CN111054108A - Environment-friendly sewage treatment plant - Google Patents

Environment-friendly sewage treatment plant Download PDF

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Publication number
CN111054108A
CN111054108A CN201911356519.2A CN201911356519A CN111054108A CN 111054108 A CN111054108 A CN 111054108A CN 201911356519 A CN201911356519 A CN 201911356519A CN 111054108 A CN111054108 A CN 111054108A
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sewage treatment
sewage
filter
treatment tank
grid plate
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CN201911356519.2A
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吴晓敏
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • B01D2029/033—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting bar screens
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Filtration Of Liquid (AREA)

Abstract

本发明公开了一种环保型污水处理装置，属于污水处理技术领域，解决了污水处理时，杂质无法逐级过滤，容易造成堵塞，不易更换格栅板以及清理杂质的问题，其技术要点是：包括污水处理箱和过滤格栅板，所述污水处理箱一端上侧连接有进水管，污水处理箱一端下侧连接有出水管，污水处理箱内安装有过滤格栅板，过滤格栅板上设有过滤孔，过滤格栅板将污水处理箱内部分隔为多个过滤腔体，过滤腔体内安装有排泥组件，通过设置抽拉式的过滤格栅板，其不但方便对污水逐级过滤，方便对过滤格栅板的组装及更换，操作方便快捷；方便排污管将杂质及污泥抽出，也方便将附着在过滤格栅板表面的杂质刮除，避免过滤孔堵塞。

Figure 201911356519

The invention discloses an environment-friendly sewage treatment device, which belongs to the technical field of sewage treatment, and solves the problems that impurities cannot be filtered step by step during sewage treatment, which is easy to cause blockage, and it is difficult to replace grid plates and clean up impurities. The technical points are as follows: It includes a sewage treatment tank and a filter grid plate. The upper side of one end of the sewage treatment tank is connected with a water inlet pipe, and the lower side of one end of the sewage treatment tank is connected with a water outlet pipe. A filter grid plate is installed in the sewage treatment tank. There are filter holes, and the filter grid plate divides the interior of the sewage treatment tank into a plurality of filter chambers. The filter chamber is equipped with a sludge discharge component. By setting the pull-type filter grid plate, it not only facilitates the step-by-step filtration of sewage , It is convenient to assemble and replace the filter grid plate, and the operation is convenient and fast; it is convenient for the sewage pipe to extract impurities and sludge, and it is also convenient to scrape off the impurities attached to the surface of the filter grid plate to avoid clogging of the filter holes.

