CN115340161A - Pharmaceutical wastewater treatment device - Google Patents

Pharmaceutical wastewater treatment device Download PDF

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Publication number
CN115340161A
CN115340161A CN202210890496.9A CN202210890496A CN115340161A CN 115340161 A CN115340161 A CN 115340161A CN 202210890496 A CN202210890496 A CN 202210890496A CN 115340161 A CN115340161 A CN 115340161A
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CN
China
Prior art keywords
treatment
bottom plate
treatment box
plate
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210890496.9A
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Chinese (zh)
Inventor
马洁
王南
丛靓
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.)
Jilin University
Original Assignee
Jilin University
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 Jilin University filed Critical Jilin University
Priority to CN202210890496.9A priority Critical patent/CN115340161A/en
Publication of CN115340161A publication Critical patent/CN115340161A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention discloses a pharmaceutical wastewater treatment device, and relates to the technical field of wastewater treatment equipment. The invention comprises the following steps: a base; the top of the treatment box is in an opening shape, the treatment box is fixed on the base, a drain hole is formed in the bottom of one side of the treatment box, a filter plate is fixedly installed in the drain hole, and a ball valve is installed on the treatment box and used for plugging or removing the plug of the drain hole; a bottom plate slidably mounted within the treatment tank along an open end of the treatment tank; and the driving component is arranged on the base and connected with the bottom plate, and the driving component is used for enabling the bottom plate to slide or stop sliding in the treatment box. The invention can clean the flocculated sundries remained in the treatment tank, thereby not needing the workers to manually clean the flocculated sundries remained in the treatment tank, reducing the workload of the workers, improving the working efficiency of the workers and being beneficial to the popularization and the use of equipment.

