CN113307446B - Bendable and telescopic water treatment system - Google Patents

Bendable and telescopic water treatment system Download PDF

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Publication number
CN113307446B
CN113307446B CN202110555168.9A CN202110555168A CN113307446B CN 113307446 B CN113307446 B CN 113307446B CN 202110555168 A CN202110555168 A CN 202110555168A CN 113307446 B CN113307446 B CN 113307446B
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China
Prior art keywords
rod
treatment
compartment
corrugated hose
water
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CN202110555168.9A
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Chinese (zh)
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CN113307446A (en
Inventor
黑亮
黄徐
陈文龙
郑江丽
龙晓飞
朱小平
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Pearl River Hydraulic Research Institute of PRWRC
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Pearl River Hydraulic Research Institute of PRWRC
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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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • 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
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/14—NH3-N
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/16—Total nitrogen (tkN-N)
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/22—O2
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

The invention relates to a bendable and telescopic water treatment system, which comprises a water inlet unit, a water treatment unit and a telescopic unit, wherein the water inlet unit is connected with the water treatment unit; the water treatment unit comprises a plurality of treatment cabins which are connected in series, and each treatment cabin is connected with each other by the telescopic unit; the telescopic unit comprises a first telescopic device and a corrugated hose, and the corrugated hose is arranged at the rear part of each treatment compartment and is connected with two adjacent treatment compartments; the first telescopic device is arranged above and/or below the treatment compartment and corresponds to the position of the corrugated hose; the first telescopic device regulates and controls the length and the bending radian of the corrugated hose through the expansion and contraction of the length of the first telescopic device and the change of a deflection angle in the horizontal direction.

Description

Bendable and telescopic water treatment system
Technical Field
The invention belongs to the technical field of riverway water environment treatment, and particularly relates to a bendable and telescopic water treatment system.
Background
With the development of modern water environment treatment technology, treatment and maintenance of lakes, rivers, reservoirs and urban water environment landscapes are greatly improved. Particularly, river regulation work closely related to the life of people is an important part for improving water quality, preventing stink and conserving water sources. At present, river polluted water body treatment mainly aims at water areas with smooth water flow and good hydrodynamic force, and related water treatment systems are designed aiming at the water areas. However, in the turning areas of the river or the water areas of the turning canals, the water pollution conditions in these areas are serious due to the characteristics of weak hydrodynamic force, unsmooth water flow, easy accumulation of pollutants and the like. Most sewage treatment systems on the market are not easy to arrange at the river inflection point. In addition, the existing sewage treatment can not flexibly change the hydraulic retention time of the water area with large flow velocity difference in the withered water period.
Disclosure of Invention
In view of the above problems, the present invention provides a bendable and telescopic water treatment system, which includes a water inlet unit, a water treatment unit and a telescopic unit, wherein the water inlet unit is connected to the water treatment unit; the water treatment unit comprises a plurality of treatment cabins which are connected in series, and each treatment cabin is connected with each other by the telescopic unit;
the telescopic unit comprises a first telescopic device and a corrugated hose, and the corrugated hose is arranged at the rear part of each treatment compartment and is connected with two adjacent treatment compartments; the first telescopic device is arranged above and/or below the treatment compartment and corresponds to the position of the corrugated hose; the first telescopic device regulates and controls the length and the bending radian of the corrugated hose through the expansion and contraction of the length of the first telescopic device and the change of a deflection angle in the horizontal direction.
Optionally, the water inlet unit comprises a water inlet and a regulating reservoir, one end of the water inlet is communicated with an external water body, and the other end of the water inlet is connected with the regulating reservoir.
Optionally, the adjusting tank is connected with the water treatment unit through the first filter wall, that is, the water inlet unit is connected with the water treatment unit through the first filter wall.
The water treatment unit comprises a plurality of treatment cabins which are connected in series, and each treatment cabin is connected with each other through a corrugated hose. Optionally, the treatment section comprises a filter wall and at least one baffle, wherein the filter wall is arranged at the front end of the treatment section and is used for physically separating the treatment section from the water inlet unit or an adjacent treatment section; the baffle is arranged in the treatment section, and the top of the baffle is fixedly connected with the top plate of the treatment section, or the bottom of the baffle or the bottom plate of the treatment section, so that water flow in the treatment section can flow through the bottom or the top of the baffle.
Optionally, the filter wall is provided with a plurality of through holes, so that sewage can enter the treatment compartment from the through holes; the material of the filter wall comprises an adsorbing material.
As a specific implementation mode, two baffles are arranged in the treatment section compartment, the treatment section compartment is divided into three sections in the length direction, the bottom of the first baffle is fixedly connected with the bottom plate of the treatment section compartment, the top of the second baffle is fixedly connected with the top plate of the treatment section compartment, and the baffles are not provided with through holes and allow water in the treatment section compartment to flow through the top of the first baffle firstly and then flow through the bottom of the second baffle.
Optionally, an aeration device is arranged at the bottom of the treatment compartment.
Optionally, the inside of the treatment compartment is provided with a microorganism carrier.
Optionally, the first telescopic device comprises a first outer rod, a first inner rod and two rotary tables, the first outer rod is hollow, a plurality of spaced buckles are arranged inside the first outer rod, a plurality of clamping grooves are formed in the outer wall of the first inner rod corresponding to the buckles, and the two rotary tables are respectively arranged at the front part of the first inner rod and the rear part of the first outer rod; first interior pole is preceding, first outer pole after, both end to end, and first interior pole can get into the inside of first outer pole to adjust the total length of first outer pole and first interior pole.
