CN118108379A - Sectional treatment equipment for fluorine-containing wastewater - Google Patents

Sectional treatment equipment for fluorine-containing wastewater Download PDF

Info

Publication number
CN118108379A
CN118108379A CN202410468213.0A CN202410468213A CN118108379A CN 118108379 A CN118108379 A CN 118108379A CN 202410468213 A CN202410468213 A CN 202410468213A CN 118108379 A CN118108379 A CN 118108379A
Authority
CN
China
Prior art keywords
fluorine
containing wastewater
filter plate
activated carbon
reaction tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410468213.0A
Other languages
Chinese (zh)
Inventor
胡晓聪
张志彬
翁凯
谭如斌
邵罗兰
汪涛
余旭航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinhua Tianyi Environmental Purification Agent Co ltd
Original Assignee
Jinhua Tianyi Environmental Purification Agent Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jinhua Tianyi Environmental Purification Agent Co ltd filed Critical Jinhua Tianyi Environmental Purification Agent Co ltd
Priority to CN202410468213.0A priority Critical patent/CN118108379A/en
Publication of CN118108379A publication Critical patent/CN118108379A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/12Halogens or halogen-containing compounds
    • C02F2101/14Fluorine or fluorine-containing compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus

Landscapes

  • 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)
  • Water Treatment By Sorption (AREA)

Abstract

The invention discloses a sectional treatment device for fluorine-containing wastewater, which belongs to the technical field of wastewater treatment devices and comprises a mounting frame, wherein a reaction tank, a filtering tank and a plurality of filtering cylinders are mounted on the mounting frame, a booster pump is arranged between the reaction tank and the filtering cylinders, hydraulic cylinders are mounted at four corners inside the reaction tank, a transverse plate is fixedly connected between output tops of the two corresponding hydraulic cylinders, calcium-containing compounds can be added in the reaction tank to remove fluorine ions, and under the cooperation of a reverse osmosis membrane in the filtering cylinder and an active carbon filtering plate group in the filtering tank, the multistage treatment of the fluorine-containing wastewater is realized, the deep purification is realized, the treatment effect is improved, meanwhile, under the cooperation of the hydraulic cylinders and a transverse adjusting frame, the calcium-containing compounds in a material frame and the wastewater can be fully reacted, and sediment after the reaction can be cleaned timely, and the treatment efficiency is improved.