Description

Pharmaceutical wastewater treatment device
Technical Field
The invention relates to the technical field of wastewater treatment equipment, in particular to a pharmaceutical wastewater treatment device.
Background
The pharmaceutical wastewater has complex composition, various organic pollutants, high concentration, deep chromaticity, high content of suspended solid, high COD concentration and large fluctuation of influent COD (chemical oxygen demand) and is one of industrial wastewater difficult to treat, the threat of the pharmaceutical wastewater to ecological environment and human health is increasingly serious, along with the strict control of the state on the sewage discharge of pharmaceutical industry and the special discharge standards required by different sensitive areas, various governments have also put out a series of policies and plans for energy conservation and emission reduction in succession, the effluent has higher requirements after the pharmaceutical wastewater treatment, so the effluent generated by pharmacy can be discharged after being treated, at present, when the pharmaceutical wastewater is treated, a flocculating agent is added into the wastewater to flocculate the wastewater, when the flocculated impurities are cleaned, the impurities and the effluent after the flocculation in the treatment tank are filtered, so that the impurities and the water are separated, the flocculated impurities are cleaned, the manner can effectively separate the impurities from the water, but the impurities after the impurities are difficult to be discharged from the treatment tank, thereby the impurities and the water in the treatment tank are difficult to be cleaned, and the impurities in the flocculation work of the flocculation treatment tank is not left in the flocculation treatment staff, thereby the flocculation work of the flocculation of the existing flocculation treatment tank is increased.
Disclosure of Invention
The invention aims to: in order to solve the problems in the background art, the invention provides a pharmaceutical wastewater treatment device.
The invention specifically adopts the following technical scheme for realizing the purpose:
a pharmaceutical wastewater treatment device, comprising:
a base;
the top of the treatment box is open, the treatment box is fixed on the base, a drain hole is formed in the bottom of one side of the treatment box, a filter plate is fixedly installed in the drain hole, and a ball valve is installed on the treatment box and used for plugging or unplugging the drain hole;
a bottom plate slidably mounted within the treatment tank along an open end of the treatment tank;
the driving assembly is arranged on the base and connected with the bottom plate, and the driving assembly is used for enabling the bottom plate to slide or stop sliding in the treatment box;
the push pedal, set firmly on the bottom plate and be vertical to the stand, set firmly on the stand and be the level to the guide bar, the push pedal is followed the axis direction slidable mounting of guide bar is in on the guide bar, just push pedal bottom with the bottom plate is laminated mutually.
Further, the drive assembly includes:
the threaded rod is vertically and rotatably arranged on the treatment box, one end of the threaded rod penetrates through the bottom of the treatment box, and the threaded rod is in threaded connection with the bottom plate;
the driving piece is installed on the base and is connected with the threaded rod, and the driving piece is used for enabling the threaded rod to rotate or stop rotating on the processing box.
Further, the driving member includes:
and the motor is fixedly installed on the base, and an output shaft of the motor is connected with the threaded rod through a bevel gear component.
Further, the method also comprises the following steps:
the linkage, it is installed handle on the case and with the push pedal is connected, works as the bottom plate is in when handling the incasement and sliding, through the linkage so that the push pedal is in slide along its axis direction on the guide bar, and works as the bottom plate is followed when handling the case and sliding to its top, through the linkage so that the push pedal is in slide to keeping away from on the guide bar the one end of stand.
Further, the interlock spare includes:
the fixed column is fixedly arranged on the treatment box;
and the hinged rod is hinged to the fixed column, and the free end of the hinged rod is hinged to the push plate.
Furthermore, a collecting box is arranged on the base and positioned on one side of the treatment box.
Further, one side of the top of the treatment box, which is close to the collection box, is an arc surface.
Further, the method also comprises the following steps:
the frame plate is fixedly arranged on the upright post;
the stirring rod is vertically and rotatably arranged on the frame plate;
and the driving piece is arranged on the frame plate and is connected with the stirring rod, and the driving piece is used for enabling the stirring rod to rotate on the frame plate.
Further, the driving part comprises a motor fixedly mounted on the frame plate through screws, and an output shaft of the motor is coaxially and fixedly connected with the stirring rod.
