CN113697904A - Conveniently change DTRO membrane test device of diaphragm - Google Patents
Conveniently change DTRO membrane test device of diaphragm Download PDFInfo
- Publication number
- CN113697904A CN113697904A CN202110875143.7A CN202110875143A CN113697904A CN 113697904 A CN113697904 A CN 113697904A CN 202110875143 A CN202110875143 A CN 202110875143A CN 113697904 A CN113697904 A CN 113697904A
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- test device
- support plate
- test
- membrane
- dtro membrane
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- 238000012360 testing method Methods 0.000 title claims abstract description 96
- 239000012528 membrane Substances 0.000 title claims abstract description 69
- 238000003780 insertion Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000002788 crimping Methods 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- 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
-
- 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
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- 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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a DTRO membrane test device convenient for membrane replacement, which belongs to the field of membrane test devices and comprises a test rack, wherein the test rack comprises bottom universal wheels arranged at four corners of the bottom of the test rack, telescopic support legs arranged at one side of the bottom universal wheels, a middle support plate arranged in the middle of the test rack and a controller support plate arranged above the middle support plate. According to the invention, an output end of the high-pressure pump is connected with a connecting hole on the hexagonal opposite-insertion column through a pipeline, so that the bottom of the DTRO membrane test device and the connecting hole on the test rack can be quickly and oppositely inserted and sealed, meanwhile, the DTRO membrane test device can be greatly improved in installation and replacement efficiency through quick compression joint and fixation of the compression joint plate, the device is extremely practical, meanwhile, the device is divided into two layers, the control cabinet supporting plate with 120mm distance between the floor area of the device and the middle supporting plate is arranged, and the problem that the door of the electric cabinet can not be blocked by an instrument panel is solved.
Description
Technical Field
The invention relates to the field of membrane test devices, in particular to a DTRO membrane test device with a membrane convenient to replace.
Background
In the face of increasingly serious water pollution prevention and treatment situations, China is vigorously popularizing research work for supporting operation evaluation technical standards of large-scale sewage treatment equipment and system facilities, sewage containing large pollutants is generated in the landfill process of garbage by garbage penetrating fluid, and the sewage contains high organic matters, heavy metals and microorganisms and belongs to dangerous water sources. With the development and popularization of sewage treatment technology, a plurality of sewage treatment devices appear in the market, wherein the DRTO has high recovery rate and is not easy to cause secondary pollution, and the device is popular with national and environment-friendly enterprises.
DTR0 sewage treatment plant-a kind of device to treat high concentration sewage, the complete equipment runs around the membrane column group, the DTRO system is a reverse osmosis type, is the membrane module used for treating high concentration sewage specially, its core is the pipe disc type membrane column. The DTR0 diaphragm and the guide disc column are superposed, the stainless steel pull rod penetrates through the concentric circular holes of the middle diaphragm and the guide disc, and the front and the rear are clamped and locked by two circular end plates to form the DT RO system, so that the diaphragm occupies an important position in the whole D T RO system.
At present, the structure of the traditional DTRO membrane test device in China is complex, the DTRO membrane test assembly is inconvenient to replace and cannot freely move along with different devices, and the occupied area of the device is large and inconvenient to be tested along with a replacement membrane.
Aiming at the defects in the prior art, the invention discloses a DTRO membrane test device of our company, which solves the problems that the equipment cannot move freely, the membrane column is inconvenient to replace and test and the occupied area is large.
Disclosure of Invention
The invention aims to provide a DTRO membrane test device with a membrane convenient to replace so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a DTRO membrane test device convenient for replacing membranes comprises a test rack, wherein the test rack comprises a bottom universal wheel arranged at four corners of the bottom of the test rack, telescopic support legs arranged at one side of the bottom universal wheel, a middle support plate arranged at the middle part of the test rack, a controller support plate arranged above the middle support plate, a water tank frame arranged at one side above the controller support plate and a press connection plate arranged at the top of the test rack, the press connection plate is in press connection with the test rack through screws, the controller support plate, the middle support plate and the water tank frame are connected through clamping grooves, the bottom universal wheel and the telescopic support legs are connected through screws, a mounting rack is fixedly connected to the bottom of one side above the test rack, and a hexagonal opposite-inserting column is arranged inside a slotted hole above the mounting rack in an inserting and sealing manner, hexagonal is to inserting a post top integrated into one piece has DTRO membrane test device, DTRO membrane test device top is passed through the crimping board carries out the crimping and fixes.
As a further scheme of the invention: on the test rack the inside fixedly connected with of water tank frame washs the water tank, it is provided with electric cabinet to wash water tank one side, electric cabinet with the controller backup pad passes through the screw connection.