Figure 201911356519

Description

Environment-friendly sewage treatment plant
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an environment-friendly sewage treatment device.
Background
Sewage treatment: in order to achieve the process of purifying sewage which is discharged into a certain water body or reused, the sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the sewage treatment also increasingly enters the daily life of common people.
Sewage treatment needs to use the filter to filter the particulate matter, and the filter needs regularly to clear up. At present, the filter plate of the sewage treatment device on the market is mostly connected through bolts, so that a worker is required to disassemble the filter plate by means of a wrench, the disassembly of the filter plate is very inconvenient, the worker is inconvenient to work, and the whole replacement or assembly process is complicated. When the filter plate is used, filtered impurities are not conveniently discharged in time, and the impurities attached to the filter plate cannot be removed, so that the service cycle of the filter plate is short, and the replacement frequency is accelerated.
Therefore, it is desirable to provide an environment-friendly sewage treatment device, which aims to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the invention aims to provide an environment-friendly sewage treatment device to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an environment-friendly sewage treatment device comprises a sewage treatment box and a filtering grid plate, wherein the upper side of one end of the sewage treatment box is connected with a water inlet pipe, the lower side of one end of the sewage treatment box is connected with a water outlet pipe, the filtering grid plate is arranged in the sewage treatment box, and filtering holes are formed in the filtering grid plate;
the utility model discloses a sewage treatment device, including filtration grid board, fixed frame, sewage treatment case, filtration grid board, sewage treatment case bottom side, every filtration grid board is equipped with the mounting groove that is used for fixed frame to place, filtration grid board is installed in fixed frame, and fixed frame setting is in the guide slot of sewage treatment incasement wall, and sewage treatment case top is equipped with the mounting groove that is used for fixed frame to place, filtration grid board is the inside partition of sewage treatment case for a plurality of filtration cavitys, all is equipped with a drain on the sewage treatment case.
As a further aspect of the invention, the number of filter grid plates is at least 1.
As a further scheme of the invention, the number of the filtering grating plates is three, and the diameters of the filtering holes on the filtering grating plates are gradually reduced from one side of the water inlet pipe to one side of the water outlet pipe.
As a further scheme of the invention, the top of the fixed frame is connected with a moving plate, and a handle is arranged on the moving plate.
As a further scheme of the invention, an embedded groove is formed in the bottom of the sewage treatment tank, the bottom of the fixing frame is connected with the sealing gasket, and the bottom of the fixing frame is inserted into the embedded groove.
As a further scheme of the invention, a blowdown valve is arranged on the blowdown pipe, and the blowdown pipe is connected with a blowdown pump.
As a further scheme of the invention, the sludge discharge assembly comprises a scraping plate, a hairbrush frame, a cleaning brush and an electric push rod, wherein the scraping plate is connected with the electric push rod, and the electric push rod is arranged on the outer side of the bottom of the sewage treatment box.
As a further scheme of the invention, the scraping plate is vertically arranged along the bottom wall of the sewage treatment box, brush frames are connected with two sides of the scraping plate, and cleaning brushes are arranged on the brush frames.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the environment-friendly sewage treatment device, the pull-type filtering grating plates are arranged, so that sewage can be conveniently filtered step by step, the filtering grating plates can be conveniently assembled and replaced, and the operation is convenient and rapid; moreover, conveniently according to the demand, take impurity and precipitate in the filter cavity out, moreover, under the scraping of arranging the mud subassembly, make things convenient for the blow off pipe to take impurity and mud out, also make things convenient for the impurity that will adhere to on filter screen plate surface to strike off, avoid the filter hole to block up.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the invention.
FIG. 2 is a schematic structural diagram of a filter grid plate according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of the assembly of the sludge discharge assembly in the sewage treatment tank according to the embodiment of the invention.
FIG. 4 is a schematic structural diagram of a sludge discharge assembly in the embodiment of the invention.
Reference numerals: 1-sewage treatment box, 2-water inlet pipe, 3-water outlet pipe, 4-mounting groove, 5-guide groove, 6-fixing frame, 7-filtering grating plate, 8-filtering hole, 9-moving plate, 10-handle, 11-embedded groove, 12-sealing gasket, 13-sewage outlet, 14-sewage pipe, 15-sewage valve, 16-sewage pump, 17-mud discharging component, 18-scraper, 19-brush frame, 20-cleaning brush, 21-electric push rod and 22-guide hole.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1-2, an environment-friendly sewage treatment device comprises a sewage treatment tank 1 and a filtering grid plate 7, wherein a water inlet pipe 2 is connected to the upper side of one end of the sewage treatment tank 1, and a water outlet pipe 3 is connected to the lower side of one end of the sewage treatment tank 1, wherein the water inlet pipe 2 is used for conveying sewage containing impurities into the sewage treatment tank 1, and the water outlet pipe 3 is used for discharging the treated sewage; in the embodiment of the invention, the three filtering grid plates 7 are arranged, and the diameters of the filtering holes 8 on the three filtering grid plates 7 are gradually reduced from one side of the water inlet pipe 2 to one side of the water outlet pipe 3, so that impurities in sewage can be conveniently filtered step by step.
The filtering grating plate 7 is installed in the fixed frame 6, the fixed frame 6 is arranged in the guide groove 5 on the inner wall of the sewage treatment box 1, the top of the sewage treatment box 1 is provided with an installation groove 4 for placing the fixed frame 6, the top of the fixed frame 6 is connected with the movable plate 9, and the movable plate 9 is provided with a handle 10; the bottom of the sewage treatment box 1 is provided with an embedded groove 11, the bottom of the fixed frame 6 is connected with a sealing gasket 12, and the bottom of the fixed frame 6 is inserted into the embedded groove 11;
when the filtering grating plate 7 needs to be replaced or assembled, the fixing frame 6 is lifted up by gripping the handle 10 and is inserted into the guide groove 5 in the sewage treatment box 1 from the mounting groove 4, the fixing frame 6 slides along the guide groove 5, the bottom of the fixing frame 6 is embedded into the embedding groove 11, the bottom of the fixing frame 6 is sealed with the sewage treatment box 1 under the action of the sealing gasket 12, and the top of the fixing frame 6 is placed into the mounting groove 4 through the moving plate 9 for sealing; therefore, the assembly of the filter grid plate 7 is realized, and the filter grid plate 7 can be lifted out through the handle 10 during replacement, so that the operation is convenient and fast, and the time and the labor are saved.
In the embodiment of the invention, in order to conveniently discharge impurities filtered by the filtering grid plate 7, preferably, the filtering grid plate 7 divides the interior of the sewage treatment tank 1 into a plurality of filtering cavities, the sewage treatment tank 1 at the bottom side of each filtering cavity is provided with a sewage discharge outlet 13, the sewage discharge outlet 13 is connected with a sewage discharge pipe 14, the sewage discharge pipe 14 is provided with a sewage discharge valve 15, and the sewage discharge pipe 14 is connected with a sewage discharge pump 16; when sludge is required to be discharged, after the sewage pump 16 is started, the sewage valve 15 on the corresponding sewage discharge pipe 14 is opened, so that impurities in the filter cavity corresponding to the sewage discharge port 13 connected with the sewage discharge pipe 14 can be pumped out, and the impurities in the sewage treatment tank 1 can be conveniently cleaned regularly.
According to the environment-friendly sewage treatment device, the pull-type filtering grating plates 7 are arranged, so that sewage can be conveniently filtered step by step, the filtering grating plates 7 can be conveniently assembled and replaced, and the operation is convenient and rapid; and, conveniently according to the demand, take out impurity and precipitate in the filter cavity.
Example 2
Referring to fig. 1-2, an environment-friendly sewage treatment device, includes sewage treatment case 1 and filtration grid plate 7, sewage treatment case 1 one end upside is connected with inlet tube 2, and sewage treatment case 1 one end downside is connected with outlet pipe 3, install filtration grid plate 7 in the sewage treatment case 1, be equipped with on the filtration grid plate 7 and filter the filtration pore 8, filtration grid plate 7 is for a plurality of filtration cavitys with sewage treatment case 1 internal partitioning, all is equipped with a drain 13 on the sewage treatment case 1 of every filtration cavity bottom side, and drain 13 is connected with blow off pipe 14.
In order to avoid that impurities are attached to the filtering grating plates 7 and filter holes 8 are formed, and the impurities are precipitated at the bottom of the sewage treatment box 1 and cannot be pumped out through the sewage discharge pipe 14; referring to fig. 3 and 4, in the embodiment of the present invention, a sludge discharging assembly 17 is installed in a filter cavity of the sewage treatment tank 1, the sludge discharging assembly 17 includes a scraper 18, a brush frame 19, a cleaning brush 20 and an electric push rod 21, wherein the scraper 18 is connected to the electric push rod 21, the electric push rod 21 is installed at the outer side of the bottom of the sewage treatment tank 1, the scraper 18 is vertically installed along the bottom wall of the sewage treatment tank 1, the brush frame 19 is connected to two sides of the scraper 18, the cleaning brush 20 is arranged on the brush frame 19, and a flow guide hole 22 is further arranged on the scraper 18, when sludge scraping operation is performed, the electric push rod 21 pushes the scraper 18 to move along the bottom of the sewage treatment tank 1, so as to scrape impurities and sludge on the bottom wall of the sewage treatment tank 1 and push the scraper to one side of the sewage discharge outlet; meanwhile, the cleaning brushes 20 at the two sides of the scraper 18 clean the surface of the filter grating plate 7, so as to scrape off impurities attached to the surface of the filter grating plate 7 and avoid the filter holes 8 from being blocked.
The rest of the structure of this example is the same as example 1.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.