Description

Sectional treatment equipment for fluorine-containing wastewater
Technical Field
The invention relates to the technical field of wastewater treatment equipment, in particular to a sectional treatment equipment for fluorine-containing wastewater.
Background
In industry, wastewater discharged from industries such as fluoric ore exploitation, metal smelting, aluminum processing, coke, glass, electronics, electroplating, chemical fertilizers, pesticides and the like often contains fluoride with high concentration, and the wastewater which is discharged after being not treated seriously pollutes the environment in which human beings depend to live.
Based on the above, the present inventors found that: when the fluorine-containing wastewater is treated, people usually only introduce the fluorine-containing wastewater into a larger treatment tank, and add calcium-containing compounds such as lime, lime milk or carbide slag to react fluorine ions with calcium ions to generate insoluble calcium fluoride precipitates, so that the fluorine ions are removed, although the treatment mode is simple, the treatment effect is often poor, a single treatment mode is easy to cause insufficient reaction of the wastewater and the calcium-containing compounds to be discharged, and meanwhile, the precipitates generated by the reaction in the treatment tank are usually collected for cleaning after the wastewater is treated by workers, but the accumulated excessive precipitates are easy to influence the normal reaction of the wastewater and the calcium-containing compounds, and also easily cause the blockage of a pipeline to influence the efficiency of the wastewater.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide the sectional treatment equipment for the fluorine-containing wastewater, which can add the calcium-containing compound into the reaction tank to remove fluorine ions, and under the cooperation of a reverse osmosis membrane in the filter cartridge and an activated carbon filter plate group in the filter tank, the fluorine-containing wastewater is subjected to multistage treatment, the deep purification is greatly improved, meanwhile, the hydraulic cylinder and the transverse adjusting frame are additionally arranged, so that the calcium-containing compound in the material frame fully reacts with the wastewater, and the reacted precipitate can be cleaned in time, the blockage of the precipitate to the pipeline is avoided, and the treatment efficiency is improved.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a segmentation treatment facility of fluorine-containing waste water, includes the mounting bracket, install reaction tank, filtration jar and a plurality of cartridge filter on the mounting bracket, be provided with the booster pump between reaction tank and the cartridge filter, the pneumatic cylinder is all installed to the inside four corners position of reaction tank, and fixedly connected with diaphragm between the output top of corresponding two pneumatic cylinders, the bottom surface of diaphragm is provided with horizontal alignment jig, the bottom of horizontal alignment jig is provided with the material frame, the inside active carbon filter plate group that is provided with of filtration jar, the inside reverse osmosis membrane that is provided with of cartridge filter.
Further, the water inlet end, the water outlet end and the sewage discharge end of the filter cartridge are respectively communicated through the multi-head water diversion pipe.
Furthermore, the water inlet end of the booster pump is communicated with the inside of the reaction tank through a first connecting pipe, and the water outlet end of the booster pump is communicated with the multi-head water diversion pipe of the water inlet end of the filter cylinder through a second connecting pipe.
Further, the transverse adjusting frame comprises a screw rod, two ends of the screw rod are arranged on the bottom surface of the transverse plate through bearing blocks, two movable rods are sleeved on the periphery of the screw rod in a threaded mode, and the bottom ends of the movable rods are fixedly connected with the outer side of the material frame.
Further, the outer circumferences of one ends of the two screw rods are fixedly connected with belt pulleys, and the two belt pulleys are in transmission connection through a synchronous belt.
Further, one of the screw rods is fixedly connected with a first gear at the periphery of the other end, a stepping motor is fixedly arranged on a transverse plate corresponding to the screw rod, an output shaft of the stepping motor is connected with a second gear through a coupling in a transmission manner, and the first gear is in meshed connection with the second gear.
Further, the top of the filtering tank is communicated with the multi-head water diversion pipe on the drainage end of the filtering cylinder in a three-phase mode through a connecting pipe, and the central position of the bottom of the filtering tank is fixed and communicated with a drain pipe.
Further, the activated carbon filter plate group consists of an activated carbon filter plate I, an activated carbon filter plate II and an activated carbon filter plate III, and is fixedly arranged at the middle position of the cavity of the filter tank, and the activated carbon filter plate I, the activated carbon filter plate II and the activated carbon filter plate III are distributed in parallel and equidistantly from top to bottom.
Furthermore, one end of the reaction tank is fixed and communicated with a water inlet pipe.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the calcium-containing compound is added into the reaction tank, so that most of fluoride ions in wastewater react with the calcium-containing compound to form calcium fluoride precipitate, and meanwhile, under the cooperation of the reverse osmosis membrane in the filter cartridge and the activated carbon filter plate group in the filter tank, the rest of fluoride ions are subjected to further filtration treatment, and the overall treatment operation realizes the functions of multistage treatment and deep purification of the fluoride-containing wastewater, so that the effect of the fluoride-containing wastewater treatment is greatly improved.
(2) According to the scheme, the hydraulic cylinder is additionally arranged, so that the material frame can be driven to longitudinally move, the transverse adjusting frame is driven to transversely move under the cooperation of the stepping motor, the first gear, the second gear, the belt pulley and the synchronous belt, the whole operation can enable the material frame to shake in waste water, calcium-containing compounds in the material frame can fully react with the waste water, meanwhile, the hydraulic cylinder is used for matching with the material frame, the waste water liquid level can be completely provided for the material frame, so that the sediment can be cleaned timely, the blockage of the sediment to the pipeline is avoided, and the treatment efficiency of the sediment is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the back-facing structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic diagram of the overall structure of the present invention;