As a further scheme of the invention: the utility model discloses a membrane test device, including middle backup pad, test rack, feed liquor pump, safety filter, feed liquor pump below is provided with the feed liquor pump, there is the safety filter ware feed liquor pump below through the pipe connection, the feed liquor pump with the test rack passes through the bolt and connects, the feed liquor pump can pass through outside water source carry this membrane test device after the safety filter ware filters.
As a further scheme of the invention: there is a high-pressure pump one security filter one side through the tube coupling, a high-pressure pump output is connected the connecting hole on the post through pipeline and hexagonal to inserting, can realize DTRO membrane test device's bottom and this quick to inserting seal installation of connecting hole in the test rack, pass through simultaneously the quick crimping of crimping board is fixed, improvement DTRO membrane test device's that can be great installation and change efficiency, extremely practical.
As a further scheme of the invention: the side wall of the cleaning water tank is connected with a second high-pressure pump through a pipeline, the second high-pressure pump is connected with the DTRO membrane test device through a pipeline, and the second high-pressure pump can convey cleaning water in the cleaning water tank to the inside of the DTRO membrane test device to clean the inside of the DTRO membrane test device.
As a further scheme of the invention: intermediate support board and fixedly connected with instrument panel between the controller backup pad, instrument panel can carry out visual display to the measured data of each instrument.
As a further scheme of the invention: the electricity cabinet is the PLC switch board, the controller backup pad with interval between the intermediate strut board is 120mm, and solution electricity cabinet PLC control panel and instrument panel that can be reasonable are with one face and no longer retrain each other for the door body can be normal opens, makes control face and instrument panel with one face, and the change of better observation pressure, the operation is got up more thoughtlessly.
As a further scheme of the invention: the test rack is made of stainless steel, so that the machine has corrosion resistance, good mechanical property and tidy appearance.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, an output end of the high-pressure pump is connected with a connecting hole on the hexagonal opposite-insertion column through a pipeline, so that the bottom of the DTRO membrane test device and the connecting hole on the test rack can be quickly and oppositely inserted and sealed, meanwhile, the DTRO membrane test device can be greatly improved in installation and replacement efficiency through quick compression joint and fixation of the compression joint plate, the device is extremely practical, meanwhile, the device is divided into two layers, the control cabinet supporting plate with 120mm distance between the floor area of the device and the middle supporting plate is arranged, and the problem that the door of the electric cabinet can not be blocked by an instrument panel is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a front view of a test rack of the present invention;
fig. 4 is a partial enlarged view of the invention at a in fig. 1.
In the figure: 1. cleaning the water tank; 2. an electric cabinet; 3. a liquid inlet pump; 4. a cartridge filter; 5. a first high-pressure pump; 6. an instrument panel; 7. a second high-pressure pump; 8. a DTRO membrane test unit; 9. a test rack; 901. a bottom universal wheel; 902. a telescopic support leg; 903. a middle support plate; 904. a water tank frame; 905. a controller support plate; 906. a pressure welding plate; 10. a mounting frame; 11. and the hexagonal pairs of inserting columns.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in the embodiment of the invention, a DTRO membrane testing device 8 facilitating membrane replacement comprises a testing frame 9, wherein the testing frame 9 comprises a bottom universal wheel 901 arranged at four corners of the bottom of the testing frame 9, a telescopic supporting leg 902 arranged at one side of the bottom universal wheel 901, a middle supporting plate 903 arranged at the middle part of the testing frame 9, a controller supporting plate 905 arranged above the middle supporting plate 903, a water tank frame 904 arranged at one side above the controller supporting plate 905, and a crimping plate 906 arranged at the top of the testing frame 9, the crimping plate 906 is in crimping connection with the testing frame 9 through screws, the controller supporting plate 905, the middle supporting plate 903 and the water tank frame 904 are connected through clamping grooves, the bottom universal wheel 901 and the telescopic supporting leg are connected through screws, a mounting frame 10 is fixedly connected to the bottom of one side above the testing frame 9, a hexagonal pair of inserting columns 11 is inserted and sealed in slotted holes above the mounting frame 10, the DTRO membrane test device 8 is integrally formed above the hexagonal opposite inserted column 11, and the top of the DTRO membrane test device 8 is fixed by compression through a compression joint plate 906.
Wherein, the inside fixedly connected with of water tank frame 904 on the test rack 9 washs water tank 1, it is provided with electric cabinet 2 to wash 1 one side of water tank, electric cabinet 2 passes through the screw connection with controller backup pad 905, intermediate support plate 903 below is provided with feed liquor pump 3, 3 below of feed liquor pump is connected with safety filter 4 through the pipeline, feed liquor pump 3 passes through the bolt with test rack 9 and is connected, feed liquor pump 3 can carry this membrane test device after filtering with outside water source through safety filter 4.
Wherein, there is a high-pressure pump 5 on one side of the cartridge filter 4 through the tube coupling, and a 5 output ends of the high-pressure pump are connected with the connecting hole on the hexagonal plug-in column 11 through the pipeline, can realize that the bottom of DTRO membrane test device 8 is quick with this connecting hole on the experimental frame 9 to inserting seal installation, and it is fixed through the quick crimping of crimping board 906 simultaneously, and improvement DTRO membrane test device 8 that can be great installation and change efficiency are extremely practical.
Wherein, there are two 7 high-pressure pumps through the pipe connection on rinsing 1 lateral wall of water tank, two 7 high-pressure pumps pass through the pipeline and are connected with DTRO membrane test device 8, two 7 high-pressure pumps can carry DTRO membrane test device 8 inside with rinsing water of rinsing 1 inside of water tank inside, wash DTRO membrane test device 8's inside, fixedly connected with instrument panel 6 between intermediate support plate 903 and controller backup pad 905, instrument panel 6 can carry out visual display to the detected data of each instrument.
Wherein, electricity cabinet 2 is the PLC switch board, the interval between controller backup pad 905 and the intermediate support plate 903 is 120mm, 2PLC control panel of solution that can be reasonable and instrument panel 6 with one face and no longer retrain each other, make the door body can be normal open, make control face and instrument panel 6 with one face, the change of better observation pressure, it is more comfortable that the operation is got up, test frame 9 is stainless steel, it is clean and tidy to make the machine have anticorrosive and good mechanical properties and outward appearance.
The working principle of the invention is as follows: the membrane test device is integrally installed and fixed inside the test rack 9, and the integrated layout is adopted, so that the operation is more convenient and clear; the external frame is made of stainless steel, so that the machine has corrosion resistance, good mechanical property and neat appearance, the bottom surface of the machine support is also provided with a bottom universal wheel 901 and a telescopic supporting leg 902, the equipment can move freely and is easy to carry, meanwhile, the telescopic supporting leg 902 can provide stable support for the device, an external water source can be filtered by a security filter 4 and then conveyed into the DTRO membrane test device by a liquid inlet pump 3, then water is conveyed into the DTRO membrane test device 8 by a high-pressure pump 5 for testing, after the test is finished, cleaning water in a cleaning water tank 1 can be conveyed into the DTRO membrane test device 8 by a high-pressure pump 7, the interior of the DTRO membrane test device 8 is cleaned, an instrument panel 6 is fixedly connected between an intermediate supporting plate 903 and a controller supporting plate 905, and the instrument panel 6 can visually display the detection data of each instrument, the connecting hole on the post 11 is inserted through pipeline and hexagonal to 5 output ends of high-pressure pump is connected, can realize DTRO membrane test device 8's bottom and this quick to inserting seal installation of connecting hole on the experimental frame 9, simultaneously it is fixed through the quick crimping of crimping board 906, improvement DTRO membrane test device 8's that can be great installation and change efficiency, it is extremely practical, the arrangement is pleasing to the eye in the device, the stringing is neat compact, equipment complete sets ization, the bottom adds and is equipped with the assembly pulley, make it be equipped with PLC control system simultaneously to be convenient for remove, degree of automation is high, operating personnel only need simple cultivation, just can utilize freely, the device divide into two-layer design, the area that reduces the device sets up the switch board backup pad that has 120mm interval with intermediate support plate 903, solve the problem that 2 doors of electricity cabinet have not been blocked by instrument panel 6.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a conveniently change DTRO membrane test device of diaphragm, includes test frame (9), its characterized in that: the test rack (9) comprises a bottom universal wheel (901) arranged at the four corners of the bottom of the test rack (9), telescopic support legs (902) arranged at one side of the bottom universal wheel (901), an intermediate support plate (903) arranged at the middle part of the test rack (9), a controller support plate (905) arranged above the intermediate support plate (903), a water tank frame (904) arranged at one side above the controller support plate (905) and a crimping plate (906) arranged at the top of the test rack (9), wherein the crimping plate (906) is in crimping connection with the test rack (9) through screws, the controller support plate (905), the intermediate support plate (903) and the water tank frame (904) are connected through clamping grooves, and the bottom universal wheel (901) and the telescopic support legs (902) are connected through screws, test frame (9) top one side bottom fixedly connected with mounting bracket (10), the inside grafting sealing mounting of slotted hole of mounting bracket (10) top has the hexagonal to inserting post (11), the hexagonal has DTRO membrane test device (8) to inserting post (11) top integrated into one piece, DTRO membrane test device (8) top is passed through crimping board (906) carry out the crimping and fix.
