CN107235544B - Processing system for recycling cleaning wastewater from waste high polymer materials - Google Patents
Processing system for recycling cleaning wastewater from waste high polymer materials Download PDFInfo
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- CN107235544B CN107235544B CN201710657278.XA CN201710657278A CN107235544B CN 107235544 B CN107235544 B CN 107235544B CN 201710657278 A CN201710657278 A CN 201710657278A CN 107235544 B CN107235544 B CN 107235544B
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- 239000002351 wastewater Substances 0.000 title claims abstract description 46
- 239000002861 polymer material Substances 0.000 title claims abstract description 26
- 238000004140 cleaning Methods 0.000 title claims abstract description 22
- 239000002699 waste material Substances 0.000 title claims abstract description 18
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000005189 flocculation Methods 0.000 claims abstract description 36
- 230000016615 flocculation Effects 0.000 claims abstract description 36
- 238000002156 mixing Methods 0.000 claims abstract description 35
- 238000004062 sedimentation Methods 0.000 claims abstract description 33
- 239000010865 sewage Substances 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 239000008394 flocculating agent Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 239000000701 coagulant Substances 0.000 claims description 5
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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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
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention provides a treatment system for recycling cleaning wastewater by using waste high polymer materials, which belongs to the technical field of sewage treatment and comprises a base, a wastewater tank, a filter tank, a flocculation tank, a mixing tank, a sedimentation tank and a clean water tank, wherein a controller and a motor are arranged in the base; the clean water tank is positioned above the sedimentation tank, the bottom of the clean water tank is communicated with the top of the sedimentation tank, and the mixing tank is positioned on the side surfaces of the sedimentation tank and the clean water tank. This system is rational in infrastructure, through filtering ponds, flocculation basin, mixing tank and sedimentation tank multilevel processing, can reduce the turbidity requirement of daily clear water with this washing waste water's turbidity, and full automation operates, and the handling capacity is efficient greatly, and the emission and the waste water of the old and useless macromolecular material washing waste water that have significantly reduced are to the pollution of environment, have practiced thrift the water resource effectively, accord with sustainable development's requirement.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a treatment system for recycling cleaning wastewater from waste high polymer materials.
Background
High polymer material: macromolecular material, a material based on a high molecular compound. The polymer material is a material composed of compounds with relatively high molecular mass, and comprises rubber, plastics, fibers, paint, an adhesive and a polymer-based composite material, and the polymer is a life existing form.
With the more and more extensive application of the high polymer material, the more and more waste materials of the high polymer material are used, and due to the specific structural characteristics of the material, the waste materials can be recycled and then continuously utilized and reprocessed into useful materials for reutilization. However, before reprocessing, the recycled polymer material needs to be subjected to a cleaning step, i.e. washing the polymer material with a large amount of water to remove the impurities entrained therein. The purity of the treated high polymer material is high, so that the quality of a reprocessed product can be ensured.
Because the cleaning amount of the high polymer material is large, a large amount of waste water formed after cleaning is directly discharged, a large amount of water resource waste is caused, and the cleaning waste water contains a large amount of toxic and harmful substances, so that the environment is greatly polluted. The existing treatment system for the high polymer material cleaning wastewater is simple in structure, not clean enough in treatment and low in treatment efficiency, and cannot meet the requirement for treating a large amount of high polymer material cleaning wastewater.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a treatment system for recycling cleaning wastewater from waste high polymer materials.
In order to achieve the above purpose, the invention provides the following technical scheme:
a treatment system for recycling cleaning wastewater by using waste high polymer materials comprises a base, a wastewater tank, a filtering tank, a flocculation tank, a mixing tank, a sedimentation tank and a clean water tank, wherein a controller and a motor are arranged in the base;
the base is sequentially provided with the flocculation tank, the filtering tank and the wastewater tank, the top of the wastewater tank is provided with a funnel-shaped water inlet, the water inlet is provided with a one-way valve, the bottom of the wastewater tank is communicated with the top of the filtering tank, and the bottom of the filtering tank is communicated with the top of the flocculation tank;
a filter screen is arranged at the bottom of the filter tank, the filter screen is obliquely arranged, a first sewage discharge port is formed in the outer wall of the filter tank corresponding to the bottom end of the filter screen, a sewage pump is arranged outside the filter tank, the inlet end of the sewage pump is communicated with the first sewage discharge port through a sewage discharge pipe, a first flocculating agent and a stirring device are arranged in the flocculation tank, and a rotating shaft of the stirring device penetrates through the bottom plate of the flocculation tank to be connected with an output shaft of the motor;
the clean water tank is positioned above the sedimentation tank, the bottom of the clean water tank is communicated with the top of the sedimentation tank, the mixing tank is positioned on the side surfaces of the sedimentation tank and the clean water tank, at least two first horizontal plates and at least two second horizontal plates are arranged in the mixing tank, the first horizontal plates and the second horizontal plates are arranged at intervals, one side of each first horizontal plate is fixedly connected with one side wall of the mixing tank, a gap is reserved between the other side of each first horizontal plate and the other side wall of the mixing tank, one side of each first horizontal plate is fixedly connected with the other side wall of the mixing tank, a gap is reserved between the other side of each first horizontal plate and one side wall of the mixing tank, the upper end of the mixing tank is communicated with the flocculation tank through a first pipeline, a first electromagnetic valve is arranged on the first pipeline, and a mixing layer is arranged at the top of the sedimentation tank close to the clean water tank, a coagulant is arranged in the mixed layer, at least one second sewage draining outlet is arranged at the bottom of the sedimentation tank, a water outlet is arranged on the side wall of the clean water tank, and a control valve is arranged at the water outlet;
the motor, the sewage pump and the first electromagnetic valve are all electrically connected with the controller.
Preferably, still include and strengthen the pond, strengthen placing the second flocculating agent in the pond, strengthen the pond through the second pipeline with first pipeline intercommunication, be provided with the second solenoid valve on the second pipeline, the second solenoid valve with the controller electricity is connected.
Preferably, the outlet of backward flow has been seted up to the sedimentation tank bottom, the backward flow import has been seted up to the flocculation basin lateral wall, the outlet of backward flow with the backward flow import passes through the third pipeline intercommunication, be close to on the third pipeline the sedimentation tank is provided with the third solenoid valve, be close to on the third pipeline the flocculation basin is provided with the backwash pump, the backwash pump with the third solenoid valve all with the controller electricity is connected.
Preferably, a turbidity detector is arranged at the water outlet, and an outlet of the turbidity detector is communicated with the water outlet.
Preferably, the controller is an 89C82 singlechip.
Preferably, a control switch is arranged on the base and electrically connected with the controller.
Preferably, the coagulant is a mixture of aluminum sulfate and polyacrylamide.
The treatment system for recycling the cleaning wastewater by the waste high polymer materials, which is provided by the invention, has a reasonable structure, can reduce the turbidity of the cleaning wastewater to the turbidity requirement of daily clean water through multi-stage treatment of the filter tank, the flocculation tank, the mixing tank and the sedimentation tank, is automatically operated in the whole process, has large treatment capacity and high efficiency, greatly reduces the discharge amount of the cleaning wastewater of the waste high polymer materials and the pollution of the wastewater to the environment, effectively saves water resources, meets the requirement of sustainable development, and can be popularized and used.
Drawings
Fig. 1 is a schematic structural diagram of a treatment system for recycling cleaning wastewater from waste polymer materials in embodiment 1 of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and will not be described in detail herein.
Example 1
The invention provides a treatment system for recycling cleaning wastewater by waste high polymer materials, which specifically comprises a base 1, a wastewater tank 2, a filtering tank 3, a flocculation tank 4, a mixing tank 5, a sedimentation tank 6 and a clean water tank 7 as shown in figure 1, wherein a controller 8 and a motor 9 are arranged in the base 1, and the controller 8 is an 89C82 single chip microcomputer in the embodiment.
The base 1 is sequentially provided with a flocculation tank 4, a filtering tank 3 and a wastewater tank 2, the top of the wastewater tank 2 is provided with a funnel-shaped water inlet 10, the water inlet 10 is provided with a one-way valve 31, the bottom of the wastewater tank 2 is communicated with the top of the filtering tank 3, and the bottom of the filtering tank 3 is communicated with the top of the flocculation tank 4;
a filter screen 11 is arranged at the bottom of the filter tank 3, the filter screen 11 is obliquely arranged, a first sewage discharge port is formed in the outer wall of the filter tank 3 corresponding to the bottom end of the filter screen 11, a sewage pump 12 is arranged outside the filter tank 3, the inlet end of the sewage pump 12 is communicated with the first sewage discharge port through a sewage discharge pipe, a first flocculating agent 13 and a stirring device 14 are arranged in the flocculation tank 4, and a rotating shaft of the stirring device 14 penetrates through the bottom plate of the flocculation tank 4 and is connected with an output shaft of a motor 9; waste water is at first through wastewater disposal basin 2 and is carried out preliminary filtration flocculation treatment through filtering ponds 3 and flocculation basin 4 in proper order, and waste water filters the great impurity in the waste water when the filter screen 11 through wastewater disposal basin 2, and the mesh number of filter screen 11 is selected according to actual need, and this embodiment does not do any restriction to the mesh number of filter screen 11. When certain impurities are accumulated on the filter screen 11, the sewage pump 12 is started to pump out the impurities on the filter screen 11, and the filter screen 11 is placed to be blocked. The waste water that enters the flocculation basin 4 after passing through the filter screen 11 passes through the stirring of agitating unit 14 in the flocculation basin 4, and waste water and 13 intensive mixing of first flocculating agent get into next processing stage, and wherein motor 9 can drive agitating unit 14 rotatory, uses manpower sparingly raise the efficiency.
The clean water tank 7 is positioned above the sedimentation tank 6, the bottom of the clean water tank 7 is communicated with the top of the sedimentation tank 6, the mixing tank 5 is positioned on the side surfaces of the sedimentation tank 6 and the clean water tank 7, at least two first horizontal plates 15 and at least two second horizontal plates 16 are arranged in the mixing tank 5, the first horizontal plates 15 and the second horizontal plates 16 are arranged at intervals, one side of each first horizontal plate 15 is fixedly connected with one side wall of the mixing tank 5, a gap is formed between the other side of each first horizontal plate 15 and the other side wall of the mixing tank 5, one side of each second horizontal plate 16 is fixedly connected with the other side wall of the mixing tank 5, a gap is formed between the other side of each second horizontal plate 16 and one side wall of the mixing tank 5, the upper end of the mixing tank 5 is communicated with the flocculation tank 4 through a first pipeline 17, a first electromagnetic valve 18 is arranged on the first pipeline 17, a mixing layer is arranged at the top of, in this embodiment, the coagulant 19 is a mixture of aluminum sulfate and polyacrylamide, and the ratio of the aluminum sulfate to the polyacrylamide depends on the specific polymer material. The bottom of the sedimentation tank 6 is provided with at least one second sewage draining outlet 20, the structure of the bottom of the sedimentation tank 6 is similar to a V shape, and the second sewage draining outlet 20 is arranged at the lowest point of the tank bottom. The side wall of the clean water tank 7 is provided with a water outlet 32, and the water outlet 32 is provided with a control valve 21. Waste water from flocculation basin 4 gets into mixing tank 5 through first pipeline 17, the break-make of first pipeline 17 of first solenoid valve 18 steerable, and in mixing tank 5 get into sedimentation tank 6 after the first horizontal plate 15 that sets up through the interval and the back and forth baffle of second horizontal plate 16, the flocculation thing and the pollutant of adsorbed impurity slowly fall into the bottom of the pool in sedimentation tank 6, the clear water then up walks, can discharge the pollutant at the bottom of the pool through second drain 20, the clear water passes through delivery port 32 and discharges, close and open through control valve 21 control delivery port 32.
In this embodiment, the motor 9, the sewage pump 12 and the first electromagnetic valve 18 are all electrically connected with the controller 8, and the opening and closing of the motor 9, the sewage pump 12 and the first electromagnetic valve 18 are automatically controlled by the controller 8, so that the automatic operation is realized, and the labor is saved.
In order to enhance the flocculation effect, the system further comprises a strengthening tank 22, a second flocculating agent 23 is placed in the strengthening tank 22, the strengthening tank 22 is communicated with the first pipeline 17 through a second pipeline 24, a second electromagnetic valve 25 is arranged on the second pipeline 24, and the second electromagnetic valve 25 is electrically connected with the controller 8. The wastewater from the flocculation tank 4 is added with a second flocculating agent 23 through the strengthening tank 22, so that the treatment precision is improved.
Further, the backward flow export has been seted up to 6 bottoms in the sedimentation tank in this embodiment, the backward flow import has been seted up to 4 lateral walls in flocculation basin, backward flow export and backward flow import pass through third pipeline 27 intercommunication, it is provided with third solenoid valve 28 to be close to sedimentation tank 6 on the third pipeline 27, it is provided with backwash pump 29 to be close to flocculation basin 4 on the third pipeline 27, backwash pump 29 and third solenoid valve 28 all are connected with controller 8 electricity, when handling waste water does not reach the requirement, can flow back the processing water among the sedimentation tank 6 to flocculation basin 4 as required and carry out retreatment.
In order to improve the processing precision, a turbidity detector 26 is arranged at the water outlet 32, the outlet of the turbidity detector 26 is communicated with the water outlet 32, and when the water detected by the turbidity detector 26 does not reach the standard, the controller 8 opens the reflux pump 29 and the third electromagnetic valve 28 to perform secondary processing.
Meanwhile, the base 1 is provided with the control switch 30, and the control switch 30 is electrically connected with the controller 8, so that the whole system is conveniently controlled.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any simple modifications or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (5)
1. A treatment system for recycling cleaning wastewater by using waste high polymer materials is characterized by comprising a base (1), a wastewater tank (2), a filtering tank (3), a flocculation tank (4), a mixing tank (5), a sedimentation tank (6) and a clean water tank (7), wherein a controller (8) and a motor (9) are arranged in the base (1);
the flocculation tank (4), the filtering tank (3) and the wastewater tank (2) are sequentially arranged on the base (1), a funnel-shaped water inlet (10) is formed in the top of the wastewater tank (2), a one-way valve (31) is arranged at the position of the water inlet (10), the bottom of the wastewater tank (2) is communicated with the top of the filtering tank (3), and the bottom of the filtering tank (3) is communicated with the top of the flocculation tank (4);
a filter screen (11) is arranged at the bottom of the filter tank (3), the filter screen (11) is obliquely arranged, a first sewage discharge port is formed in the outer wall of the filter tank (3) corresponding to the bottom end of the filter screen (11), a sewage pump (12) is arranged outside the filter tank (3), the inlet end of the sewage pump (12) is communicated with the first sewage discharge port through a sewage discharge pipe, a first flocculating agent (13) and a stirring device (14) are arranged in the flocculation tank (4), and a rotating shaft of the stirring device (14) penetrates through the bottom plate of the flocculation tank (4) and is connected with an output shaft of the motor (9);
the clean water tank (7) is arranged above the sedimentation tank (6), the bottom of the clean water tank (7) is communicated with the top of the sedimentation tank (6), the mixing tank (5) is arranged on the side surfaces of the sedimentation tank (6) and the clean water tank (7), at least two first horizontal plates (15) and at least two second horizontal plates (16) are arranged in the mixing tank (5), the first horizontal plates (15) and the second horizontal plates (16) are arranged at intervals, one side of each first horizontal plate (15) is fixedly connected with one side wall of the mixing tank (5), a gap is arranged between the other side of each first horizontal plate (15) and the other side wall of the mixing tank (5), one side of each second horizontal plate (16) is fixedly connected with the other side wall of the mixing tank (5), and a gap is arranged between the other side of each second horizontal plate (16) and one side wall of the mixing tank (5), the upper end of the mixing tank (5) is communicated with the flocculation tank (4) through a first pipeline (17), a first electromagnetic valve (18) is arranged on the first pipeline (17), a mixing layer is arranged at the top of the sedimentation tank (6) close to the clean water tank (7), a coagulant (19) is arranged in the mixing layer, at least one second sewage draining outlet (20) is arranged at the bottom of the sedimentation tank (6), a water outlet (32) is arranged on the side wall of the clean water tank (7), and a control valve (21) is arranged at the water outlet (32);
the motor (9), the sewage pump (12) and the first electromagnetic valve (18) are electrically connected with the controller (8);
the system is characterized by further comprising a strengthening pool (22), wherein a second flocculating agent (23) is placed in the strengthening pool (22), the strengthening pool (22) is communicated with the first pipeline (17) through a second pipeline (24), a second electromagnetic valve (25) is arranged on the second pipeline (24), and the second electromagnetic valve (25) is electrically connected with the controller (8);
the backflow outlet has been seted up to sedimentation tank (6) bottom, the backward flow import has been seted up to flocculation basin (4) lateral wall, the backward flow export with the backward flow import is through third pipeline (27) intercommunication, be close to on third pipeline (27) sedimentation tank (6) are provided with third solenoid valve (28), be close to on third pipeline (27) flocculation basin (4) are provided with backwash pump (29), backwash pump (29) with third solenoid valve (28) all with controller (8) electricity is connected.
2. The system for treating the waste high polymer material recycling cleaning wastewater as claimed in claim 1, wherein a turbidity detector (26) is disposed at the water outlet (32), and an outlet of the turbidity detector (26) is communicated with the water outlet (32).
3. The waste high polymer material recycling cleaning wastewater treatment system according to claim 1, wherein the controller (8) is a 89C82 single chip microcomputer.
4. The system for treating the waste high polymer material recycling cleaning wastewater as claimed in claim 1, wherein a control switch (30) is arranged on the base (1), and the control switch (30) is electrically connected with the controller (8).
5. The system for treating the waste high polymer material recycling cleaning wastewater as claimed in claim 1, wherein the coagulant (19) is a mixture of aluminum sulfate and polyacrylamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710657278.XA CN107235544B (en) | 2017-08-03 | 2017-08-03 | Processing system for recycling cleaning wastewater from waste high polymer materials |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710657278.XA CN107235544B (en) | 2017-08-03 | 2017-08-03 | Processing system for recycling cleaning wastewater from waste high polymer materials |
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| CN107235544A CN107235544A (en) | 2017-10-10 |
| CN107235544B true CN107235544B (en) | 2020-12-01 |
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| CN201710657278.XA Expired - Fee Related CN107235544B (en) | 2017-08-03 | 2017-08-03 | Processing system for recycling cleaning wastewater from waste high polymer materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113582433A (en) * | 2021-06-18 | 2021-11-02 | 安徽金日晟矿业有限责任公司 | Mining industry effluent disposal system |
| CN113954267B (en) * | 2021-09-10 | 2024-06-18 | 满洲里达赉湖热电有限公司 | Household garbage cleaning device based on coal-fired power plant |
| CN114804415A (en) * | 2022-04-18 | 2022-07-29 | 中国建筑第二工程局有限公司 | Device and method for treating wastewater by utilizing composite efficient sedimentation tank |
| CN116750852B (en) * | 2023-08-22 | 2023-11-24 | 山东北方创信防水科技集团股份有限公司 | Coating production wastewater treatment device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205974034U (en) * | 2016-08-14 | 2017-02-22 | 天津华津世纪机电设备科技有限公司 | Circulation water treatment facilities |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205974034U (en) * | 2016-08-14 | 2017-02-22 | 天津华津世纪机电设备科技有限公司 | Circulation water treatment facilities |
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