FIG. 4 is a schematic diagram of the position structure of the reaction tank of the present invention;
FIG. 5 is a schematic view of the position structure of the transverse adjusting rack and the material rack of the invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 7 is a schematic view showing the internal structure of the filter tank of the present invention;
Fig. 8 is a schematic view showing the internal structure of the filter cartridge according to the present invention.
The reference numerals in the figures illustrate:
1. A mounting frame;
2. a reaction tank;
3. A filter tank;
4. a filter cartridge;
5. A booster pump;
6. A hydraulic cylinder;
7. A cross plate;
8. A transverse adjusting frame; 81. a screw rod; 82. a moving rod; 83. a belt pulley; 84. a synchronous belt; 85. a first gear; 86. a stepping motor; 87. a second gear;
9. a material rack;
10. a collection of activated carbon filter plates; 101. an active carbon filter plate I; 102. an active carbon filter plate II; 103. an active carbon filter plate III;
11. A reverse osmosis membrane;
12. A multi-head shunt pipe;
13. A drain pipe;
14. A water inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Examples:
Referring to fig. 1-8, a sectional treatment device for fluorine-containing wastewater comprises a mounting frame 1, wherein a reaction tank 2, a filtering tank 3 and a plurality of filtering cylinders 4 are mounted on the mounting frame 1, a booster pump 5 is arranged between the reaction tank 2 and the filtering cylinders 4, hydraulic cylinders 6 are mounted at four corners of the interior of the reaction tank 2, a transverse plate 7 is fixedly connected between output tops of the corresponding two hydraulic cylinders 6, a transverse adjusting frame 8 is arranged on the bottom surface of the transverse plate 7, a material frame 9 is arranged at the bottom of the transverse adjusting frame 8, an activated carbon filtering plate group 10 is arranged inside the filtering tank 3, and a reverse osmosis membrane 11 is arranged inside the filtering cylinders 4.
Referring to fig. 1, the water inlet end, the water outlet end and the sewage discharge end of the plurality of filter cartridges 4 are respectively communicated through a multi-head water diversion pipe 12.
Referring to fig. 1 and 3, the water inlet end of the booster pump 5 is communicated with the interior of the reaction tank 2 through a first connecting pipe, and the water outlet end of the booster pump 5 is communicated with the multi-head water diversion pipe 12 at the water inlet end of the filter cartridge 4 through a second connecting pipe.
Referring to fig. 5, the transverse adjusting frame 8 includes a screw rod 81, two ends of the screw rod 81 are mounted on the bottom surface of the transverse plate 7 through bearing blocks, two moving rods 82 are sleeved on the periphery of the screw rod 81, and the bottom ends of the moving rods 82 are fixedly connected with the outer side of the material frame 9.
Referring to fig. 5, the outer circumferences of one ends of the two screw rods 81 are fixedly connected with belt pulleys 83, and the two belt pulleys 83 are in transmission connection through a synchronous belt 84.
Referring to fig. 5 and 6, a first gear 85 is fixedly connected to the periphery of the other end of one screw rod 81, a stepping motor 86 is fixedly mounted on the corresponding transverse plate 7, an output shaft of the stepping motor 86 is connected with a second gear 87 through a coupling in a transmission manner, and the first gear 85 is in meshed connection with the second gear 87.
Referring to fig. 1 and 3, the top of the filtering tank 3 is three-phase communicated with a multi-head water diversion pipe 12 on the water discharge end of the filtering cylinder 4 through a connecting pipe, and a water discharge pipe 13 is fixed and communicated with the central position of the bottom of the filtering tank 3.
Referring to fig. 7, the activated carbon filter plate group 10 is composed of a first activated carbon filter plate 101, a second activated carbon filter plate 102 and a third activated carbon filter plate 103, and is fixedly arranged in the middle of the cavity of the filter tank 3, the first activated carbon filter plate 101, the second activated carbon filter plate 102 and the third activated carbon filter plate 103 are distributed in parallel and equidistantly from top to bottom, and when in use, the pore diameters of the first activated carbon filter plate 101, the second activated carbon filter plate 102 and the third activated carbon filter plate 103 are sequentially reduced.
Referring to fig. 1, one end of the reaction tank 2 is fixed and connected to a water inlet pipe 14.
When in use: the method comprises the steps of discharging fluorine-containing wastewater into a reaction tank 2 by utilizing a water inlet pipe 14, then placing a calcium-containing compound in a material frame 9, starting a hydraulic cylinder 6, utilizing the hydraulic cylinder 6 to move the material frame 9 downwards until the position of the upper opening of the material frame 9 is slightly higher than the wastewater level, starting a stepping motor 86 at the moment, rotating the stepping motor 86 forward first, then rotating reversely, synchronously rotating two screw rods 81 forward under the cooperation of a synchronous belt 84 and a belt pulley 83, rotating in the direction, further rotating the screw rods 81 in the rotating process, enabling a movable rod 82 to drive the material frame 9 to transversely reciprocate in the wastewater, enabling the calcium-containing compound in the movable rod to fully react with fluorine ions in the wastewater, lifting the material frame 9 by utilizing the hydraulic cylinder 6 after a period of reaction, taking out sediment, replacing the calcium-containing compound again, enabling the treatment effect to be improved, after the wastewater is treated in the reaction tank 2, pressurizing the wastewater into a filter drum 4 by utilizing a booster pump 5 again, separating solute and solvent in the wastewater by utilizing a reverse osmosis membrane 11, finally discharging the solute and the wastewater into a filter tank 3, and further purifying the wastewater by utilizing the filter plate 10 in the filter tank, and further carrying out the fluorine-containing wastewater treatment by utilizing the filter plate 10 to be greatly purified by utilizing the filter effect of the filter plate 10.
Finally, it should be noted that: in the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.

