CN112028281A - Simple and easy efficient water pollution treatment facility - Google Patents

Simple and easy efficient water pollution treatment facility Download PDF

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Publication number
CN112028281A
CN112028281A CN202010913028.XA CN202010913028A CN112028281A CN 112028281 A CN112028281 A CN 112028281A CN 202010913028 A CN202010913028 A CN 202010913028A CN 112028281 A CN112028281 A CN 112028281A
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China
Prior art keywords
block
water
plate
sewage
port
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Withdrawn
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CN202010913028.XA
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Chinese (zh)
Inventor
王蕾蕾
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Individual
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Priority to CN202010913028.XA priority Critical patent/CN112028281A/en
Publication of CN112028281A publication Critical patent/CN112028281A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis

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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)
  • Removal Of Floating Material (AREA)

Abstract

The invention discloses a simple and efficient water pollution treatment device, which structurally comprises a water inlet, a machine body, a purified water outlet and a base, wherein sewage is filled into a water tank, an isolation floating plate is suspended on the water surface according to the amount of the sewage, the sewage can fall through a water falling port due to higher gravity of water quality in the sewage, when the sewage passes through an opening and closing mechanism, the falling force enables a flap body to be spirally concave towards a containing tank, the opening and closing mechanism is in an open state, the water quality smoothly falls, light oil remains on the top surface of a plate frame body, water and oil separation is carried out on kitchen sewage, when the sewage is not filled any more, a sac block rapidly restores an expansion state, a pocket body pockets the rear end of the pocket body and carries out angle conversion, so that the upper side end of a pressure containing cavity is expanded to be horizontal, the flap body is opposite when the pocket body is closed, the whole body is in a horizontal and smooth closed state, the water, the drainage block descends, so that the grease on the top surface of the residual plate frame body is drained to the side port by the drainage block to perform oil drainage.