2. The DTRO membrane test device with easy membrane replacement of claim 1, wherein: on test rack (9) inside fixedly connected with of water tank frame (904) washs water tank (1), it is provided with electric cabinet (2) to wash water tank (1) one side, electric cabinet (2) with controller backup pad (905) passes through the screw connection.
3. The DTRO membrane test device with easy membrane replacement of claim 2, wherein: the liquid inlet pump (3) is arranged below the middle supporting plate (903), a security filter (4) is connected to the lower portion of the liquid inlet pump (3) through a pipeline, and the liquid inlet pump (3) is connected with the test rack (9) through bolts.
4. The DTRO membrane test device with easy membrane replacement of claim 3, wherein: one side of the cartridge filter (4) is connected with a first high-pressure pump (5) through a pipeline, and the output end of the first high-pressure pump (5) is connected with a connecting hole in the hexagonal opposite insertion column (11) through a pipeline.
5. The DTRO membrane test device with easy membrane replacement of claim 1, wherein: one side wall of the cleaning water tank (1) is connected with a second high-pressure pump (7) through a pipeline, and the second high-pressure pump (7) is connected with the DTRO membrane test device (8) through a pipeline.
6. The DTRO membrane test device with easy membrane replacement of claim 1, wherein: an instrument panel (6) is fixedly connected between the intermediate support plate (903) and the controller support plate (905).
7. The DTRO membrane test device with easy membrane replacement of claim 1, wherein: the electric cabinet (2) is a PLC control cabinet, and the distance between the controller support plate (905) and the intermediate support plate (903) is 120 mm.
8. The DTRO membrane test device with easy membrane replacement of claim 1, wherein: the test rack (9) is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110875143.7A CN113697904A (en) | 2021-07-30 | 2021-07-30 | Conveniently change DTRO membrane test device of diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110875143.7A CN113697904A (en) | 2021-07-30 | 2021-07-30 | Conveniently change DTRO membrane test device of diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113697904A true CN113697904A (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110875143.7A Pending CN113697904A (en) | 2021-07-30 | 2021-07-30 | Conveniently change DTRO membrane test device of diaphragm |
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| CN (1) | CN113697904A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160251239A1 (en) * | 2014-01-09 | 2016-09-01 | Tsinghua University | Method and apparatus for processing radioactive wastewater |
| CN107601725A (en) * | 2017-11-02 | 2018-01-19 | 厦门嘉戎技术股份有限公司 | A kind of container-type garbage percolation liquid treating system and technique |
| CN209797624U (en) * | 2018-12-11 | 2019-12-17 | 杭州欧凯膜技术有限公司 | landfill leachate container emergency system |
| CN209835783U (en) * | 2019-01-15 | 2019-12-24 | 中国市政工程中南设计研究总院有限公司 | Nanofiltration integrated device for removing hardness of groundwater |
| CN211837290U (en) * | 2019-12-20 | 2020-11-03 | 天津汇仁源环保科技有限公司 | Disc tube type membrane separation membrane column testing device |
| CN212799861U (en) * | 2020-04-21 | 2021-03-26 | 湖南生命伟业环保科技股份有限公司 | Water making device |
| CN213171594U (en) * | 2020-09-11 | 2021-05-11 | 重庆耐德环境技术有限公司 | Membrane treatment facility integrated device |
| CN213289323U (en) * | 2020-09-22 | 2021-05-28 | 广东碟中碟膜技术有限公司 | DTRO membrane column equipment dolly |
-
2021
- 2021-07-30 CN CN202110875143.7A patent/CN113697904A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160251239A1 (en) * | 2014-01-09 | 2016-09-01 | Tsinghua University | Method and apparatus for processing radioactive wastewater |
| CN107601725A (en) * | 2017-11-02 | 2018-01-19 | 厦门嘉戎技术股份有限公司 | A kind of container-type garbage percolation liquid treating system and technique |
| CN209797624U (en) * | 2018-12-11 | 2019-12-17 | 杭州欧凯膜技术有限公司 | landfill leachate container emergency system |
| CN209835783U (en) * | 2019-01-15 | 2019-12-24 | 中国市政工程中南设计研究总院有限公司 | Nanofiltration integrated device for removing hardness of groundwater |
| CN211837290U (en) * | 2019-12-20 | 2020-11-03 | 天津汇仁源环保科技有限公司 | Disc tube type membrane separation membrane column testing device |
| CN212799861U (en) * | 2020-04-21 | 2021-03-26 | 湖南生命伟业环保科技股份有限公司 | Water making device |
| CN213171594U (en) * | 2020-09-11 | 2021-05-11 | 重庆耐德环境技术有限公司 | Membrane treatment facility integrated device |
| CN213289323U (en) * | 2020-09-22 | 2021-05-28 | 广东碟中碟膜技术有限公司 | DTRO membrane column equipment dolly |
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Application publication date: 20211126 |