The invention has the following beneficial effects: according to the invention, through arranging the base, the treatment box, the drain hole, the filter plate, the bottom plate, the driving assembly, the push plate, the guide rod and the upright column, flocculated sundries remained in the treatment tank can be cleaned, so that workers do not need to manually clean the flocculated sundries remained in the treatment tank, the workload of the workers is reduced, the working efficiency of the workers is improved, and the popularization and the use of equipment are facilitated.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective semi-sectional view of the structure of the present invention;
FIG. 3 is a perspective half-sectional view of another construction of the present invention;
FIG. 4 is a perspective half-sectional view of yet another construction of the present invention;
FIG. 5 is a schematic view of a portion of the structure of the present invention;
FIG. 6 is another schematic view of a portion of the present invention;
FIG. 7 is an exploded view of the structure of the present invention;
reference numerals: 1. a base; 2. a treatment tank; 3. a drain hole; 4. a filter plate; 5. a base plate; 6. a drive assembly; 601. a threaded rod; 602. a drive member; 6021. a motor; 6022. a bevel gear assembly; 7. pushing a plate; 8. a guide bar; 9. a column; 10. a linkage member; 1001. fixing a column; 1002. a hinged lever; 11. a collection box; 12. a frame plate; 13. a stirring rod; 14. an actuating member; 1401. an electric motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.
As shown in fig. 1 to 7, a pharmaceutical wastewater treatment apparatus according to an embodiment of the present invention includes: a base 1; the top of the treatment box 2 is open, the treatment box 2 is fixed on the base 1, the bottom of one side of the treatment box 2 is provided with a drain hole 3, a filter plate 4 is fixedly arranged in the drain hole 3, and the treatment box 2 is provided with a ball valve which is used for plugging the drain hole 3 or cancelling plugging; a bottom plate 5 slidably mounted in the treatment tank 2 along the open end of the treatment tank 2, wherein: the outer side wall of the bottom plate 5 is attached to the inner side wall of the treatment box 2, and when the bottom plate 5 is attached to the inner bottom wall of the treatment box 2, the bottom plate 5 is located below the drain hole 3, as shown in fig. 2 and 4; a driving component 6 which is arranged on the base 1 and is connected with the bottom plate 5, wherein the driving component 6 is used for enabling the bottom plate 5 to slide or stop sliding in the processing box 2; push pedal 7 has set firmly on the bottom plate 5 and is vertical to stand 9, has set firmly on the stand 9 and is the level to guide bar 8, and push pedal 7 is along the axis direction slidable mounting of guide bar 8 on guide bar 8, and what need explain is: in this embodiment, a limit block is fixedly arranged at one end of the guide rod 8 far away from the upright post 9, a limit groove is constructed on the push plate 7, when the push plate 7 slides to the end part of the guide rod 8, the limit block is positioned in the limit groove and limits the push plate 7, the situation that the push plate 7 slips from the guide rod 8 is avoided, the bottom of the push plate 7 is attached to the bottom plate 5, when the ball valve is closed, the drain hole 3 is blocked, the pretreated pharmaceutical wastewater enters the treatment tank 2, a flocculating agent is added into the pretreated pharmaceutical wastewater in the treatment tank 2, the pharmaceutical wastewater and the flocculating agent are fully mixed, impurities in the pharmaceutical wastewater are flocculated, the ball valve is opened after flocculation is completed, the flocculated wastewater in the treatment tank 2 is discharged from the drain hole 3, the filter plate 4 is fixedly arranged in the drain hole 3, when the flocculated wastewater in the treatment tank 2 is discharged, impurities in the flocculation tank 2 are filtered, the impurities in the impurities are positioned in the treatment tank 2, the impurities are completely discharged from the bottom plate 5 through the sliding rod 5, the guide rod 2, the bottom plate 5 is positioned at the top of the vertical sliding rod 2, the vertical sliding rod and the bottom plate 5, the bottom plate 2, the bottom plate 5 is positioned on the vertical sliding rod 2, the vertical rod and the vertical rod 2, the bottom plate 5, at the moment, the push plate 7 slides on the guide rod 8 towards one end far away from the stand column 9, and the bottom of the push plate 7 is attached to the bottom plate 5, so that sundries on the bottom plate 5 can be scraped, and the sundries on the bottom plate 5 can be cleaned.
As shown in fig. 2, 5 and 7, in some embodiments, the drive assembly 6 includes: threaded rod 601, it is vertical to just rotate to install on handling case 2, and the one end of threaded rod 601 runs through and handles 2 bottoms of case, and threaded rod 601 and 5 threaded connection of bottom plate, the ones that need to explain are: in the embodiment, the threaded rod 601 is in threaded connection with both the upright 9 and the bottom plate 5; driving piece 602, it is installed on base 1 and is connected with threaded rod 601, driving piece 602 is used for making threaded rod 601 go on handling case 2 and rotate or stall, when using, make threaded rod 601 go on handling case 2 through driving piece 602 and rotate, because threaded rod 601 and 5 threaded connection of bottom plate, thereby can realize making bottom plate 5 slide along its open end in handling case 2, when needs are fixed to the position of bottom plate 5, make threaded rod 601 stall on handling case 2 through driving piece 602, because threaded rod 601 and 5 threaded connection of bottom plate have auto-lock nature, therefore, bottom plate 5 can not slide in handling case 2, thereby can fix the position of bottom plate 5.