Optionally, the first inner rod and the first outer rod can horizontally rotate on the respective turntables, and the rotation directions of the first inner rod and the first outer rod are opposite, so that the first inner rod can freely stretch out and draw back inside the first outer rod.
Optionally, the corrugated hose is arranged at the tail part of the treatment compartment and connected between the tail end of the wall surface of the treatment compartment and the filter wall of the adjacent treatment compartment.
Optionally, the telescopic unit comprises a second telescopic device, the second telescopic device is arranged at the upper part in the corrugated hose, the second telescopic device comprises a second inner rod, a second outer rod, a first fixing rod and a second fixing rod, and the second outer rod is hollow; the first fixed rod is arranged at the rear part of the top of the rigid wall surface of the treatment compartment, and the second fixed rod is arranged at the top of the side surface of the filter wall of the adjacent next treatment compartment facing the treatment compartment; the front end of the second inner rod is connected with the first fixing rod, and the rear end of the second inner rod can stretch out and draw back in the second outer rod, so that the total length of the second outer rod and the second inner rod is adjusted; the front part of the second outer rod is connected with the second inner rod, and the rear end of the second outer rod is connected with a second fixed rod; the second inner bar and the second outer bar are parallel to the corrugated hose.
The second inner rod and the second outer rod are made of flexible materials, so that the second inner rod and the second outer rod can be bent along with the bending of the corrugated hose.
Optionally, the lower of pole and/or the pole in the second is equipped with a plurality of detachable vortex stick outside the second, pole and/or the pole in the second outside the second is connected to the top of vortex stick, and perpendicular to pole and/or the pole in the second outside the second, is equipped with a plurality of detachable vortex tooth on the vortex stick.
Optionally, the telescopic unit comprises a third telescopic device, the third telescopic device is arranged at the bottom inside the corrugated hose, the third telescopic device comprises a third inner rod, a third outer rod, a third fixed rod and a fourth fixed rod, and the third outer rod is hollow; the third fixed rod is arranged at the rear part of the bottom of the rigid wall surface of the treatment compartment, and the fourth fixed rod is arranged at the bottom of the side surface of the filter wall of the adjacent next treatment compartment facing the treatment compartment; the front end of the third inner rod is connected with a third fixed rod, and the rear end of the third inner rod can stretch out and draw back in the third outer rod, so that the total length of the third outer rod and the third inner rod is adjusted; the front part of the third outer rod is connected with a third inner rod, and the rear end of the third outer rod is connected with a fourth fixed rod; the third inner bar and the third outer bar are parallel to the corrugated hose.
The third inner rod and the third outer rod are made of flexible materials, so that the third inner rod and the third outer rod can be bent along with the bending of the corrugated hose.
Optionally, a plurality of detachable stirring wheels are arranged below the third outer rod and/or the third inner rod.
Optionally, the water treatment system further comprises an automatic bacteria scattering device, the automatic bacteria scattering device comprises a bacteria liquid box, a timing pump and a bacteria spray, the bacteria liquid box, the timing pump and the bacteria spray are sequentially connected through a pipeline, and the bacteria liquid box and the timing pump are arranged above the treatment compartment; the bacteria sprinkle is arranged at the upper part in the treatment compartment.
Optionally, the water treatment system further comprises a buoyancy member provided outside the water treatment system for preventing the water treatment system from being completely submerged in water.
Optionally, the water treatment system further comprises a solar panel, and the solar panel is fixed above the buoyancy member and provides power for electric equipment of the water treatment system.
Drawings
Fig. 1 is a schematic structural diagram of a water treatment system according to this embodiment.
Fig. 2 is a side view structural diagram of the water treatment system according to the embodiment.
Fig. 3 is a schematic structural diagram of the first telescopic device.
Fig. 4 is a schematic structural view of the second and third telescopic devices.
Fig. 5 is a schematic structural view of the second telescopic device.
Fig. 6 is a schematic structural view of a third telescopic device.
In the attached drawings, 1 is a water inlet; 2. a water outlet; 3. a buoyant member; 4. a solar panel; 5. a sealing plug; 6. a bacteria liquid box; 7. a booster pump; 8. bacteria sprinkling; 9. a first telescoping device; 10. a regulating tank; 11. a primary treatment compartment; 12. a secondary treatment compartment; 13. a third-stage treatment compartment; 14. a corrugated hose; 15. a first filter wall; 1501. a second filter wall; 16. an aeration device; 17. a baffle plate; 1701. a first baffle plate; 1702. a second baffle plate; 18. a sludge discharge port; 19. a timing pump; 20. a bacterium conveying pipe; 21. a microbial carrier; 22. a first inner bar; 23. a first outer rod; 24. buckling; 25. a turntable; 26. a second telescoping device; 2601. a second inner bar; 2602. a second outer pole; 2603. a first fixing lever; 2604. a second fixing bar; 2605. a turbulence bar; 2606. turbulence teeth; 2607. a first slide rail; 27. a third telescoping device; 2701. a third inner bar; 2702. a third outer bar; 2703. a third fixing bar; 2704. a fourth fixing bar; 2705. a stirring wheel; 2706. stirring teeth; 2707. a second slide rail.