Description

Simple and easy efficient water pollution treatment facility
Technical Field
The invention belongs to the field of water pollution, and particularly relates to simple and efficient water pollution treatment equipment.
Background
Water resources are widely applied to various fields, domestic water, industrial wastewater and the like of people are usually recycled, and the water pollution treatment equipment is mainly used for treating sewage and can recycle the sewage by performing harmless treatment on pollutants in the sewage.
Based on the discovery of the inventor, the existing simple and efficient water pollution treatment equipment has the following defects:
when water pollution treatment facility handles family kitchen sewage, because can adulterate the grease in the kitchen sewage, the water oil is because density difference and easy layering leads to when doing filtration treatment, and the grease is difficult to pass through along with quality of water, and remains to adhere to and filter the mouth, can form one deck oil film on the filter screen surface for a long time, influences the sewage treatment in later stage.
Therefore, it is necessary to provide a simple and efficient water pollution treatment device.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide simple and efficient water pollution treatment equipment to solve the problems in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a simple and easy efficient water pollution treatment device, its structure includes water inlet, organism, water purification export, base, water inlet and organism are as an organic whole and establish a side in the top of organism, water purification export and organism are as an organic whole and link up in the front side of organism, the base inlays the solid below of installing at the organism.
The organism includes the pond, keeps apart kickboard, subregion filter plate, filtering layer medium, membrane cisterna, oil extraction latus rectum, keep apart the kickboard activity in the pond, the subregion filter plate is connected and the clearance fit with a side end of keeping apart the kickboard, the lateral position at the subregion filter plate is established to the filtering layer medium, the membrane cisterna sets up in the opposite side position of filtering layer medium, oil extraction latus rectum through connection is in one side of subregion filter plate.
As a further improvement of the invention, the partition filter plate comprises a lifting block, a solid plate, a hinged wheel, a shaft rod, side rails and a water inlet through plate, wherein the top of the lifting block is connected with the lower end of the solid plate, the bottom of the lifting block is connected with the upper end of the water inlet through plate, the solid plates are hinged through the hinged wheel and the shaft rod, the side rails are connected with the hinged wheel in a clamping manner, the water inlet through plate is hinged through the hinged wheel, the solid plate is formed by hinging a plurality of sections of solid plates with smooth surfaces, the water inlet through plate is formed by hinging a plurality of sections of hollow through plates, and the lifting of the lifting block controls the telescopic states of the solid plate and the water inlet through plate.
As a further improvement of the invention, the isolation floating plate comprises a plate frame body, an opening and closing mechanism and a water falling port, wherein the opening and closing mechanism and the plate frame body are integrated and move in the plate frame body, the water falling port and the plate frame body are integrated and communicated with the plate frame body through the opening and closing mechanism, the plate frame body is a metal sodium plate body, the opening and closing mechanism is provided with six rows in total, the opening and closing mechanism and the water falling port are provided with a plurality of opening and closing mechanisms in the plate frame body, and each opening and closing mechanism corresponds to each water falling port.
As a further improvement of the invention, the opening and closing mechanism comprises a flap rotating body, an upper pulling end, a clamping block, a buckling block, a guiding hard block and a containing groove, wherein the upper pulling end is connected with the flap rotating body and is movably matched with the flap rotating body, the clamping block is fixedly embedded at one side of the lower end of the flap rotating body, the buckling block is movably clamped with the clamping block, the lower end of the buckling block is movably clamped at the upper end of the guiding hard block and is in sliding fit with the guiding hard block, the flap rotating body is movably clamped with the containing groove, the upper pulling end is made of rubber material with strong bending resistance, each two flap rotating bodies in opposite surfaces are movably matched with one group, and the guiding hard block is arranged in an arc shape.