As shown in fig. 2, 5 and 7, in some embodiments, the driver 602 includes: the motor 6021 is fixedly mounted on the base 1, an output shaft of the motor 6021 is connected with the threaded rod 601 through a bevel gear assembly 6022, and what needs to be described is as follows: the bevel gear assembly 6022 comprises two bevel gears which are meshed with each other, wherein one bevel gear is fixedly connected with an output shaft of the motor 6021 in a coaxial manner, the other bevel gear is fixedly connected with the threaded rod 601 in a coaxial manner, the motor 6021 is powered by municipal electricity or a storage battery, when the treatment box 2 is used, the motor 6021 is controlled to be started when the bottom plate 5 slides in the treatment box 2, the output shaft of the motor 6021 rotates to drive the bevel gear fixedly arranged on the output shaft to rotate, so that the threaded rod 601 is driven to rotate on the treatment box 2 through the other bevel gear which is meshed with the motor 6021, the bottom plate 5 slides in the treatment box 2, when the position of the bottom plate 5 needs to be fixed, the motor 6021 is controlled to be stopped, the output shaft of the motor 6021 stops rotating, so that the threaded rod 601 does not rotate on the treatment box 2, and the position of the bottom plate 5 can be fixed.
As shown in fig. 1 and 3, in some embodiments, further comprising: the linkage part 10 is installed on the treatment box 2 and connected with the push plate 7, when the bottom plate 5 slides in the treatment box 2, the linkage part 10 enables the push plate 7 to slide on the guide rod 8 along the axis direction of the guide rod 7, and when the bottom plate 5 slides to the top of the treatment box 2 along the treatment box, the linkage part 10 enables the push plate 7 to slide to one end far away from the upright post 9 on the guide rod 8.
As shown in fig. 3, 6, and 7, in some embodiments, the linkage 10 includes: a fixing column 1001 fixed to the processing chamber 2; hinge bar 1002, it articulates on fixed column 1001, and hinge bar 1002's free end is articulated mutually with push pedal 7, when using, make bottom plate 5 along handling case 2 when sliding to its top, because fixed column 1001 sets firmly on handling case 2, it has hinge bar 1002 to articulate on the fixed column 1001, and hinge bar 1002's the other end is articulated mutually with push pedal 7, at this moment, hinge bar 1002 rotates around self pin joint on fixed column 1001, and take place to rotate between hinge bar 1002 and the push pedal 7, thereby can promote push pedal 7 to sliding to the one end of keeping away from stand 9 on guide bar 8.
As shown in fig. 1 and 7, in some embodiments, a collecting box 11 is disposed on the base 1 and at one side of the treatment box 2, and in this embodiment, through the design of the collecting box 11, when the push plate 7 pushes the sundries on the bottom plate 5 to the outside of the treatment box 2, the sundries can directly fall into the collecting box 11, so that the flocculated sundries can be conveniently collected and treated by workers, preferably, a limiting groove is formed at one side of the treatment box 2 on the base 1, and the collecting box 11 is disposed in the limiting groove and can limit the collecting box 11.
As shown in FIG. 7, in some embodiments, the top of the treatment box 2 and the side close to the collection box 11 are curved, and in this embodiment, by the design that the top of the treatment box 2 and the side close to the collection box 11 are curved, when the push plate 7 pushes the sundries on the bottom plate 5 to the outside of the treatment box 2, the sundries can slide into the collection box 11 along the curved surface of the top of the treatment box 2, thereby effectively avoiding the sundries from remaining on the top of the treatment box 2.
As shown in fig. 1, 3 and 4, in some embodiments, further comprising: a frame plate 12 fixedly mounted on the upright 9; the stirring rod 13 is vertically and rotatably arranged on the frame plate 12; order to order about 14, it is installed on frame plate 12 and is connected with puddler 13, order about 14 and be used for making puddler 13 rotate on frame plate 12, in this embodiment, through puddler 13's design, to after adding the flocculating agent in the pharmacy waste water through preliminary treatment in the processing case 2, make puddler 13 rotate on frame plate 12 through order about 14 to pharmaceutical waste water stirs in processing case 2, thereby improved the pharmacy waste water and the flocculating agent mixing velocity in processing case 2, it is specifically to explain: in this embodiment, since the shelf 12 is fixedly mounted on the upright 9 and the upright 9 is fixedly mounted on the bottom plate 5, the presence of the agitator arm 13 does not affect the smooth sliding of the bottom plate 5 within the treatment tank 2.