Detailed Description
The embodiment provides a bendable and telescopic water treatment system, as shown in fig. 1-4, which includes a water inlet unit, a water treatment unit, and a telescopic unit, wherein the water inlet unit is connected to the water treatment unit; the water treatment unit comprises a plurality of treatment cabins which are connected in series, and each treatment cabin is connected with each other by the telescopic unit;
the telescopic unit comprises a first telescopic device 9 and a corrugated hose 14, wherein the corrugated hose 14 is arranged at the rear part of each treatment compartment and is used for connecting two adjacent treatment compartments;
the first telescopic device 9 is arranged above and/or below the treatment section compartment and corresponds to the position of the corrugated hose 14; the first telescopic device 9 regulates the length and the bending radian of the corrugated hose 14 through the expansion and contraction of the length of the first telescopic device and the change of the deflection angle in the horizontal direction.
Optionally, the water inlet unit includes water inlet 1 and equalizing basin 10, and the one end intercommunication external water of water inlet 1 promptly communicates the interior water in the river course, and equalizing basin 10 is connected to the other end, and is leading-in river course sewage water treatment system, equalizing basin 10 is used for adjusting the quality of water of intaking.
Optionally, a water pump is arranged on the water inlet side of the water inlet 1 and used for pumping the water body in the river channel into the water treatment system when the hydrodynamic force is extremely weak; the water inlet side of the water inlet 1 is provided with a filtering device for preliminarily removing a large amount of sludge in the inlet water.
Optionally, the adjusting tank 10 is provided with a sludge discharge port for discharging sludge or river mud settled in the adjusting tank 10.
Optionally, the adjusting tank 10 is connected to the water treatment unit through the first filtering wall 15, that is, the water inlet unit is connected to the water treatment unit through the first filtering wall 15.
The water treatment unit comprises a plurality of treatment compartments connected in series with each other, each treatment compartment being connected by a corrugated hose 14. Optionally, the treatment throttling chamber comprises a filter wall and at least one baffle 17, wherein the filter wall is arranged at the front end of the treatment throttling chamber and is used for physically separating the treatment throttling chamber from the water inlet unit or an adjacent treatment throttling chamber; the baffle 17 is arranged inside the treatment section compartment, and the top of the baffle 17 is fixedly connected with the top plate of the treatment section compartment, or the bottom of the baffle 17 or the bottom plate of the treatment section compartment, so that water flow in the treatment section compartment can flow through the bottom or the top of the baffle 17 to prolong hydraulic retention time.
Optionally, the filter wall is provided with a plurality of through holes, so that sewage can enter the treatment compartment from the through holes; the material of the filter wall comprises an adsorption material used for adsorbing pollutants in water, wherein the adsorption material is selected from one or the combination of more than two of green zeolite, biochar, silica gel, alumina or molecular sieve. In actual use, the adsorbing material can be replaced periodically to achieve the best treatment effect. The filter wall can adsorb large-particle pollutants and chromaticity, and meanwhile, the filter walls of different treatment compartments can adsorb microorganisms to form a microbial film, so that the treatment efficiency is effectively improved.
Optionally, the treatment compartment further comprises partition plates, the partition plates are arranged on two sides of the filter wall, and through holes are formed in the positions, corresponding to the through holes of the filter wall, of the partition plates, so that sewage enters and passes through the filter wall. When in use, the two partition plates are fixed firstly, and then the adsorbing material is filled between the two partition plates to form a filter wall, so that the adsorbing material is convenient to replace,
as a specific implementation mode, a baffle 17 is arranged inside the treatment compartment, the treatment compartment is divided into two sections in the length direction, the bottom of the baffle 17 is fixedly connected with the bottom plate of the treatment compartment, two sides of the baffle 17 are connected with the side walls of the treatment compartment, the baffle 17 is not provided with a through hole, water flow in the treatment compartment can only flow through the top of the baffle 17, the flow path is increased, and the hydraulic retention time of sewage in the treatment compartment is prolonged.
As another specific embodiment, a baffle 17 is arranged in the treatment section compartment, the treatment section compartment is divided into two sections in the length direction, the top of the baffle 17 is fixedly connected with the top plate of the treatment section compartment, two sides of the baffle 17 are connected with the side walls of the treatment section compartment, and the baffle 17 is not provided with a through hole, so that water flow in the treatment section compartment can only flow through the bottom of the baffle 17.
As another specific implementation mode, two baffles 17 are arranged inside the treatment section compartment, the treatment section compartment is divided into three sections in the length direction, the bottom of the first baffle 1701 is fixedly connected with the bottom plate of the treatment section compartment, the top of the second baffle 1702 is fixedly connected with the top plate of the treatment section compartment, both sides of the first baffle 1701 and the second baffle 1702 are connected with the side wall of the treatment section compartment, and the baffles are not provided with through holes, so that water in the treatment section compartment can flow through the top of the first baffle 1701 and then flow through the bottom of the second baffle 1702, and the hydraulic retention time of sewage in the treatment section compartment is prolonged.
According to the pollution condition of the river water body, through the arrangement of the baffle 17, the flow of the sewage in the treatment compartment is reasonably designed, the hydraulic retention time is prolonged, and the treatment effect is improved. Meanwhile, the growth time and the growth environment of microorganisms can be effectively improved, so that a microbial film is formed.
Optionally, an aeration device 16 is arranged at the bottom of the treatment compartment to increase the dissolved oxygen content in the treatment compartment and provide sufficient oxygen for the growth of microorganisms. The aeration device 16 is connected to an external gas supply device, such as a compressed air storage tank, through a pipe.
Optionally, a microorganism carrier 21 is arranged inside the treatment compartment, so as to provide a stable growth environment for microorganisms and prevent the microorganisms from being washed away by water flow, the microorganism carrier 21 is common microorganism carriers in the market, such as polyurethane sponge filler, and the addition amount is determined according to the actual pollution condition of the treated water body.