As a further improvement of the present invention, the flap rotating body includes a pressure accommodating cavity, a curved contracting end, a joining rail, a pocket body and a pocket block, the curved contracting end is disposed below the pressure accommodating cavity, the joining rail is disposed on a side wall inside the pressure accommodating cavity, the pocket body is movably clamped to the joining rail and movably matched with the joining rail, the other side of the pocket body is connected with the outer side of the pocket block, the pocket block is embedded in the pressure accommodating cavity and movably matched with the pressure accommodating cavity, the pocket block is movably matched with the curved contracting end, the curved contracting end is synthetic rubber with good compression resistance and resilience, the pocket body is in a curved flap shape and made of butadiene rubber, and the pocket block is an elastomer in a curved ball state.
As a further improvement of the present invention, the lifting block includes an upper port, a side port, a floating block, a support rod, a drainage block, a linking slider, and an oil through hole, the upper port and the side port are respectively communicated with the oil through hole, the floating block is fixedly embedded in the lower end of the support rod, the drainage block is fixedly embedded in the upper end of the support rod, the drainage block is movably matched with the upper port through the floating block, the linking slider is movably matched with the upper port, the floating block is a long block of sodium metal, and the upper end of the drainage block is in a concave arc shape.
Compared with the prior art, the invention has the following beneficial effects:
1. fill sewage to the pond, by isolation kickboard according to how much the suspension of sewage on the surface of water, because the quality of water gravity in the sewage is great, can be through the whereabouts of water opening, when mechanism that opens and shuts, its whereabouts power makes the lamella turn concave to the holding tank soon, and mechanism that opens and shuts is the open mode, and quality of water smoothly falls, and lighter oil remains on plate frame body top surface, and carries out the water-oil separation to kitchen sewage.
2. When no longer pouring sewage, the expansion state is resumeed rapidly to the bag piece, and its rear end is lived to the pocket body pocket, carries out the angle transform for it is horizontal to hold the expansion of pressure chamber upper end, and the lamella is turned mutually and is put up during the closure, makes wholly be the closed condition that tends to horizontal smoothness, is constantly filtered and the water level descends along with quality of water, and the floating block moves down after losing buoyancy, and the drainage piece descends, makes the grease of remaining plate frame body top surface be drained to the side port by the drainage piece, carries out oil extraction work.
Drawings
FIG. 1 is a schematic view showing a simple and efficient water pollution treatment apparatus according to the present invention.
Fig. 2 is a schematic view of an internal cross-sectional structure of a machine body according to the present invention.
Fig. 3 is a schematic diagram of the side view of the inside of a zoned filter plate according to the present invention.
FIG. 4 is a schematic diagram of an internal side view of an isolation floating plate according to the present invention.
Fig. 5 is a schematic diagram of an internal side view of an opening and closing mechanism according to the present invention.
Fig. 6 is a schematic diagram of an internal side view structure of a flap rotator according to the present invention.
Fig. 7 is a schematic diagram of an internal side view of a lifting block according to the present invention.
In the figure: the device comprises a water inlet-1, a machine body-2, a purified water outlet-3, a base-4, a water tank-21, an isolation floating plate-22, a partition filter plate-23, a filter medium-24, a membrane tank-25, an oil discharge drift diameter-26, a lifting block-231, a solid plate-232, a hinged wheel-233, a shaft rod-234, a side rail-235, a water inlet permeable plate-236, a plate frame-221, an opening and closing mechanism-222, a water falling through opening-223, a flap rotating body-22 a, an upper pulling end-22 b, a clamping block-22 c, a buckling block-22 d, a guide hard block-22 e, a containing groove-22 f, a pressure containing cavity-a 1, a curved end-a 2, a connecting rail-a 3, a pocket body-a 4, a capsule block-a 5, an upper end opening-31 a, a side end opening-31 b, a floating block-31 c, a support rod-31 d, a drainage block-31 e, a connecting block-31 f and an oil through opening-31 g.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 5:
the invention provides simple and efficient water pollution treatment equipment which structurally comprises a water inlet 1, a machine body 2, a purified water outlet 3 and a base 4, wherein the water inlet 1 and the machine body 2 are integrated and are arranged at one side end of the top of the machine body 2, the purified water outlet 3 and the machine body 2 are integrated and penetrate through the front side of the machine body 2, and the base 4 is fixedly installed below the machine body 2.
Organism 2 includes pond 21, isolation kickboard 22, subregion filter plate 23, filtering layer medium 24, membrane cisterna 25, oil extraction latus rectum 26, it moves about in pond 21 to keep apart kickboard 22, subregion filter plate 23 is connected and clearance fit with a side end of keeping apart kickboard 22, the lateral position at subregion filter plate 23 is established to filtering layer medium 24, membrane cisterna 25 sets up in filtering layer medium 24's opposite side position, oil extraction latus rectum 26 through connection is in one side of subregion filter plate 23.
Wherein the partition filter plate 23 comprises a lifting block 231, a solid plate 232, a hinged wheel 233, a shaft 234, a side rail 235 and a water inlet permeable plate 236, the top of the lifting block 231 is connected with the lower end of the solid plate 232, the bottom of the lifting block 231 is connected with the upper end of the water inlet through plate 236, the solid plates 232 are hinged through a hinge wheel 233 and a shaft 234, the side rails 235 are connected with the hinge wheel 233 in a clamping way, the water inlet through plates 236 are hinged through hinge wheels 233, the solid plate 232 is formed by hinging a plurality of sections of solid plates with smooth surfaces, the water inlet permeable plate 236 is formed by hinging a plurality of sections of hollow permeable plates, the lifting of the lifting block 231 controls the telescopic state of the solid plate 232 and the water inlet permeable plate 236, when the water level descends and loses buoyancy, the lifting block 231 descends to the bottom, the solid plate 232 is in a vertical state, and the solid plate body blocks the oil from passing through, so that the oil remained on the side surface of the solid plate 232 flows down to discharge the oil.
The isolation floating plate 22 includes a plate frame 221, an opening and closing mechanism 222, and a water dropping port 223, the opening and closing mechanism 222 and the plate frame 221 are integrated and move in the plate frame 221, the water dropping port 223 and the plate frame 221 are integrated and communicated with the plate frame 221 through the opening and closing mechanism 222, the plate frame 221 is a metal sodium plate body, the opening and closing mechanism 222 is provided with six rows, the opening and closing mechanism 222 and the water dropping port 223 are provided with six rows in the plate frame 221, each opening and closing mechanism 222 corresponds to each water dropping port 223, when water drops, the opening and closing mechanism 222 is pushed by gravity, so that the water is in a hole shape and uniformly passes through the water dropping port 223, oil is remained at the top of the plate frame 221, and the buoyancy of the plate frame 221 is lighter than that of water and heavier than oil, and can float on the water surface.
Wherein, the opening and closing mechanism 222 comprises a flap rotator 22a, an upper pulling end 22b, a blocking block 22c, a buckling block 22d, a guiding hard block 22e and a containing groove 22f, the upper pulling end 22b is connected with the flap rotator 22a and is movably matched with the flap rotator, the blocking block 22c is fixedly embedded at one side of the lower end of the flap rotator 22a, the buckling block 22d is movably clamped with the blocking block 22c, the lower end of the buckling block 22d is movably clamped at the upper end of the guiding hard block 22e and is in sliding fit with the guiding hard block 22e, the flap 22a is movably clamped with the containing groove 22f, the upper pulling end 22b is made of rubber material with strong bending resistance, each two flap rotators 22a with opposite surfaces are movably matched with each other, the guiding hard block 22e is arranged in an arc shape, the flap rotator 22a rotates into the containing groove 22f when receiving the falling force of water, so that the whole body is in an opening state, the water can conveniently fall, when the lower end of the flap rotating body 22a is screwed in, the buckling block 22d guides the flap rotating body to move forwards on the guide hard block 22e, meanwhile, the guide hard block 22e extrudes the flap rotating body to a certain extent, and the generated reaction force can have larger propping force in the accommodating groove 22f to strengthen the clamping, so that the water can smoothly fall.
The specific use mode and function of the embodiment are as follows: a person fills kitchen sewage into the water tank 21 through the water inlet 1, the separation floating plate 22 is suspended on the water surface according to the sewage filling, during filling, the water quality gravity in the sewage is large, the kitchen sewage can fall through the water falling through hole 223, when the kitchen sewage passes through the opening and closing mechanism 222, the falling force pushes the flap rotating body 22a to enable the flap rotating body 22a to be concave and convex towards the accommodating groove 22f, the clamping block 22c is clamped into the clamping block 22d, the clamping block 22 is pulled to be curved and concave along the guide hard block 22e, the opening and closing mechanism 222 is in an open state, the water falling through hole 223 is in a transparent state on the plate frame body 221, the water quality smoothly falls, when the kitchen sewage is not filled, the water falling force does not exist, the flap rotating body 22a rotates to be closed, the grease falling is isolated, and light oil with buoyancy remains on the top surface of the plate frame.
Example 2:
as shown in fig. 6 to 7:
wherein the flap rotator 22a includes a pressure receiving cavity a1, a curved end a2, an engaging rail a3, a pocket a4, and a pocket a5, the curved end a2 is disposed under the pressure receiving cavity a1, the engaging rail a3 is disposed on a side wall inside the pressure receiving cavity a1, the pocket a4 is movably engaged with the engaging rail a3 and movably engaged with the engaging rail a3, the other side of the pocket a4 is connected with the outside of the pocket a5, the pocket a5 is embedded in the pressure receiving cavity a1 and movably engaged in the pressure receiving cavity a1, the pocket a5 is movably engaged with the curved end a2, the curved end a2 is synthetic rubber with good compression resistance and resilience, the pocket a4 is in a curved flap form and made of butadiene rubber, the pocket a5 is an elastomer in a curved state, the pocket a5 is connected with the pocket a having a certain resistance to expansion of the pocket a5, and the pocket a5 is capable of changing with the expansion resistance of the pocket a5, because the pocket body a4 has poor self-skid resistance, when the pocket body a5 changes, the pocket body a4 can be always connected with the connecting rail a3 to change the angle, the auxiliary pocket body a5 ensures the shape of the whole expansion body, when the expansion body is not subjected to the falling force of water, the pocket body a5 expands to block oil on the upper end surface, and through the change of the angle and the expansion degree, the upper end surface tends to be smooth in the closed state, so that the oil slides transversely.
The lifting block 231 comprises an upper port 31a, a side port 31b, a floating block 31c, a support rod 31d, a drainage block 31e, a connecting slider 31f and an oil through hole 31g, wherein the upper port 31a and the side port 31b are respectively penetrated through the oil through hole 31g, the floating block 31c is fixedly connected to the lower end of the support rod 31d in an embedded manner, the drainage block 31e is fixedly connected to the upper end of the support rod 31d in an embedded manner, the drainage block 31e is movably matched with the upper port 31a through the floating blocks 31c and 32b, the connecting slider 31f is movably matched with the upper port 31a, the floating block 31c is a long metal sodium block, the upper end of the drainage block 31e is in a concave arc shape, the buoyancy of the floating block 31c is lighter than that of water, when water exists at the lower end, the drainage block 31e is supported so as not to be aligned with the side port 31b, and drainage work cannot be carried out, and oil drainage work is ensured after water and oil are.
The specific use mode and function of the embodiment are as follows: when sewage is not filled any more, the bag block a5 is rapidly restored to the expansion state, the bag body a4 is used for containing the rear end of the bag body, the bag block a5 is driven to change the angle under the condition that the connection rail a3 is always clamped, the upper side end of the pressure containing cavity a1 is expanded to be horizontal, the flap rotators 22a are opposite when the bag body is closed, the whole bag body is in a closed state which is horizontal and smooth, the water level is lowered along with continuous filtration of water quality, the floating block 31c is lowered after buoyancy is lost, the drainage block 31e is moved downwards, grease on the top surface of the residual plate frame body 221 is drained to the side port 31b through the drainage block 31e, horizontal grease drainage is carried out, the connection solid plate 232 is in a vertical state at the moment, the sliding block 31f is located at the rear end of the upper port 31a and can carry out vertical oil drainage, and.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims (6)