Claims (8)

1.一种环保型污水处理装置，包括污水处理箱(1)和过滤格栅板(7)，其特征在于，所述污水处理箱(1)一端上侧连接有进水管(2)，污水处理箱(1)一端下侧连接有出水管(3)，污水处理箱(1)内安装有过滤格栅板(7)，过滤格栅板(7)上设有过滤孔(8)；1. An environmentally friendly sewage treatment device, comprising a sewage treatment tank (1) and a filter grid plate (7), characterized in that an upper side of one end of the sewage treatment tank (1) is connected with a water inlet pipe (2), and the sewage A water outlet pipe (3) is connected to the lower side of one end of the treatment box (1), a filter grid plate (7) is installed in the sewage treatment box (1), and a filter hole (8) is arranged on the filter grid plate (7); 所述过滤格栅板(7)安装在固定框(6)内，固定框(6)设置在污水处理箱(1)内壁的导槽(5)内，污水处理箱(1)顶部设有用于固定框(6)放置的安装槽(4)，所述过滤格栅板(7)将污水处理箱(1)内部分隔为多个过滤腔体，每个过滤腔体底侧的污水处理箱(1)上均设有一个排污口(13)，排污口(13)与排污管(14)相连接，所述污水处理箱(1)的过滤腔体内安装有排泥组件(17)。The filter grid plate (7) is installed in the fixing frame (6), the fixing frame (6) is arranged in the guide groove (5) on the inner wall of the sewage treatment tank (1), and the top of the sewage treatment tank (1) is provided with a The installation groove (4) in which the fixed frame (6) is placed, the filter grid plate (7) divides the interior of the sewage treatment tank (1) into a plurality of filter cavities, and the sewage treatment tank ( 1) A sewage outlet (13) is provided on each, the sewage outlet (13) is connected with the sewage pipe (14), and a sludge discharge assembly (17) is installed in the filter cavity of the sewage treatment tank (1). 2.根据权利要求1所述的环保型污水处理装置，其特征在于，所述过滤格栅板(7)的数量至少为1个。2 . The environment-friendly sewage treatment device according to claim 1 , wherein the number of the filter grid plates ( 7 ) is at least one. 3 . 3.根据权利要求2所述的环保型污水处理装置，其特征在于，所述过滤格栅板(7)的数量为三个且其上的过滤孔(8)直径自进水管(2)一侧至出水管(3)一侧逐级缩小。3. The environment-friendly sewage treatment device according to claim 2, characterized in that, the number of the filter grid plates (7) is three and the diameter of the filter holes (8) on it is one from the water inlet pipe (2). The side to the side of the water outlet pipe (3) is gradually reduced. 4.根据权利要求1所述的环保型污水处理装置，其特征在于，所述固定框(6)顶部连接移动板(9)，移动板(9)上安装有手柄(10)。4. The environment-friendly sewage treatment device according to claim 1, characterized in that, the top of the fixed frame (6) is connected to a moving plate (9), and a handle (10) is installed on the moving plate (9). 5.根据权利要求3所述的环保型污水处理装置，其特征在于，所述污水处理箱(1)底部设有嵌入槽(11)，固定框(6)底部连接密封垫(12)，固定框(6)底部插入在嵌入槽(11)内。5. The environment-friendly sewage treatment device according to claim 3, characterized in that, the sewage treatment tank (1) is provided with an embedded groove (11) at the bottom, and the bottom of the fixing frame (6) is connected to a sealing gasket (12), which is fixed The bottom of the frame (6) is inserted into the embedding groove (11). 6.根据权利要求1所述的环保型污水处理装置，其特征在于，所述排污管(14)上安装有排污阀(15)，所述排污管(14)均连接排污泵(16)。6 . The environmentally friendly sewage treatment device according to claim 1 , wherein a sewage valve ( 15 ) is installed on the sewage pipe ( 14 ), and the sewage pipe ( 14 ) is connected to a sewage pump ( 16 ). 7 . 7.根据权利要求1-6任一所述的环保型污水处理装置，其特征在于，所述排泥组件(17)包括刮板(18)、毛刷边框(19)、清洁刷(20)以及电动推杆(21)，刮板(18)连接电动推杆(21)，电动推杆(21)安装在污水处理箱(1)底部外侧。7. The environment-friendly sewage treatment device according to any one of claims 1-6, wherein the sludge discharge assembly (17) comprises a scraper (18), a brush frame (19), and a cleaning brush (20) and the electric push rod (21), the scraper (18) is connected to the electric push rod (21), and the electric push rod (21) is installed on the outer side of the bottom of the sewage treatment tank (1). 8.根据权利要求7所述的环保型污水处理装置，其特征在于，所述刮板(18)沿污水处理箱(1)底壁竖立设置，刮板(18)两侧连接有毛刷边框(19)，毛刷边框(19)上设有清洁刷(20)。8 . The environmentally friendly sewage treatment device according to claim 7 , wherein the scraper ( 18 ) is erected along the bottom wall of the sewage treatment tank ( 1 ), and brush frames are connected on both sides of the scraper ( 18 ). (19), the brush frame (19) is provided with a cleaning brush (20).
CN201911356519.2A 2019-12-25 2019-12-25 Environment-friendly sewage treatment plant Withdrawn CN111054108A (en)

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CN111569508A (en) * 2020-06-05 2020-08-25 江苏华淼电子科技有限公司 A combined multi-layer filter element for water conservancy pipelines
CN111992165A (en) * 2020-08-17 2020-11-27 南京鼎立生物科技有限公司 Dewatering device of resin production
CN112361847A (en) * 2020-11-09 2021-02-12 湖州韵峰丝绸有限公司 High-temperature waste water waste heat recovery equipment for bleaching and processing bandage
CN113209693A (en) * 2021-04-19 2021-08-06 辽宁兴东科技有限公司 Vibrations formula sewage treatment plant convenient to detach edulcoration
CN113599874A (en) * 2021-07-14 2021-11-05 上海喆水科技集团有限公司 Energy-concerving and environment-protective industrial sewage treatment device
CN114436351A (en) * 2020-11-06 2022-05-06 江西嘉陶无机材料有限公司 A grid machine for sewage treatment
CN115254038A (en) * 2022-06-21 2022-11-01 陕西汇康职业卫生技术服务有限公司 Heavy metal industrial wastewater treatment material, preparation method thereof and wastewater treatment device
WO2022226788A1 (en) * 2021-04-27 2022-11-03 苏州新民丝绸有限公司 Silk weaving wastewater treatment device
CN119014301A (en) * 2024-09-18 2024-11-26 棕榈生态城镇发展股份有限公司 A garden irrigation water supply system with self-purification function

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CN119014301A (en) * 2024-09-18 2024-11-26 棕榈生态城镇发展股份有限公司 A garden irrigation water supply system with self-purification function

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Application publication date: 20200424