The corrugated hose 14 is arranged at the tail part of the treatment compartment and is connected between the tail end of the wall surface of the treatment compartment and the filter wall of the adjacent treatment compartment. Specifically, the front end of the corrugated hose 14 is connected to the tail end of the wall surface of the treatment compartment, and the rear end of the corrugated hose is connected to the filter wall or the partition plate on the filter wall of the adjacent treatment compartment, so that the wall of the corrugated hose 14 becomes the subsequent part of the wall surface of the treatment compartment, and the integrity of the treatment compartment is maintained. The invention designs the corrugated hose 14 to replace a hard wall surface of a part of treatment node box to form a flexible wall surface, can flexibly change the length and the bending angle of the treatment node box, is suitable for a turning area of a river channel or a water area of a curved channel, and regulates and controls the hydraulic retention time. Preferably, the corrugated hose 14 is an antiseptic corrugated hose, so as to prevent microorganisms from breeding in a large amount at the corrugated hose 14.
As a specific embodiment, the water treatment unit comprises three treatment compartments connected in series, namely a primary treatment compartment 11, a secondary treatment compartment 12 and a tertiary treatment compartment 13. The front part of the primary treatment compartment 11 is provided with a first filter wall 15, the first filter wall 15 physically separates the regulating tank 10 from the primary treatment compartment 11, and sewage in the regulating tank 10 enters the primary treatment compartment 11 through the first filter wall 15 for biological treatment; two baffles 17 are arranged in the primary treatment compartment 11, the primary treatment compartment 11 is divided into three sections in the length direction, the bottom of the first baffle 1701 is fixedly connected with the bottom plate of the primary treatment compartment 11, the top of the second baffle 1702 is fixedly connected with the top plate of the primary treatment compartment 11, the two sides of the first baffle 1701 and the second baffle 1702 are both connected with the side wall of the primary treatment compartment 11, the baffles are not provided with through holes, and water flow in the primary treatment compartment 11 is allowed to flow through the top of the first baffle 1701 and then flow through the bottom of the second baffle 1702, so that an S-shaped flow channel is formed; an aeration device 16 is arranged on the bottom plate of the primary treatment compartment 11 between the first filter wall 15 and the first baffle 1701; microbial carriers 21 are uniformly distributed in the primary treatment compartment 11; the wall of the primary treatment compartment 11 behind the second baffle 1702 is connected with a cylindrical or cubic corrugated hose 14, and the tail end of the corrugated hose 14 is connected with the second filter wall 1501 of the secondary treatment compartment 12. The structures of the secondary treatment compartment 12 and the tertiary treatment compartment 13 are the same as the primary treatment compartment 11, and the tail end of the tertiary treatment compartment 13 is provided with a water outlet 2 for outputting the treated water body. The bottoms of the primary treatment compartment 11, the secondary treatment compartment 12 and the tertiary treatment compartment 13 are provided with sludge discharge ports 18.
Optionally, the first telescopic device 9 includes a first outer rod 23, a first inner rod 22 and two rotary tables 25, the first outer rod 23 is hollow, a plurality of spaced fasteners 24 are arranged inside the first outer rod 23, a plurality of slots are arranged on the outer wall of the first inner rod 22 corresponding to the fasteners 24, and the two rotary tables 25 are respectively arranged on the front portion of the first inner rod 22 and the rear portion of the first outer rod 23; the first inner rod 22 is arranged in front of the first outer rod 23 and is connected end to end with the first outer rod 23, and the first inner rod 22 can enter the first outer rod 23, so that the total length of the first outer rod 23 and the first inner rod 22 can be adjusted.
Optionally, the first inner rod 22 and the first outer rod 23 can both horizontally rotate on the respective rotating discs 25, and the rotating directions of the first inner rod 22 and the first outer rod 23 are opposite, so that the first inner rod 22 can freely extend and retract inside the first outer rod 23.
Optionally, the first inner rod 22 and the first outer rod 23 are made of a rigid material, such as metal, wood, glass, hard plastic, and hard rubber.
Preferably, the first telescopic devices 9 are arranged above and below the treatment section to enhance the stability of the treatment section at the corrugated hose 14, and specifically, the rotating disc of the first inner rod 22 is arranged at the tail end of the rigid wall surface of the treatment section, and the rotating disc of the first outer rod 23 is arranged at the front end of the next adjacent treatment section. The turntable 25 is specifically a support base movably connected below the turntable 25, the turntable 25 is fixed on the processing section through the support base, and simultaneously, the turntable rotates by taking the support base as a fulcrum and drives the first inner rod or the first outer rod to rotate.
Optionally, the first inner rod 22 is provided with a buckle, the first outer rod 23 is provided with a hollow-out clamping groove at a position corresponding to the buckle, and the buckle can be clamped at any position in the length direction of the clamping groove, so that stepless adjustment of the relative position of the first inner rod 22 and the first outer rod 23 is realized.
The first telescopic device 9 designed by the invention is simple in structure, the length of the first telescopic device 9 is changed through the relative movement of the first inner rod 22 and the first outer rod 23, namely the distance between the tail end of the rigid wall surface of the treatment compartment and the filter wall of the adjacent treatment compartment behind is changed, and the first telescopic device 9 corresponds to the position of the corrugated hose 14, so that the purpose that the first telescopic device 9 controls the length of the corrugated hose 14 is realized, and the length of the treatment compartment is further adjusted; the direction of the whole first telescopic device 9 is adjusted through the rotation of the first inner rod 22 and the first outer rod 23 on the corresponding rotary disc 25, so that the direction of the corrugated hose 14 is adjusted, and the water treatment system can be bent to adapt to a curved river channel.