Claims (9)

1. The utility model provides a segmentation treatment facility of fluorine-containing waste water, includes mounting bracket (1), install reaction tank (2), filtration jar (3) and a plurality of cartridge filter (4) on mounting bracket (1), its characterized in that: be provided with booster pump (5) between reaction tank (2) and cartridge filter (4), pneumatic cylinder (6) are all installed in inside four corners position of reaction tank (2), and correspond fixedly connected with diaphragm (7) between the output top of two pneumatic cylinders (6), the bottom surface of diaphragm (7) is provided with horizontal alignment jig (8), the bottom of horizontal alignment jig (8) is provided with material frame (9), inside active carbon filter plate group (10) that are provided with of filtration jar (3), inside reverse osmosis membrane (11) that are provided with of cartridge filter (4).
2. The sectional treatment equipment for fluorine-containing wastewater according to claim 1, wherein: the water inlet end, the water outlet end and the sewage discharge end of the filter cartridges (4) are respectively communicated through a multi-head water diversion pipe (12).
3. The sectional treatment equipment for fluorine-containing wastewater according to claim 1, wherein: the water inlet end of the booster pump (5) is communicated with the inside of the reaction tank (2) through a first connecting pipe, and the water outlet end of the booster pump (5) is communicated with the multi-head water diversion pipe (12) at the water inlet end of the filter cylinder (4) through a second connecting pipe.
4. The sectional treatment equipment for fluorine-containing wastewater according to claim 1, wherein: the transverse adjusting frame (8) comprises a screw rod (81), two ends of the screw rod (81) are mounted on the bottom surface of the transverse plate (7) through bearing seats, two moving rods (82) are sleeved on the periphery of the screw rod (81) in a threaded mode, and the bottom ends of the moving rods (82) are fixedly connected with the outer side of the material frame (9).
5. The sectional treatment equipment for fluorine-containing wastewater according to claim 4, wherein: the peripheries of one ends of the two screw rods (81) are fixedly connected with belt pulleys (83), and the two belt pulleys (83) are in transmission connection through a synchronous belt (84).
6. The sectional treatment equipment for fluorine-containing wastewater according to claim 4, wherein: one of them lead screw (81) other end periphery fixedly connected with gear one (85), and fixedly mounted with step motor (86) on diaphragm (7) rather than corresponding, the output shaft of step motor (86) is connected with gear two (87) through the shaft coupling transmission, meshing connection between gear one (85) and gear two (87).
7. The sectional treatment equipment for fluorine-containing wastewater according to claim 1, wherein: the top of the filtering tank (3) is communicated with a multi-head water diversion pipe (12) on the water drainage end of the filtering cylinder (4) in a three-phase mode through a connecting pipe, and a water drainage pipe (13) is fixed and communicated with the center of the bottom of the filtering tank (3).
8. The sectional treatment equipment for fluorine-containing wastewater according to claim 1, wherein: the activated carbon filter plate group (10) consists of an activated carbon filter plate I (101), an activated carbon filter plate II (102) and an activated carbon filter plate III (103), and is fixedly arranged at the middle part of the cavity of the filter tank (3), and the activated carbon filter plate I (101), the activated carbon filter plate II (102) and the activated carbon filter plate III (103) are distributed in parallel and equidistance from top to bottom.
9. The sectional treatment equipment for fluorine-containing wastewater according to claim 1, wherein: one end of the reaction tank (2) is fixed and communicated with a water inlet pipe (14).
CN202410468213.0A 2024-04-18 2024-04-18 Sectional treatment equipment for fluorine-containing wastewater Pending CN118108379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410468213.0A CN118108379A (en) 2024-04-18 2024-04-18 Sectional treatment equipment for fluorine-containing wastewater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410468213.0A CN118108379A (en) 2024-04-18 2024-04-18 Sectional treatment equipment for fluorine-containing wastewater