As shown in fig. 2 and fig. 7, in some embodiments, the actuating member 14 includes a motor 1401 fixedly mounted on the frame plate 12 by screws, and an output shaft of the motor 1401 is coaxially and fixedly connected with the stirring rod 13, and it should be noted that: the motor 1401 is powered by municipal electricity or a storage battery, and when the electric kettle is used, the motor 1401 is controlled to be started, and the output shaft of the motor 1401 rotates so as to drive the stirring rod 13 to rotate on the frame plate 12.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A pharmaceutical wastewater treatment apparatus, comprising:
a base (1);
the top of the treatment box (2) is open, the treatment box (2) is fixed on the base (1), a drain hole (3) is formed in the bottom of one side of the treatment box (2), a filter plate (4) is fixedly installed in the drain hole (3), and a ball valve is installed on the treatment box (2) and used for plugging or unblocking the drain hole (3);
a bottom plate (5) slidably mounted within the treatment tank (2) along an open end of the treatment tank (2);
a driving component (6) which is arranged on the base (1) and is connected with the bottom plate (5), wherein the driving component (6) is used for enabling the bottom plate (5) to slide or stop sliding in the treatment box (2);
push pedal (7), be equipped with on bottom plate (5) and be vertical to stand (9), be equipped with on stand (9) and be level to guide bar (8), push pedal (7) are followed the axis direction slidable mounting of guide bar (8) is in on guide bar (8), just push pedal (7) bottom with bottom plate (5) laminate mutually.
2. A pharmaceutical wastewater treatment plant according to claim 1, characterized in that said driving assembly (6) comprises:
the threaded rod (601) is vertically and rotatably mounted on the treatment box (2), one end of the threaded rod (601) penetrates through the bottom of the treatment box (2), and the threaded rod (601) is in threaded connection with the bottom plate (5);
the driving piece (602) is installed on the base (1) and connected with the threaded rod (601), and the driving piece (602) is used for enabling the threaded rod (601) to rotate or stop rotating on the treatment box (2).
3. A pharmaceutical wastewater treatment plant according to claim 2, wherein the drive member (602) comprises:
and the motor (6021) is fixedly arranged on the base (1), and an output shaft of the motor (6021) is connected with the threaded rod (601) through a bevel gear component (6022).
4. The pharmaceutical wastewater treatment apparatus according to claim 1, further comprising:
the linkage piece (10) is installed on the treatment box (2) and connected with the push plate (7), when the bottom plate (5) slides in the treatment box (2), the linkage piece (10) enables the push plate (7) to slide on the guide rod (8) along the axis direction of the push plate, and when the bottom plate (5) slides to the top of the treatment box (2), the linkage piece (10) enables the push plate (7) to slide on the guide rod (8) to one end far away from the upright post (9).
5. A pharmaceutical wastewater treatment device according to claim 4, wherein the linkage (10) comprises:
a fixing column (1001) which is fixedly arranged on the processing box (2);
the hinge rod (1002) is hinged to the fixing column (1001), and the free end of the hinge rod (1002) is hinged to the push plate (7).
6. A pharmaceutical wastewater treatment plant according to claim 1, characterized in that a collecting tank (11) is arranged on the base (1) at one side of the treatment tank (2).
7. A pharmaceutical waste water treatment apparatus according to claim 6, characterized in that the top of the treatment tank (2) and the side close to the collection tank (11) is a cambered surface.
8. The pharmaceutical wastewater treatment apparatus according to claim 1, further comprising:
a frame plate (12) fixedly mounted on the upright (9);
the stirring rod (13) is vertically and rotatably arranged on the frame plate (12);
the driving piece (14) is installed on the frame plate (12) and connected with the stirring rod (13), and the driving piece (14) is used for enabling the stirring rod (13) to rotate on the frame plate (12).
9. A pharmaceutical wastewater treatment apparatus according to claim 8, wherein said driving member (14) comprises a motor (1401) fixedly mounted on said frame plate (12) by screws, and an output shaft of said motor (1401) is coaxially fixed to said stirring rod (13).
CN202210890496.9A 2022-07-27 2022-07-27 Pharmaceutical wastewater treatment device Pending CN115340161A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210890496.9A CN115340161A (en) 2022-07-27 2022-07-27 Pharmaceutical wastewater treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210890496.9A CN115340161A (en) 2022-07-27 2022-07-27 Pharmaceutical wastewater treatment device

Publications (1)

Publication Number Publication Date
CN115340161A true CN115340161A (en) 2022-11-15

Family

ID=83949442

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210890496.9A Pending CN115340161A (en) 2022-07-27 2022-07-27 Pharmaceutical wastewater treatment device

Country Status (1)

Country Link
CN (1) CN115340161A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116282744A (en) * 2023-04-11 2023-06-23 中国建筑一局(集团)有限公司 Pharmaceutical wastewater treatment system and application method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116282744A (en) * 2023-04-11 2023-06-23 中国建筑一局(集团)有限公司 Pharmaceutical wastewater treatment system and application method thereof

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