Optionally, the telescopic unit includes a second telescopic device 26, the second telescopic device 26 is disposed at an upper portion inside the corrugated hose 14, the second telescopic device 26 includes a second inner rod 2601, a second outer rod 2602, a first fixing rod 2603 and a second fixing rod 2604, and the second outer rod 2602 is hollow; the first fixing rod 2603 is arranged at the rear part of the top of the rigid wall surface of the treatment section, and the second fixing rod 2604 is arranged at the top of the side surface of the filter wall of the adjacent next treatment section facing the treatment section; the front end of the second inner rod 2601 is connected to the first fixing rod 2603, and the rear end can extend and retract inside the second outer rod 2602, so that the total length of the second outer rod 2602 and the second inner rod 2601 can be adjusted; the front part of the second outer rod 2602 is connected with the second inner rod 2601, and the rear end of the second outer rod 2602 is connected with the second fixing rod 2604; the second inner rod 2601 and the second outer rod 2602 are parallel to the corrugated hose 14.
The second inner rod 2601 and the second outer rod 2602 are made of flexible materials so that they can bend along with the bending of the corrugated hose 14.
Optionally, a plurality of detachable turbulence bars 2605 are arranged below the second outer bar 2602 and/or the second inner bar 2601, the top end of the turbulence bar 2605 is connected with the second outer bar 2602 and/or the second inner bar 2601, the turbulence bar 2605 is perpendicular to the second outer bar 2602 and/or the second inner bar 2601, and a plurality of detachable turbulence teeth 2606 are arranged on the turbulence bar 2605, so that the turbulence degree of sewage in the corrugated hose 14 is increased, the treatment efficiency is improved, the phenomenon that local microorganisms or sludge are accumulated when the corrugated hose 14 is stretched too long or the bending radian is too large is avoided, and the water treatment conditions of the upper part and the middle part of the corrugated hose 14 are improved.
Optionally, the spoiler teeth 2606 are inclined in a direction away from the spoiler bar 2605, and meanwhile, the spoiler teeth 2606 may point upward or downward.
Optionally, the length of the second outer rod 2602 is the same as the shortest length of the pleated hose 14 after contraction, that is, when the pleated hose 14 contracts to the shortest extent, the second inner rod 2601 is contracted into the second outer rod 2602 completely or partially, and the second outer rod 2602 corresponds to the pleated hose 14 at that time. When the second inner bar 2601 is retracted into the second outer bar 2602, the spoiler bar 2605 of the second inner bar 2601 is removed.
Further optionally, when the treatment section of the water treatment system needs to be stretched to a longer length, the second inner rod 2601 is required to have a longer length, so that the second inner rod 2601 cannot be completely retracted into the second outer rod 2602, in response to this situation, the present invention designs the first sliding rail 2607 for the second telescopic device 26, the first sliding rail 2607 is disposed at a position where the first fixing rod 2603 is connected to the rigid wall surface of the treatment section, the first sliding rail 2607 is disposed along the length direction of the treatment section, so that the first fixing rod 2603 can move on the first sliding rail 2607, when the second inner rod 2601 cannot be completely retracted into the second outer rod 2602 after the corrugated hose 14 is retracted, the first fixing rod 2603 moves in a direction away from the second outer rod 2602, and the excess part of the second inner rod 2601 can extend to a position below the top plate of the treatment section, and by the cooperation between the first sliding rail 2607 and the first fixing rod 2603, the second outer bar 2602 and the second inner bar 2601 assist in adjusting the overall length.
Optionally, the telescopic unit includes a third telescopic device 27, the third telescopic device 27 is disposed at the bottom inside the corrugated hose 14, the third telescopic device 27 includes a third inner rod 2701, a third outer rod 2702, a third fixing rod 2703 and a fourth fixing rod 2704, and the third outer rod 2702 is hollow; the third fixing rod 2703 is arranged at the rear part of the bottom of the rigid wall surface of the treatment compartment, and the fourth fixing rod 2704 is arranged at the bottom of the side surface of the filter wall of the adjacent next treatment compartment facing the treatment compartment; the front end of the third inner rod 2701 is connected with a third fixing rod 2703, and the rear end of the third inner rod 2701 can be stretched inside the third outer rod 2702, so that the total length of the third outer rod 2702 and the third inner rod 2701 can be adjusted; the front part of the third outer rod 2702 is connected with the third inner rod 2701, and the rear end of the third outer rod 2702 is connected with the fourth fixing rod 2704; the third inner bar 2701 and the third outer bar 2702 are parallel to the corrugated hose 14.
The third inner bar 2701 and the third outer bar 2702 are made of flexible materials so that they can bend along with the bending of the corrugated hose 14.
Optionally, a plurality of detachable stirring wheels 2705 are arranged below the third outer rod 2702 and/or the third inner rod 2701, stirring teeth 2706 are arranged around the stirring wheels 2705, and the stirring wheels 2705 can stir sludge or microbial activated sludge deposited at the bottom of the corrugated hose 14, improve the distribution of dissolved oxygen in the whole corrugated hose 14, increase disturbance, and improve the water treatment conditions at the bottom and the middle of the corrugated hose 14.
Optionally, the length of the third outer stem 2702 is the same as the shortest length of the corrugated hose 14 after contraction, that is, when the corrugated hose 14 contracts to the shortest extent, the third inner stem 2701 is completely or partially contracted into the third outer stem 2702, and the third outer stem 2702 corresponds to the corrugated hose 14 at that time. When the third inner bar 2701 is retracted into the third outer bar 2702, the agitator wheel 2705 of the third inner bar 2701 is removed.
Optionally, an electric wire connected to the stirring wheel 2705 penetrates into the third inner rod 2701 and the third outer rod 2702, that is, the third inner rod 2701 is hollow, an inner space is used for accommodating the electric wire, the inner space of the third outer rod 2702 can also accommodate the electric wire, a through hole is formed at a position where the stirring wheel 2705 is installed on the third inner rod 2701 and the third outer rod 2702, the electric wire is allowed to penetrate through and connect the stirring wheel 2705, a sealing member is arranged at the through hole, and a sealing member is also arranged at a connection position of the third inner rod 2701 and the third outer rod 2702, so that sewage is prevented from entering into the third inner rod 2701 and the third outer rod 2702; the electric wire is extended from the joint of the third inner rod 2701 and the third fixing rod 2703 or the joint of the third outer rod 2702 and the fourth fixing rod 2704, and passes through the corrugated hose 14 or the hollow with the sealing part on the hard wall surface of the treatment compartment to be connected with the external power supply.
Optionally, when the treatment section of the water treatment system needs to be stretched by a long length, the third inner rod 2701 is required to have a long length, so that the third inner rod 2701 cannot be completely retracted into the third outer rod 2702, and in response to such a situation, the present invention designs a second slide rail 2707 for the third telescopic device 27, where the second slide rail 2707 is disposed at a position where the third fixing rod 2703 is connected to a rigid wall surface of the treatment section, the second slide rail 2707 is disposed along the length direction of the treatment section, so that the third fixing rod 2703 can move on the second slide rail 2707, and when the third inner rod 2701 cannot be completely retracted into the third outer rod 2702 after the corrugated hose 14 is retracted, the third fixing rod 2703 moves in a direction away from the third outer rod 2702, and an excess portion of the third inner rod 2701 can extend to a position above the bottom plate of the treatment section, and is engaged with the third fixing rod 2703 through the second slide rail 2707, assisting in adjusting the overall length of the third outer bar 2702 and the third inner bar 2701.
Optionally, at least one sludge discharge port is arranged at the bottom of the corrugated hose 14.
Preferably, the spoiler bar 2605, the spoiler teeth 2606, the stirring wheel 2705 and the stirring teeth 2706 are made of light plastics, and under the buoyancy of the sewage in the corrugated hose 14, the telescopic bending of the second telescopic device 26 and the third telescopic device 27 is not affected.
The present invention proposes the telescopic unit to adapt to the curved river and control the hydraulic retention time, and uses the corrugated hose 14 to change the length and the curvature of the treatment section, and the first telescopic device 9 is provided to control the stretching and bending of the corrugated hose 14, but there is a problem that when the corrugated hose 14 is longer, the disturbance of the inner water flow is reduced, and microorganisms and sludge are easy to deposit on the bottom of the corrugated hose 14, especially in the corrugations of the corrugated hose 14, which affects the water treatment efficiency of the corrugated hose 14 and also hinders the contraction of the corrugated hose 14. The inventor proposes the second telescopic device 26 and the third telescopic device 27 according to the structural characteristics of the corrugated hose 14 and the control mode of the corrugated hose 14 by the first telescopic device 9. The second expansion device 26 is provided with a turbulence bar 2605 and turbulence teeth 2606 to improve the water treatment conditions of the upper part and the middle part of the corrugated hose 14, and the third expansion device 27 is provided with a stirring wheel 2705 to improve the water treatment conditions of the bottom part and the middle part of the corrugated hose 14. Meanwhile, in accordance with the deformation characteristics of the corrugated hose 14, a special shrinkage sliding mode of the second inner rod 2601 and the third inner rod 2701 is designed.
Optionally, the water treatment system further comprises an automatic bacteria scattering device, the automatic bacteria scattering device comprises a bacteria liquid tank 6, a timing pump 19 and a bacteria spray 8, the bacteria liquid tank 6, the timing pump 19 and the bacteria spray 8 are sequentially connected through a bacteria conveying pipe 20, and the bacteria liquid tank 6 and the timing pump 19 are arranged above the treatment compartment, preferably above the primary treatment compartment 11; the bacteria sprinkling system 8 is provided in the upper part of the treatment section, preferably in the upper part of the primary treatment section 11. The timing pump 19 is used for regularly pumping the bacteria liquid in the bacteria liquid box 6, inputting the bacteria sprinkles 8 and uniformly scattering the bacteria liquid in the treatment compartment through the bacteria sprinkles 8.
Optionally, the fungus sprinkling 8 is a circular pipeline and is evenly provided with a plurality of nozzles, so that the fungus liquid can be evenly scattered in a large range, and the labor cost and the fungus scattering amount are effectively reduced.
Optionally, an opening is arranged at the top of the bacteria liquid tank 6, and the opening is provided with a sealing plug 5 for periodically supplementing bacteria liquid.
Optionally, the automatic fungus scattering device further comprises a booster pump 7, and the booster pump 7 is connected to a fungus conveying pipe 20 between the timing pump 19 and the fungus sprinkling device 8 through a three-way pipeline and used for better pumping out the strains and the fungus liquid in the fungus liquid box 6 together.
Optionally, the water treatment system further comprises a buoyancy member 3, the buoyancy member 3 is arranged outside the water treatment system and is used for preventing the water treatment system from being completely submerged in water, and preferably, the buoyancy member 3 is arranged at the upper parts of two sides of the treatment section compartment outside the rigid wall surface in a segmented mode, namely, the buoyancy member 3 is not arranged outside the corrugated hose 14, so that the corrugated hose 14 is convenient to stretch and bend.
Optionally, the water treatment system further comprises a solar panel 4, the solar panel 4 is fixed above the buoyancy member 3, that is, the solar panel 4 is also segmented, and provides power for electric equipment of the water treatment system, such as the timing pump 19, the booster pump 7, the aeration device 16, and the stirring wheel 2705.
Specifically, in a dry season, the anticorrosive corrugated hose 14 is tightened, the first expansion device 9 is contracted to the shortest distance, the second expansion device 26 and the third expansion device 27 in the corrugated hose 14 are also contracted to the shortest distance, and the turbulence bar 2605 and the stirring wheel 2705 are not installed; a part of the second inner rod 2601 enters the inside of the second outer rod 2602, and the front end of the second inner rod 2601 pushes the first fixing rod 2603 to move on the first slide rail 2607 in a direction away from the second outer rod 2602, so that the other part of the second inner rod 2601 extends below the rigid top plate of the processing compartment;
a part of the third inner rod 2701 enters the inside of the third outer rod 2702, and the front end of the third inner rod 2701 pushes the third fixing rod 2703 to move on the second slide rail 2707 in a direction away from the third outer rod 2702, so that the other part of the third inner rod 2701 extends to the upper part of the rigid bottom plate of the treatment compartment;
the water treatment system is put into sewage, the sewage enters an adjusting tank 10 through a water inlet 1 and then enters a primary treatment compartment 11 through a partition plate perforation, the sewage is absorbed and filtered by a first filter wall 15 in the primary treatment compartment 11, meanwhile, a timing pump 19 and a microporous aeration device 16 are started, the timing pump 19 extracts bacterial liquid from a bacterial liquid tank 6 and sprays the bacterial liquid through a bacterial spray 8, the bacterial liquid enters the primary treatment compartment 11 and is combined with a microbial carrier 21 to form a biological membrane, the biological membrane flows through an S-shaped route and then enters an anti-corrosion corrugated hose 14 and then enters a secondary treatment compartment 12, the sewage is absorbed and filtered by a second filter wall 1501, a part of microbes are absorbed by the second filter wall 1501 to form the biological membrane, then flows through the S-shaped route and then enters the anti-corrosion corrugated hose 14 and then enters a tertiary treatment compartment 13, the tertiary treatment compartment 13 has a principle similar to that of the secondary treatment compartment 12 and finally is discharged from a water outlet 2, wherein the bacteria liquid in the bacteria liquid box 6 is supplemented regularly, the bacteria liquid can be added by unscrewing the sealing plug 5, and the sludge deposited in the water treatment system is cleaned regularly and discharged from the sludge discharge port 18.
In the full water period, the anti-corrosion corrugated hose 14 is lengthened, the telescopic rod 9 is extended to the longest distance, the hydraulic retention time is prolonged, and the treatment efficiency is improved. The second expansion device 26 and the third expansion device 27 also extend to the longest distance, a spoiler bar 2605 is respectively installed on the second inner bar 2601 and the second outer bar 2602, and spoiler teeth 2606 are installed on the spoiler bar 2605; the third inner rod 2701 and the third outer rod 2702 are respectively provided with a stirring wheel 2705; after the turbulence bar 2605 and the stirring wheel 2705 are installed, the corrugated hose 14 is sleeved outside the second expansion device 26 and the third expansion device 27. The use of other components of the water treatment system is as described above.
In the rich water period, sewage treatment is carried out, and the length proportion of the first-stage treatment compartment 11, the second-stage treatment compartment 12 and the third-stage treatment compartment 13 is 2: 1: 3, the thickness of the filter walls of the primary treatment section 11 and the tertiary treatment section 13 is 1/5 of the length of the corresponding treatment section, and the thickness of the second filter wall 1501 is 1/4 of the length of the secondary treatment section 12. The treatment scale is 400L/day, the CODCr concentration in the test wastewater is 200-300mg/L, the ammonia nitrogen concentration is 20-30mg/L, the total nitrogen is 30-40mg/L, and the total phosphorus is 4-6 mg/L. Filling green zeolite into each filter wall, spraying bacterial liquid from the bacterial sprinklers 8 into the primary treatment compartment 11, wherein the adding amount is about 8% of the water volume of the equipment, and aerating in the primary treatment compartment 11 and the tertiary treatment compartment 13 respectively. The DO content in the first-stage treatment compartment 11 and the DO content in the third-stage treatment compartment 13 are both larger than 2mg/L, and the hydraulic retention time of the three treatment compartments is 2h, 1h and 3h respectively. The effluent indexes after treatment are as follows: CODCr concentration is 38.6mg/L, ammonia nitrogen concentration is 4.17mg/L, total nitrogen concentration is 4.81mg/L, total phosphorus concentration is 1.69mg/L, and dissolved oxygen is more than 2 mg/L.
When the device is used in a river at a bend, the first inner rod 22 and the first outer rod 23 are rotated by taking the rotary disc 25 as a fulcrum, so that the first telescopic device 9 deflects for a certain angle, and simultaneously the first telescopic device 9 and the corrugated hose 14 are elongated, so that the corrugated hose 14 bends and adapts to the bend of the river. The second and third bellows devices 26 and 27 within the corrugated hose 14 are stretched simultaneously, and because they are flexible materials, are able to flex with the corrugated hose 14, as described above in connection with the use of the water treatment system during the flood season.

Claims (8)

1. A bendable and telescopic water treatment system is characterized by comprising a water inlet unit, a water treatment unit and a telescopic unit, wherein the water inlet unit is connected with the water treatment unit; the water treatment unit comprises a plurality of treatment cabins which are connected in series, and each treatment cabin is connected with each other by the telescopic unit;
the telescopic unit comprises a first telescopic device and a corrugated hose, and the corrugated hose is arranged at the rear part of each treatment compartment and is connected with two adjacent treatment compartments;
the first telescopic device is arranged above and/or below the treatment compartment and corresponds to the position of the corrugated hose; the first telescopic device regulates and controls the length and the bending radian of the corrugated hose through the self length expansion and contraction and the change of a deflection angle in the horizontal direction;
the first telescopic device comprises a first outer rod, a first inner rod and two turntables, the two turntables are respectively arranged at the front part of the first inner rod and the rear part of the first outer rod, and the first inner rod and the first outer rod can horizontally rotate on the respective turntables;
the telescopic unit comprises a second telescopic device, the second telescopic device is arranged at the upper part in the corrugated hose, the second telescopic device comprises a second inner rod, a second outer rod, a first fixed rod and a second fixed rod, a plurality of detachable turbulence rods are arranged below the second outer rod and/or the second inner rod, and a plurality of detachable turbulence teeth are arranged on the turbulence rods;
the telescopic unit comprises a third telescopic device, the third telescopic device is arranged at the bottom in the corrugated hose and comprises a third inner rod, a third outer rod, a third fixed rod and a fourth fixed rod, and a plurality of detachable stirring wheels are arranged below the third outer rod and/or the third inner rod;
the second inner rod, the second outer rod, the third inner rod and the third outer rod are made of flexible materials and can be bent along with bending of the corrugated hose.
2. The water treatment system of claim 1 wherein the treatment section includes a filter wall and at least one baffle, the filter wall being disposed at a front end of the treatment section for physically separating the treatment section from the water intake unit or an adjacent treatment section;
the baffle is arranged in the treatment section compartment, and the top of the baffle is fixedly connected with the top plate of the treatment section compartment or the bottom of the baffle is fixedly connected with the bottom plate of the treatment section compartment, so that water flow in the treatment section compartment can flow through the bottom or the top of the baffle.
3. A water treatment system according to claim 2, wherein the corrugated hose is provided at the rear of a treatment section connected between the rear end of the wall of the treatment section and the filter wall of the next adjacent treatment section.
4. The water treatment system of claim 1, wherein the first outer rod is hollow, a plurality of spaced fasteners are arranged inside the first outer rod, and a plurality of slots are arranged on the outer wall of the first inner rod corresponding to the fasteners; the first inner rod and the first outer rod are connected end to end, and the first inner rod can enter the first outer rod.
5. The water treatment system of claim 1, wherein the second outer rod is hollow;
the first fixed rod is arranged at the rear part of the top of the rigid wall surface of the treatment compartment, and the second fixed rod is arranged at the top of the side surface of the filter wall of the adjacent next treatment compartment facing the treatment compartment;
the front end of the second inner rod is connected with the first fixing rod, and the rear end of the second inner rod can stretch out and draw back in the second outer rod, so that the total length of the second outer rod and the second inner rod is adjusted; the front part of the second outer rod is connected with the second inner rod, and the rear end of the second outer rod is connected with a second fixed rod; the second inner bar and the second outer bar are parallel to the corrugated hose.
6. The water treatment system of claim 5, wherein the top end of the spoiler bar is connected to and perpendicular to the second outer bar and/or the second inner bar.
7. The water treatment system of claim 5, wherein the third outer rod is hollow;
the third fixed rod is arranged at the rear part of the bottom of the rigid wall surface of the treatment compartment, and the fourth fixed rod is arranged at the bottom of the side surface of the filter wall of the adjacent next treatment compartment facing the treatment compartment;
the front end of the third inner rod is connected with a third fixed rod, and the rear end of the third inner rod can stretch out and draw back in the third outer rod, so that the total length of the third outer rod and the third inner rod is adjusted; the front part of the third outer rod is connected with a third inner rod, and the rear end of the third outer rod is connected with a fourth fixed rod; the third inner bar and the third outer bar are parallel to the corrugated hose.
8. The water treatment system of claim 1 further comprising a buoyant member and a solar panel, the buoyant member being external to the water treatment system, the solar panel being secured above the buoyant member.
CN202110555168.9A 2021-05-21 2021-05-21 Bendable and telescopic water treatment system Active CN113307446B (en)

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CN203613008U (en) * 2013-12-05 2014-05-28 海南立昇净水科技实业有限公司 Foldable soft flocculation reaction pool and emergency relief and water supply device comprising same
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CN210974108U (en) * 2019-09-16 2020-07-10 江阴市庞达橡塑有限公司 Aeration oxygenation equipment assembling platform

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US8216457B2 (en) * 2010-05-12 2012-07-10 Ashley Day Emergency extraction line and marine particle skimmer

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN203613008U (en) * 2013-12-05 2014-05-28 海南立昇净水科技实业有限公司 Foldable soft flocculation reaction pool and emergency relief and water supply device comprising same
CN104016490A (en) * 2014-06-23 2014-09-03 珠江水利委员会珠江水利科学研究院 Multi-corridor scarfed filter wall bio-membrane sewage treatment apparatus and application thereof
CN210974108U (en) * 2019-09-16 2020-07-10 江阴市庞达橡塑有限公司 Aeration oxygenation equipment assembling platform

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