1. The utility model provides a simple and easy efficient water pollution treatment device, its structure includes water inlet (1), organism (2), water purification export (3), base (4), water inlet (1) and organism (2) are as an organic whole and establish a top side in organism (2), water purification export (3) and organism (2) are as an organic whole and link up in the front side of organism (2), base (4) are embedded solid and are installed in the below of organism (2), its characterized in that:
organism (2) include pond (21), isolation kickboard (22), subregion filter plate (23), filtering layer medium (24), membrane tank (25), oil extraction latus rectum (26), keep apart kickboard (22) and move about in pond (21), subregion filter plate (23) and one side end of keeping apart kickboard (22) are connected and activity fit, the side position in subregion filter plate (23) is established in filtering layer medium (24), membrane tank (25) set up in the opposite side position of filtering layer medium (24), oil extraction latus rectum (26) through connection is in one side of subregion filter plate (23).
2. The simple and efficient water pollution treatment device according to claim 1, wherein: the partition filter plate (23) comprises a lifting block (231), a solid plate (232), a hinged wheel (233), a shaft rod (234), side rails (235) and a water inlet through plate (236), wherein the top of the lifting block (231) is connected with the lower end of the solid plate (232), the bottom of the lifting block (231) is connected with the upper end of the water inlet through plate (236), the solid plates (232) are hinged through the hinged wheel (233) and the shaft rod (234), the side rails (235) are clamped and connected with the hinged wheel (233), and the water inlet through plate (236) is hinged through the hinged wheel (233).
3. The simple and efficient water pollution treatment device according to claim 1, wherein: the isolation floating plate (22) comprises a plate frame body (221), an opening and closing mechanism (222) and a water falling port (223), the opening and closing mechanism (222) and the plate frame body (221) are integrated and move in the plate frame body (221), and the water falling port (223) and the plate frame body (221) are integrated and are communicated with the plate frame body (221) through the opening and closing mechanism (222).
4. The simple and efficient water pollution treatment device according to claim 3, wherein: the opening and closing mechanism (222) comprises a flap rotating body (22a), an upper pulling end (22b), a clamping block (22c), a buckling block (22d), a guide hard block (22e) and an accommodating groove (22f), wherein the upper pulling end (22b) is connected with the flap rotating body (22a) and is movably matched with the flap rotating body, the clamping block (22c) is fixedly embedded in one side of the lower end of the flap rotating body (22a), the buckling block (22d) is movably clamped with the clamping block (22c), the lower end of the buckling block (22d) is movably clamped at the upper end of the guide hard block (22e) and is in sliding fit with the guide hard block (22e), and the flap rotating body (22a) is movably clamped with the accommodating groove (22 f).
5. The simple and efficient water pollution treatment device according to claim 4, wherein: the flap rotating body (22a) comprises a pressure containing cavity (a1), a curved contraction end (a2), a connecting rail (a3), a pocket body (a4) and a bag block (a5), wherein the curved contraction end (a2) is arranged below the pressure containing cavity (a1), the connecting rail (a3) is arranged on one side wall inside the pressure containing cavity (a1), the pocket body (a4) is movably clamped in the connecting rail (a3) and movably matched with the connecting rail (a3), the other side of the pocket body (a4) is connected with the outer side of the bag block (a5), the bag block (a5) is embedded in the pressure containing cavity (a1) and movably matched with the pressure containing cavity (a1), and the bag block (a5) is movably matched with the curved contraction end (a 2).
6. The simple and efficient water pollution treatment device according to claim 2, wherein: the elevator block (231) comprises an upper port (31a), a side port (31b), a floating block (31c), a support rod (31d), a drainage block (31e), a linking sliding block (31f) and an oil through hole (31g), the upper port (31a) and the side port (31b) are respectively communicated with the oil through hole (31g), the floating block (31c) is fixedly connected with the lower end of the support rod (31d), the drainage block (31e) is fixedly connected with the upper end of the support rod (31d), the drainage block (31e) is movably matched with the upper port (31a) through the floating block (31c), and the linking sliding block (31f) is movably matched with the upper port (31 a).
CN202010913028.XA 2020-09-03 2020-09-03 Simple and easy efficient water pollution treatment facility Withdrawn CN112028281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010913028.XA CN112028281A (en) 2020-09-03 2020-09-03 Simple and easy efficient water pollution treatment facility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010913028.XA CN112028281A (en) 2020-09-03 2020-09-03 Simple and easy efficient water pollution treatment facility

Publications (1)

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CN112028281A true CN112028281A (en) 2020-12-04

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CN202010913028.XA Withdrawn CN112028281A (en) 2020-09-03 2020-09-03 Simple and easy efficient water pollution treatment facility

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Country Link
CN (1) CN112028281A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113135612A (en) * 2021-02-09 2021-07-20 王亚 Deoiling device for coal chemical industry wastewater treatment
CN113720646A (en) * 2021-09-05 2021-11-30 陈海萍 Water quality sampling equipment of different depths for industrial wastewater treatment
CN113750600A (en) * 2021-09-05 2021-12-07 林丽群 Industrial wastewater treatment equipment capable of preventing blockage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113135612A (en) * 2021-02-09 2021-07-20 王亚 Deoiling device for coal chemical industry wastewater treatment
CN113720646A (en) * 2021-09-05 2021-11-30 陈海萍 Water quality sampling equipment of different depths for industrial wastewater treatment
CN113750600A (en) * 2021-09-05 2021-12-07 林丽群 Industrial wastewater treatment equipment capable of preventing blockage

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Application publication date: 20201204