CN115259555A - Powerful combination method for treating micro-polluted water body - Google Patents

Abstract

The invention discloses a powerful combination method for treating micro-polluted water, which comprises the following steps of enabling waste water to be treated to enter a pretreatment region, and filling an adsorption material in the pretreatment region; pumping the wastewater subjected to pretreatment adsorption and purification into a first degradation area through a lift pump, and performing oxidation treatment by adopting a low-temperature plasma technology; the wastewater is treated by the low-temperature plasma technology from top to bottom in the first degradation area, overflows into a buffer area filled with filler below, and enters into a second degradation area for biochemical treatment after natural oxygenation; the wastewater treated in the biochemical section flows through a materialization area filled with the phosphorus removal bricks, and is discharged after phosphorus removal by the phosphorus removal bricks. All energy consumption of the powerful combined process is concentrated in a low-temperature plasma water inlet and treatment process section of a degradation zone I, all other units are hydraulic power self-flowing, and energy consumption for water treatment per ton is low; the process has convenient construction, simple operation and short debugging period, can be modified and expanded according to the water quality of the micro-polluted water body and the treatment requirement, and is little influenced by early construction.

Description

Powerful combination method for treating micro-polluted water body

Technical Field

The invention relates to the technical field of water treatment in environmental engineering, in particular to a powerful combination method for treating micro-polluted water.

Background

The micro-polluted water body generally refers to a water body containing chemical substances which are difficult to degrade, but has low concentration, wide range and biological accumulation. The micro-polluted water bodies with typical representatives comprise tail water of sewage plants, river and lake water polluted by industrial and agricultural industries and the like.

The treatment of the micro-polluted water body has self specificity, belongs to the low-concentration micro-polluted water body compared with domestic sewage, has great difference in treatment process and treatment requirements, and can not apply the existing sewage treatment method and theory. The generation of micro-polluted water bodies represented by rivers and lakes, and the water quantity and the water quality are mainly characterized in that: (1) The river sewage flow is large, and the flow change is obvious seasonal and periodic. Generally, the flow of the river channel is larger in the rainy period in summer and smaller in the winter and spring; the flow of the polluted river water is generally larger, and the treatment difficulty is increased; (2) The pollutant concentration is low, the water quality index permanganate index is averagely lower than 20mg/L, the ammonia nitrogen index is averagely lower than 5mg/L, the TN is lower than 10mg/L, the TP is lower than 0.5mg/L, and the concentration is far lower than that of domestic sewage and industrial wastewater. (3) The river water system coverage is large, and the concentration change of the incoming water pollutants is large. Generally, the concentration of pollutants in the river in the dry season is highest, the concentration in the horizontal season is intermediate, and the concentration in the full season is lowest. (4) The river water body pollutants are complex in type, and not only contain pollutants such as nitrogen, phosphorus, organic matters and the like, but also comprise non-degradable pollutants and other toxic pollutants.

The treatment of the micro-polluted water body by the conventional biochemical process is limited by poor biodegradability of the water body, and the pollutants in the water body are difficult to deeply remove; meanwhile, the general characteristics of large flow and wide area of the micro-polluted water body also limit the application of the traditional advanced oxidation process in the scenes; although the traditional coagulation flocculation technology has a certain effect on removing refractory organic matters in a slightly polluted water body, the method has a deep influence on potential hazards of river and lake organisms in open water bodies such as rivers and lakes; and, current in carry out the preliminary treatment adsorption process to sewage, add adsorbing material into sewage usually, then adsorb under the stirring effect and handle, this mode of treatment has the problem that is unfavorable for the adsorbing material to retrieve.

Disclosure of Invention

The invention aims to solve the problems of the background technology and provides a strong combination method for treating micro-polluted water.

The invention combines the adsorption filler and equipment mainly based on physical adsorption, a device for destroying the structure of refractory organics by plasma strength, a lake purification device for degrading organics by biochemical treatment and a phosphorus removal material with physical and chemical coprecipitation; the complete treatment method is formed by controlling the retention time of the inlet water and reasonably distributing according to the treatment target characteristics of each part of device.

The invention has strong treatment effect on micro-pollutants, and the core principle is that each functional area can save energy in each treatment ring to maximize the target treatment effect: the adsorption zone mainly adopts adsorption, the porous filler prolongs the sewage flow through channels, prolongs the water conservancy residence time and promotes the precipitation effect, and the removal rate of SS is not lower than 90 percent and the removal rate of COD is 10-25 percent; the strong oxidation free radical plasma beam generated by the plasma in the first degradation area can powerfully destroy the chemical bond of the organic matter, so that the biodegradability is improved, and the B/C ratio is improved by not less than 30%; the combination of the artificial filler and the natural filler in the filler area can buffer the ozone-rich effluent treated by plasma, and can complete natural oxygenation through the huge liquid film area formed by the sewage flowing through the filler, so that the dissolved oxygen of the water body flowing out of the filler area B is not lower than 6mg/L; the sewage with improved biochemical property after the front-end treatment completes carbon removal and nitrogen removal under the action of microbial metabolism and nitrification and denitrification of the lake purifier, the removal rate of COD is not less than 60 percent, and the removal rate of ammonia nitrogen is not less than 85 percent; the treated sewage passes through a phosphorus removal materialization area to further fulfill the aim of removing phosphorus, the total phosphorus removal rate is not lower than 85 percent, and the degradation and removal of three main pollutants, namely carbon, nitrogen and phosphorus, in the slightly polluted water body are finished after the treatment process is finished.

The purpose of the invention can be realized by the following technical scheme:

a powerful combination method for treating micro-polluted water bodies comprises the following steps:

step 1: the wastewater to be treated enters a pretreatment region, and the pretreatment region is filled with an adsorption material to carry out primary adsorption and precipitation on system inlet water;

step 2: pumping the wastewater subjected to pretreatment adsorption and purification into a first degradation area through a lift pump, and performing oxidation treatment by adopting a low-temperature plasma technology;

and step 3: the wastewater is treated by low-temperature plasma technology from top to bottom in the first degradation area, overflows into a buffer area filled with filler below, and enters into a second degradation area for biochemical treatment after natural oxygenation; so that the small molecular organic matters are further decomposed and mineralized under the action of the flora;

and 4, step 4: the wastewater treated in the biochemical section flows through the materialization area filled with the phosphorus removal bricks, and is discharged after phosphorus removal through the materialization of the phosphorus removal bricks.

As a further scheme of the invention: the adsorbing material filled in the filler adsorption area and taking physical adsorption as a core comprises an attapulgite material, volcanic rock, activated carbon, zeolite and a molecular sieve.

As a further scheme of the invention: the buffer zone comprises a water distribution filler A zone and a water distribution filler B zone, and the filler A comprises pall rings and Raschig rings; the filler B comprises volcanic rock and retinervus Luffae fructus.

As a further scheme of the invention: the residence time of the pretreatment unit is controlled to be 1-2 hours.

As a further scheme of the invention: in the step, the adsorbing material is arranged in a filling plate, and the filling plate is a filling cabin which is formed between a first shell and a second shell and has an annular structure in cross section and an oval cross section.

As a further scheme of the invention: the filling plate is arranged on the rotating rack, rotates along the pretreatment box and is switched; when the adsorbing material in one filling plate works for a long time to reach a saturated state, the rotating frame is rotated, so that the filling plate in the saturated state rotates to the upper side, the filling material is replaced, and the unused filling plate enters the sewage correspondingly to be subjected to adsorption treatment.

As a further scheme of the invention: be provided with on the rotating frame and rock the subassembly, rock the subassembly and be used for driving the interior chamber circulation rotation that the infill panel can follow the case of preliminary treatment.

As a further scheme of the invention: the output end of the air cylinder of the shaking assembly is connected with the movable plate, clamping sleeves are elastically and telescopically arranged on two sides of the movable plate, the clamping sleeves are matched with a clamping groove of a connecting frame installed on the rotating rack, and the connecting frame is used for installing a filling plate.

As a further scheme of the invention: the jacket is magnetically connected with the connecting frame.

The invention has the beneficial effects that:

(1) All energy consumption of the powerful combined process is concentrated in a low-temperature plasma water inlet and treatment process section of a degradation first area, all other units are hydraulic power self-current, and energy consumption for water treatment per ton is low; the process construction is convenient, the operation is simple, the debugging period is short, the improvement and the extension can be carried out according to the water quality of the micro-polluted water body and the treatment requirement, and the influence of the early construction is little; the removal rate of COD in the micro-polluted water body by the method is more than 60 percent; the removal rate of ammonia nitrogen is more than 85 percent; the removal rate of the total phosphorus is more than 85 percent;

(2) The filling plate with the oval structure is arranged, so that the adsorbing material can be loaded in the filling plate, the sewage can be conveniently salvaged after being pretreated, and the filling material can be conveniently and quickly loaded into the filling bin by the first shell and the second shell which are detachably arranged; the structure of the filling plate enables the sewage to have larger contact area with the adsorbing material, and has good adsorbing effect;

(3) The filling plates are arranged on the rotating mechanism, so that the filling plates can be switched, namely when the adsorbing materials in one filling plate work for a long time to reach a saturated state, the rotating frame is rotated, the filling plate in the saturated state rotates to the upper part, the filling materials are replaced, and the unused filling plates correspondingly enter the sewage to be adsorbed, so that the sewage pretreatment is ensured to be carried out all the time;

(4) Through be provided with on the support and rock the subassembly, drive the infill panel and can rotate along the inner chamber circulation of preliminary treatment case to evenly adsorb the sewage of preliminary treatment case.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a flow chart of the present invention;

FIG. 2 is a block diagram of the architecture of the present invention;

FIG. 3 is a schematic diagram of the structure of the pretreatment mechanism of the present invention;

FIG. 4 is a cross-sectional view of a pretreatment mechanism of the present invention;

FIG. 5 is a schematic structural diagram of the connection relationship between the rotating mechanism and the filling board according to the present invention;

FIG. 6 is a schematic structural view of the connection between the movable plate and the movable rod according to the present invention;

fig. 7 is a schematic structural view of the infill panel of the present invention.

In the figure: 1. a packing adsorption zone; 2. a low temperature plasma discharge region; 3. water distribution filler A; 4. water distribution filler B; 5. a lake purifier; 6. removing the phosphorous brick; 11. a pretreatment tank; 12. a rotating frame; 13. a support; 14. a connecting rod; 15. a infill panel; 16. a processing chamber; 17. a cylinder; 18. a movable plate; 19. a travel bar; 20. a jacket; 21. a connecting frame; 22. a drive motor; 23. a spring; 24. a first housing; 25. a second housing; 26. and (4) filling materials.

Detailed Description

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

Referring to fig. 1-2, the present invention is a highly effective combination method for treating micro-polluted water, comprising the following steps:

step 1: the wastewater to be treated enters a pretreatment region, and the pretreatment region is filled with an adsorption material taking physical adsorption as a core to carry out primary adsorption and precipitation on the system inlet water;

step 2: pumping the wastewater subjected to pretreatment adsorption and purification into a first degradation area through a lift pump, and performing oxidation treatment by adopting a low-temperature plasma technology;

and step 3: the wastewater is treated by low-temperature plasma technology from top to bottom in the first degradation area, overflows into a buffer area filled with filler below, and enters into a second degradation area for biochemical treatment after natural oxygenation; the second degradation area is a biochemical treatment area taking a lake purifier process as a core; under the action of flora, the small molecular organic matters in the sewage flowing through the biochemical area are further decomposed and mineralized to realize carbon removal and denitrification.

And 4, step 4: the wastewater treated by the biochemical section horizontally flows through a physicochemical section taking a dephosphorization brick as a core, so that the specific function of dephosphorization is realized; the phosphorus removal brick enables waste water to flow through the phosphorus removal brick in a dam filtering mode to achieve the best effect, and then the phosphorus removal brick is in a side bank protection slope laying mode; after the phosphorus is removed by the phosphorus removal bricks, the wastewater is discharged, and the water quality finishes the carbon removal, the nitrogen removal and the phosphorus removal, thereby achieving the water quality treatment requirement of the target.

The pretreatment area is connected with the advanced oxidation area through a lift pump, the advanced oxidation area is connected with the buffer area, the buffer area is connected with the biochemical area, and the biochemical area is connected with the physicochemical area;

the pretreatment area is internally provided with a filler adsorption area 1, the filler adsorption area 1 is filled with an adsorption material taking physical adsorption as a core, the attapulgite material which is cheap in raw materials, convenient to obtain and excellent in compatibility is used as the unit preferred filler, and similar products further comprise volcanic rock, activated carbon, zeolite, molecular sieves and the like. The residence time of the pretreatment unit is controlled to be between 1 and 2 hours; the pretreatment area mainly uses a physical adsorption material, particularly a biocompatible material, and mainly aims to realize primary adsorption and precipitation of inlet water so as to remove pollution factors such as suspended particles, micromolecular organic matters, heavy metals and the like. The control of the retention time is to ensure sufficient standing and precipitation;

the degradation first area mainly comprises a low-temperature plasma discharge area 2, a water distribution filler A area 3 and a water distribution filler B area 4 which are longitudinally arranged, the low-temperature plasma discharge area is a main energy consumption unit of the process, and hydroxyl free radicals generated in the plasma discharge area and other groups with strong oxidation functions of an ozone machine are utilized to break chains and decompose refractory organic matters, so that biodegradability is improved; the sewage treated by the discharge area naturally flows through the water distribution filler A area 3 and the water distribution filler B area 4 under the action of gravity, the liquid membrane area is increased under the main action of the filler A, B, so that the ozone fully acts and is converted, the influence on the subsequent biochemical section is reduced, and meanwhile, the increased liquid membrane area can contact more air to complete the oxygenation of the water body; wherein the filler A, B is a filler with large external specific surface area and large internal specific surface area respectively; preferred fillers A include pall rings, raschig rings, and the like; the filler B comprises volcanic rock, loofah sponge and the like;

a degradation second area is a biochemical section treatment process; a lake purifier 5 is adopted as the treatment means of the section; the naturally oxygenated water body in the degraded first-zone filling area enters the lake purifier 5, so that the mechanical aeration oxygenation can be avoided; pollutants in the sewage treated by the lake purifier 5 are further decomposed and mineralized under the action of microbial groups to realize the purposes of denitrification and carbon removal;

the materialization area is mainly filled with phosphorus removal bricks 6, preferably constructed into a filter dam mode, so that the sewage treated in the front-stage biochemical area flows through a dam body and is subjected to physical and chemical actions such as complexation with phosphorus in the sewage under the action of special phosphorus removal materials in the phosphorus removal bricks 6 to form coprecipitation, and then the coprecipitation is removed from a water body.

Example 2

Referring to fig. 3-7, based on the foregoing example 1, in step 1, when the raw water of the system is primarily adsorbed and precipitated by the physical adsorption-based adsorption material, a pretreatment mechanism with replaceable adsorption material is selected, and the pretreatment mechanism includes a pretreatment tank 11;

the pretreatment box 11 is provided with a rotating mechanism, the rotating mechanism is provided with a filling plate 15 through a connecting rod 14, and filling materials 26 are filled in the filling plate 15;

the rotating mechanism comprises two rotating frames 12, two supports 13, two connecting frames 21 and two driving motors 22, the two supports 13 are respectively arranged on the inner wall of the pretreatment tank 11, the two rotating frames 12 are arranged on the supports 13 through connecting shafts, the driving motors 22 are arranged on the outer wall of one side of the pretreatment tank 11, the output ends of the driving motors 22 are connected with the connecting shafts, the two connecting frames 21 are arranged on the rotating frames 12 by taking the connecting shafts as the circle centers, and the connecting frames 21 are connected with the filling plate 15 through connecting rods 14;

the filling plate 15 comprises a first shell 24, a second shell 25 and a filling bin 26, wherein the filling bin 26 with an annular cross section and an oval cross section is formed between the first shell 24 and the second shell 25; the cross sections of the first shell 24 and the second shell 25 are both in an oval structure, the first shell 22 and the second shell 25 are connected through a buckle, the first shell 22 is installed at the bottom end of the connecting rod 14, and a plurality of through holes are respectively formed in the side walls of the first shell 24 and the second shell 25;

the invention is provided with the filling plate 15 with the oval structure, so that the adsorbing material can be loaded in the filling plate 15, the sewage can be conveniently salvaged after being pretreated, and the filling material can be conveniently and quickly loaded into the filling bin 26 by the first shell 24 and the second shell 25 which are detachably arranged; the structure of the filling plate 15 ensures that the sewage and the adsorbing material have larger contact area and good adsorption effect;

the filling plates 15 are arranged on the rotating mechanism, so that the filling plates 15 can be switched, that is, when the adsorbing material in one filling plate 15 works for a long time to reach a saturated state, the rotating frame 12 is rotated, so that the filling plate 15 in the saturated state rotates to the upper part, the filling material is replaced, and the unused filling plate 15 correspondingly enters the sewage to be subjected to adsorption treatment, so that the sewage pretreatment is ensured to be carried out all the time;

during operation, firstly, the adsorbing material is loaded into the filling bin 26 in the filling plate 15, then, the driving motor 22 is started to operate, the rotating frame 12 is driven to rotate, and one filling plate 25 enters the inner cavity of the pretreatment tank 11 and is soaked in sewage to perform adsorption treatment; when the adsorption reaches a saturated state, the driving motor 22 is controlled to work to drive the rotating frame 12 to rotate, so that the other filling plate 15 is soaked in the sewage for adsorption treatment, and the filling material in the saturated filling plate 15 is replaced.

Example 3

Referring to fig. 5, based on the embodiment 2, in order to make the action area of the filling plate 15 in the pretreatment tank 11 larger and make the adsorption effect better, the support 13 is provided with a shaking assembly, which drives the filling plate 15 to rotate circularly along the inner cavity of the pretreatment tank 11, so as to uniformly adsorb the sewage in the pretreatment tank 11;

the shaking assembly comprises a cylinder 17, a movable plate 18, a movable rod 19, a jacket 20 and a spring 23; the cylinder 17 is mounted on the bracket 13 through a support rod, the output end of the cylinder 17 is connected with the movable plate 18, the two sides of the movable plate 18 are provided with limiting shafts, and the side wall of the bracket 2 is provided with sliding grooves matched with the limiting shafts; the bottom of the two sides of the movable plate 18 is provided with a mounting groove, a spring 23 is arranged in the mounting groove, the bottom of the spring 23 is connected with the movable rod 19, the movable plate 19 is connected with the movable plate 18 in a sliding manner, and the bottom of the movable plate 19 is provided with a jacket 20;

the clamping groove matched with the connecting frame 21 is formed in the jacket 20, the connecting frame 21 is rotatably connected with the rotating frame 2, the middle of the connecting frame 21 is of a square structure, so that the movable plate 18 is clamped and connected with the filling plate 15, the movable plate 18 is driven to rotate, and the filling plate 15 rotates along with the movable plate;

and the jacket 20 is magnetically connected with the connecting frame 21, so that when the filling plate 15 rotates to the lowest position, the corresponding connecting frame 21 is positioned right below the jacket 20, and at the moment, under the action of magnetism, the moving plate 19 moves downwards along the mounting groove, and the jacket 20 is fixed on the connecting frame 21;

during operation, the cylinder 17 is controlled to perform reciprocating telescopic operation to drive the movable plate 17 to rotate along the connecting bracket 21, and simultaneously the filling plate 15 is driven to rotate back and forth along the connecting bracket 21 through the connecting action of the jacket 20 and the connecting bracket 21;

preferably, an arc-shaped treatment chamber 16 is provided in the pretreatment tank 16 in conformity with the movement locus of the filling plate 15.

The working principle of the invention is as follows: the pretreatment area of the invention mainly uses physical adsorption materials to realize the primary adsorption and precipitation of inlet water so as to remove pollution factors such as suspended particles, micromolecular organic matters, heavy metals and the like;

according to the invention, the degradation first zone utilizes hydroxyl free radicals generated in a plasma discharge area and other groups with strong oxidation functions of an ozone machine to break chains and decompose refractory organic matters, so that the biodegradability is improved; the sewage treated by the discharge area naturally flows through the water distribution filler A area 3 and the water distribution filler B area 4 under the action of gravity, the area of the liquid membrane is increased under the main action of the filler A, B, so that the ozone fully acts and is converted, the influence on the subsequent biochemical section is reduced, and meanwhile, the increased area of the liquid membrane can contact more air to complete the oxygenation of the water body;

the degradation zone II is a biochemical section treatment process; the pollutants in the sewage treated by the lake purifier 5 are further decomposed and mineralized under the action of microbial groups to realize the purposes of denitrification and carbon removal;

the materialization area is mainly filled with a phosphorus removal brick 6 material, and is subjected to physical and chemical actions such as complexation with phosphorus in the sewage under the action of a special phosphorus removal material in the phosphorus removal brick 6 to form coprecipitation, so that the coprecipitation is removed from a water body;

the filling plate 15 is provided with an oval structure, so that the adsorbing material can be loaded in the filling plate 15, the sewage can be conveniently salvaged after being pretreated, and the filling material can be conveniently and quickly loaded into the filling bin 26 through the first shell 24 and the second shell 25 which are detachably mounted; the structure of the filling plate 15 ensures that the sewage and the adsorbing material have larger contact area and good adsorption effect;

the filling plates 15 are arranged on the rotating mechanism, so that the filling plates 15 can be switched, namely when the adsorbing materials in one filling plate 15 work for a long time to reach a saturated state, the rotating frame 12 is rotated, the filling plate 15 in the saturated state rotates to the upper part, the filling materials are replaced, the unused filling plate 15 correspondingly enters the sewage to be subjected to adsorption treatment, and the sewage pretreatment is ensured to be carried out all the time;

through being provided with on support 13 and rocking the subassembly, drive infill panel 15 and can rotate along the inner chamber circulation of preliminary treatment case 11 to carry out even absorption to the sewage of preliminary treatment case 11.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (9)

1. A powerful combination method for treating micro-polluted water is characterized by comprising the following steps:

step 1: the wastewater to be treated enters a pretreatment region, and the pretreatment region is filled with an adsorption material to carry out primary adsorption and precipitation on system inlet water;

step 2: pumping the wastewater after the pretreatment adsorption and purification into a first degradation area through a lifting pump for oxidation treatment;

and 3, step 3: the wastewater is treated by low-temperature plasma technology from top to bottom in the first degradation area, overflows into a buffer area filled with filler below, and enters into a second degradation area for biochemical treatment after natural oxygenation; so that the small molecular organic matters are further decomposed and mineralized under the action of the flora;

and 4, step 4: the wastewater treated in the biochemical section flows through the materialization area of the phosphorus removal brick, and is discharged after phosphorus is removed through the materialization of the phosphorus removal brick.

2. The powerful combined method for treating the micro-polluted water body according to claim 1, wherein the filler adsorption area 1 is filled with an adsorption material taking physical adsorption as a core, and the adsorption material comprises an attapulgite material, volcanic rock, activated carbon, zeolite and a molecular sieve.

3. The powerful combined method for treating micro-polluted water body according to claim 1, wherein the buffer zone comprises a water distribution filler A zone (3) and a water distribution filler B zone (4), the filler A comprises pall rings and Raschig rings; the filler B comprises volcanic rock and retinervus Luffae fructus.

4. The combined method for remediating a micro-polluted water body as claimed in claim 1, wherein the residence time of the pretreatment unit is controlled to be 1-2 hours.

5. A powerful combined method for remediating micro-polluted water as claimed in claim 1, wherein in step 1, the adsorbing material is installed in a filling plate (15), and the filling plate (15) is a filling bin (26) which is formed by a first shell (24) and a second shell (25) and has an annular cross section and an oval cross section and is formed by enclosing the first shell and the second shell.

6. A powerful combined method for remediating micro-polluted water as claimed in claim 5, wherein the filling plate (15) is arranged on a rotating frame, the filling plate (15) rotates along the pretreatment tank (11), and the filling plate (15) is switched; when the adsorbing materials in one filling plate (15) work for a long time and reach a saturated state, the rotating frame (12) is rotated, so that the filling plate (15) in the saturated state rotates to the upper side, the filling materials are replaced, and the unused filling plate (15) correspondingly enters sewage to be subjected to adsorption treatment.

7. The powerful combined method for treating micro-polluted water according to claim 6, wherein the rotating frame is provided with a shaking assembly, and the shaking assembly is used for driving the filling plate (15) to circularly rotate along the inner cavity of the pretreatment tank (11).

8. The powerful combination method for remedying the micro-polluted water according to claim 7, wherein the output end of the air cylinder (17) of the shaking assembly is connected with the movable plate (18), the two sides of the movable plate (18) are elastically and telescopically provided with the jackets (20), the jackets (20) are matched with the clamping grooves of the connecting frame (21) installed on the rotating frame, and the connecting frame (21) is used for installing the filling plate (15).

9. A powerful combined method for remediating micro-polluted water as claimed in claim 8, wherein the jacket (20) is magnetically connected to the connecting frame (21).

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