Pending CN113041691A (en)

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CN115215500A (en) * 2022-08-18 2022-10-21 合肥丰蓝电器有限公司 Cooling liquid filtering device for liquid cooling unit
CN117399401A (en) * 2023-12-13 2024-01-16 中铁发展投资有限公司 Intelligent rainwater and sewage pipe network treatment device and method

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115215500A (en) * 2022-08-18 2022-10-21 合肥丰蓝电器有限公司 Cooling liquid filtering device for liquid cooling unit
CN115215500B (en) * 2022-08-18 2023-12-08 合肥丰蓝电器有限公司 Cooling liquid filtering device for liquid cooling unit
CN117399401A (en) * 2023-12-13 2024-01-16 中铁发展投资有限公司 Intelligent rainwater and sewage pipe network treatment device and method
CN117399401B (en) * 2023-12-13 2024-04-30 中铁发展投资有限公司 Intelligent rainwater and sewage pipe network treatment device and method

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