Publications (1)

Publication Number Publication Date
CN118108379A true CN118108379A (en) 2024-05-31

Family

ID=91217321

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410468213.0A Pending CN118108379A (en) 2024-04-18 2024-04-18 Sectional treatment equipment for fluorine-containing wastewater

Country Status (1)

Country Link
CN (1) CN118108379A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118894582A (en) * 2024-09-29 2024-11-05 江苏京源环保股份有限公司 A method and device for treating fluorine-containing wastewater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118894582A (en) * 2024-09-29 2024-11-05 江苏京源环保股份有限公司 A method and device for treating fluorine-containing wastewater

Similar Documents

Publication Publication Date Title
CN118108379A (en) Sectional treatment equipment for fluorine-containing wastewater
CN118026401B (en) MBR membrane module
CN202107588U (en) Circulation cooling water on-line purifier
CN118993419A (en) Full quantization processing system of landfill leachate
CN213679997U (en) MBR membrane bioreactor
CN108249648A (en) A kind of multi-stage sewage electric flocculation processing system
CN220432567U (en) High-efficient zero release waste liquid recovery and regeneration system
CN209923146U (en) MBR integration sewage treatment device
CN218860426U (en) Acid waste liquid treatment device of mill
CN217921728U (en) TMF concentration and filtration system applied to sewage pretreatment
CN212800031U (en) Full-automatic car-washing wastewater circulating and purifying device
CN212450929U (en) Sewage treatment plant that treatment effeciency is high
CN114790068A (en) Pretreatment equipment and process for muddy water in photovoltaic slice wastewater
CN208279437U (en) A kind of multi-stage sewage electric flocculation processing system
CN113526736A (en) Waste acid recovery device and recovery method of lead-acid storage battery
CN208087379U (en) Silica removal device system in water
CN221344064U (en) Fluorine-containing wastewater treatment equipment
CN111453884A (en) High concentration industrial waste water purification treatment device
CN221275457U (en) Novel biochemical device for integrated membrane treatment
CN221217223U (en) Lead and zinc containing wastewater treatment device
CN218665652U (en) Heavy metal wastewater treatment and recovery system
CN220999464U (en) Waste water tubular membrane treatment device
CN217323669U (en) Filtering and purifying device for silicon powder-containing wastewater
CN220317563U (en) Chemical fertilizer industrial wastewater purification system
CN222540617U (en) A heavy metal wastewater treatment device and system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination