CN221141372U - Ion exchange sewage treatment device - Google Patents
Ion exchange sewage treatment device Download PDFInfo
- Publication number
- CN221141372U CN221141372U CN202323277067.3U CN202323277067U CN221141372U CN 221141372 U CN221141372 U CN 221141372U CN 202323277067 U CN202323277067 U CN 202323277067U CN 221141372 U CN221141372 U CN 221141372U
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- China
- Prior art keywords
- tank
- water
- ion exchange
- filter
- water inlet
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- 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.)
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- 238000005342 ion exchange Methods 0.000 title claims abstract description 70
- 239000010865 sewage Substances 0.000 title abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 186
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 239000011347 resin Substances 0.000 claims abstract description 42
- 229920005989 resin Polymers 0.000 claims abstract description 42
- 238000011001 backwashing Methods 0.000 claims abstract description 39
- 238000005273 aeration Methods 0.000 claims abstract description 32
- 150000003839 salts Chemical class 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims abstract description 13
- 239000006004 Quartz sand Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000004065 wastewater treatment Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 description 12
- 239000012535 impurity Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 239000012267 brine Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- 238000005276 aerator Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The utility model relates to an ion exchange sewage treatment device, which comprises: a filter layer structure consisting of a resin layer, a quartz sand layer and a supporting layer which are sequentially arranged from top to bottom is arranged in the ion exchange filter, the ion exchange filter is divided into an upper chamber and a lower chamber by the filter layer structure, a water inlet, a water outlet, a backwash liquid inlet and a backwash liquid outlet are arranged on the ion exchange filter, the water inlet and the backwash liquid inlet are communicated with the lower chamber, and the water outlet and the backwash liquid outlet are communicated with the upper chamber; the water outlet end of the raw water tank is connected with the water inlet, the water outlet end of the clean water tank is respectively connected with the backwash liquid inlet and the water inlet end of the salt dissolving tank, the water outlet end of the salt dissolving tank is connected with the backwash liquid inlet, the water inlet end of the backwash waste liquid tank is connected with the backwash liquid outlet, and the air outlet end of the aeration device is respectively introduced into the resin layer and the lower chamber through the aeration pipe. The sewage treatment device adopts a filter tank civil structure, solves the problem of complex valve multi-operation, and has the advantages of large treatment scale, small resin backwashing loss and the like.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an ion exchange sewage treatment device.
Background
The traditional ion exchange container takes a tank body as an ion exchange reactor, and the traditional ion exchange tank has complex piping and a plurality of control valves; when large-scale water is treated, the defects of large quantity of traditional ion exchange tanks, large occupied area, large quantity of valves and water distribution pipes, complex control, insufficient backwashing and the like exist.
Therefore, it is necessary to design an ion exchange sewage treatment apparatus to overcome the above problems.
Disclosure of utility model
The utility model aims to provide an ion exchange sewage treatment device, which adopts a filter tank civil structure, solves the problem of complex valve multi-operation, and has the advantages of large treatment scale, small resin backwashing loss and the like.
The utility model provides an ion exchange sewage treatment device, which comprises: raw water tank, ion exchange filter tank, clean water tank, backwash waste liquid tank, salt dissolving tank and aeration device; a filter layer structure consisting of a resin layer, a quartz sand layer and a supporting layer which are sequentially arranged from top to bottom is arranged in the ion exchange filter, the ion exchange filter is divided into an upper chamber and a lower chamber by the filter layer structure, a water inlet, a water outlet, a backwash liquid inlet and a backwash liquid outlet are arranged on the ion exchange filter, the water inlet and the backwash liquid inlet are communicated with the lower chamber, and the water outlet and the backwash liquid outlet are communicated with the upper chamber; the water outlet end of the raw water tank is connected with the water inlet, the water outlet end of the clean water tank is respectively connected with the backwash liquid inlet and the water inlet end of the salt dissolving tank, the water outlet end of the salt dissolving tank is connected with the backwash liquid inlet, the water inlet end of the backwash waste liquid tank is connected with the backwash liquid outlet, and the air outlet end of the aeration device is respectively introduced into the resin layer and the lower chamber through the aeration pipe.
Further, a plurality of long handle filter heads are arranged on the supporting layer.
Further, a water receiving tank, a backwashing tank and a water distribution tank are arranged on the ion exchange filter tank, the water inlet end of the water receiving tank is connected with the water inlet, the water outlet end of the water receiving tank is connected with the water inlet end of the water distribution tank through a water inlet gate, the water inlet end of the backwashing tank is connected with the water inlet end of the water distribution tank through a backwashing gate, the water outlet end of the backwashing tank is connected with a backwashing liquid discharge tank, and the water outlet end of the water distribution tank is arranged above the resin layer.
Further, a plurality of water distribution grooves are arranged on the upper cavity, and the water outlet ends of the water distribution grooves are distributed above the resin layer.
Further, the water outlet end of the water distribution tank is provided with a filter screen.
Further, an ultrasonic cleaner for cleaning the filter screen is arranged on the ion exchange filter tank.
Further, the ultrasonic cleaner is provided with a cleaning arm which is used for ultrasonic cleaning of the telescopic adjustment of the filter screen, and a movable detachable brush head is arranged on the cleaning arm.
Further, the ion exchange filter tank is provided with a high-pressure water spray pipe facing the brush head.
Further, the ultrasonic cleaner is movably mounted on the ion exchange filter along the extending direction of the filter screen.
Further, the salt dissolving tank and the clean water tank are both provided with liquid level meters.
The utility model has the following advantages and beneficial effects: the sewage treatment device can use the filter tank as an ion exchange filter tank, namely an ion exchange reaction container, and compared with the traditional ion exchange tank, the filter tank is provided with a water distribution tank so as to lead water distribution to be uniform; the filter screen is additionally arranged on the water distribution tank, so that impurities in the water can be intercepted, and the influence of the impurities on the resin is reduced; the impurities attached to the filter screen are cleaned by the ultrasonic cleaner, so that the filter screen blockage is reduced. Meanwhile, the specific gravity of the resin is small, the filtering speed is high in the back flushing process, the strength is high, pulse flushing is realized in the air flushing, so that the resin back flushing is not taken away by flushing water, meanwhile, the resin back flushing process is more complete by utilizing air-water combination, the resin drifting along with water can be intercepted by a filter screen, and the loss of the resin is reduced. In addition, when handling large-scale water yield, traditional ion exchange tank's quantity is many, and the size is big, and is transported difficultly, and area is big, and distribution pipe and valve quantity are many, and the operation is complicated, and ion exchange filter can be fine solution above problem.
Drawings
FIG. 1 is a schematic view showing the structure of an ion exchange wastewater treatment apparatus according to a preferred embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an ion exchange filter according to a preferred embodiment of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B;
FIG. 5 is a schematic view showing the structure of an ion exchange filter according to a preferred embodiment of the present utility model;
FIG. 6 is a schematic view showing another angle of the ion exchange filter according to a preferred embodiment of the present utility model;
reference numerals illustrate:
1. a raw water tank, 11, a water inlet pump,
2. The ion exchange filter tank, 21, an upper chamber, 22, a resin layer, 23, a quartz sand layer, 24, a supporting layer, 25, a lower chamber, 26, a long handle filter head, 27, a water receiving tank, 28, a back washing tank, 29, a first water inlet gate, 210, a second water inlet gate, 211, a first back washing gate, 212, a second back washing gate, 213, a filter screen, 214, an ultrasonic cleaner, 215, a water distribution tank, 216, a resin layer aerator pipe, 217, a water outlet, 218, a back washing liquid outlet, 219, a back washing liquid inlet, 220, a lower chamber aerator pipe, 221, a water inlet, 222, a high pressure water spray pipe, 223, a brush head, 224, an inductor, 225 and a cleaning arm,
3. A clean water tank 31, a first liquid level meter,
4. A backwash waste liquid tank, 41, a backwash pump, 42 and a backwash valve,
5. A salt dissolving tank 51, a second liquid level meter 52, a brine pump 53, a brine control valve 54 and a clear water control valve,
6. An aeration device 61, a first aeration valve 62 and a second aeration valve.
Detailed Description
For a better understanding of the present utility model, the following examples are further illustrative of the present utility model, but the contents of the present utility model are not limited to the following examples only.
As shown in fig. 1 to 6, an ion exchange sewage treatment apparatus includes: raw water tank 1, ion exchange filter tank 2, clean water tank 3, backwash waste liquid tank 4, salt dissolving tank 5 and aeration device 6.
Wherein, the ion exchange filter 2 is internally provided with a resin layer 22, a quartz sand layer 23 and a supporting layer 24 from top to bottom in sequence, the resin layer 22, the quartz sand layer 23 and the supporting layer 24 form a filter layer structure, the filter layer structure divides the ion exchange filter 2 into an upper chamber 21 and a lower chamber 25, and the supporting layer 24 is provided with a plurality of long handle filter heads 26. Meanwhile, the ion exchange filter tank 2 is provided with a water inlet 221, a water outlet 218, a backwash liquid inlet 219 and a backwash liquid outlet 218; wherein the water inlet 221 and backwash inlet 219 are in communication with the lower chamber 25 and the water outlet 218 and backwash outlet are in communication with the upper chamber 21. Meanwhile, the water outlet end of the raw water tank 1 is connected with a water inlet 221 through a water inlet pump 11, the water outlet end of a backwash pump 41 in a clean water tank 3 is respectively connected with a backwash liquid inlet 219 and a water inlet end of a salt dissolving tank 5 through a backwash valve 42 and a clean water control valve 54, the water outlet end of the salt dissolving tank 5 is connected with the backwash liquid inlet 219 through a salt water pump 52, the water inlet end of a backwash waste liquid tank 4 is connected with a backwash liquid outlet 218, the air outlet end of an aeration device 6 is respectively connected with a lower chamber aeration pipe 220 and a resin layer aeration pipe 206 through a first aeration valve 61 and a second aeration valve 62, the lower chamber aeration pipe 220 and the resin layer aeration pipe 206 are respectively led into a lower chamber 25 and a resin layer 22, the lower chamber aeration pipe 220 and the resin layer aeration pipe 206 are perforated aeration pipes, the aeration pipe material adopts PVC material perforation, and the filter cloth is sleeved; and a second liquid level meter 51 and a first liquid level meter 31 are respectively arranged on the salt dissolving tank 5 and the clean water tank 3.
As shown in fig. 1 to 6, the ion exchange filter tank 2 is provided with a water receiving tank 27, a backwashing tank 28 and two water distribution tanks 215, and the water outlet ends of the water distribution tanks 215 are arranged above the resin layer 22 and distributed on two opposite sides above the resin layer 22. The water inlet end of the water receiving tank 27 is connected with the water inlet 221, the water outlet end of the water receiving tank 27 is respectively connected with the water inlet ends of the two water distribution tanks 215 through a first water inlet gate 29 and a second water inlet gate 210, the water inlet end of the backwashing tank 28 is respectively connected with the water inlet ends of the two water distribution tanks 215 through a first backwashing gate 211 and a second backwashing gate 212, and the water outlet end of the backwashing tank 28 is connected with the backwashing waste liquid tank 4.
Meanwhile, the upper ends of the two water distribution tanks 215 are water outlet ends, a filter screen 213 is arranged on the water outlet ends, the stainless steel material and the water distribution tanks 215 are arranged at an angle of 60 degrees and used for intercepting impurities in wastewater, the aperture of the filter screen 213 is 0.1-0.3 mm, and water outlet after waste interception sequentially enters an upper chamber 21, a resin layer 22, a quartz sand layer 23, a supporting layer 24 and a lower chamber 25 in the filter tank.
The ion exchange filter 2 is provided with an ultrasonic cleaner 214 for cleaning the filter screen 213, and the ultrasonic cleaner 214 is mounted on the ion exchange filter 2 so as to be movable in the extending direction of the filter screen 213. Wherein, the ultrasonic cleaner 214 is provided with a cleaning arm 225 for ultrasonic cleaning of the filter screen 213, an inductor 224 is installed on the cleaning arm 225, and a movable detachable brush head 223 is installed on the cleaning arm 225, the brush head 223 vibrates at high frequency by ultrasonic waves, the vibration frequency can reach 1-3 ten thousand times, and meanwhile, a high-pressure water spray pipe 222 facing the brush head 223 is arranged on the ion exchange filter tank 2.
In the actual treatment process, the water outlet end of the raw water tank 1 is connected with the water inlet 221 of the ion exchange filter tank 2 in series, the water inlet pump 11 conveys the wastewater into the ion exchange filter tank 2, the wastewater is jointly shunted into the water distribution grooves 215 on two sides through the water receiving groove 27, the first water inlet gate 29 and the second water inlet gate 210, the filtered wastewater is intercepted and filtered by the filter screen 213 on the water distribution grooves 215, the filtered wastewater enters the tank body, sequentially flows through the upper chamber 21 of the tank body and then enters the resin layer 22 for ion exchange, the exchanged wastewater reaches the supporting layer 24 through the quartz sand layer 23, the long-handle filter head 26 on the supporting layer 24 is conveyed to the lower chamber 25, the reacted wastewater is collected in the lower chamber 25 and discharged from the water outlet 218 communicated with the lower chamber 25, and the inflow clean water tank 3 is stored or discharged.
In the backwashing process, clear water is conveyed by a backwashing pump 41 arranged in the clear water tank 3, and the backwashing pump 41 is connected with a backwashing liquid inlet 219 of the ion exchange filter tank 2, so that clear water enters the ion exchange filter tank 2 for backwashing. During backwashing, the first water inlet gate 29 and the second water inlet gate 210 are closed, the first backwashing gate 211 and the second backwashing gate 212 are opened to perform clear water backwashing, when the liquid level reaches the middle part of the upper chamber 21, the backwashing pump 41 stops water inlet, the backwashing gate is closed, the aeration device 6 is opened, the first aeration valve 61 is opened, the aeration pipe 220 of the lower chamber starts aeration, and air-water backwashing is performed. When the liquid level forms a suspended pollutant layer, the first bag aeration valve is closed, the backwash pump 41 and the backwash valve 42 are opened, the backwash flow is controlled, the second aeration valve 62 is opened, and the resin layer aeration pipe 216 starts aeration, namely middle-stage aeration, so that suspended pollutants staying above the resin layer 22 gradually overflow and are washed away. The resin carried away along with water in backwashing is intercepted by the filter screen 213 of the water distribution tank 215, and meanwhile, the ultrasonic cleaner 214 works, so that the resin remained on the filter screen 213 is flushed back into the tank body, suspended pollutants remained on the filter screen 213 are flushed away, and the loss of the resin and the blockage of the filter screen 213 are reduced. The backwash waste liquid flowing into the water distribution tank 215 enters the backwash tank 28 to be collected, the backwash liquid outlet 218 is connected with the backwash waste liquid tank 4, and the backwash liquid outlet 218 communicated with the backwash tank 28 is discharged into the backwash waste liquid tank 4.
Wherein, backwash pump 41 branch connection dissolves salt pond 5, middle series connection clear water control valve 54, and backwash pump 41 through clean water pond 3 pumps clear water and gets into and dissolve salt pond 5 for dissolve salt, and salt water is as the regeneration fluid, sets up second level gauge 51 in dissolving salt pond 5, and the water outlet of dissolving salt pond 5 connects backwash inlet 219 on the ion exchange filter 2, middle series connection brine pump 52 and salt water control valve 53.
In the specific backwashing process, the backwashing flow rate is high, the strength is high, the reserved height of the upper chamber 21 is more than or equal to 4m, the resin particles are small, and the particle size is about: the aperture of the filter screen 213 is controlled to be 0.3-1.3 mm, namely, the aperture of the filter screen 213 is controlled to be 0.1-0.3 mm, the water distribution groove 215 is installed at an angle of 60 degrees with the filter screen 213, the aperture of the filter screen is small, the filter screen is prevented from being blocked, the movable ultrasonic cleaner 214 is adopted for cleaning, the cleaning arm 225 of the ultrasonic cleaner 214 is telescopic, the brush head 223 on the cleaning arm 225 is a movable detachable brush head 223, the vibration frequency of the brush head 223 is 1-3 ten thousand times, a high-pressure water spray pipe 222 is arranged beside the ultrasonic cleaner 214, the ultrasonic cleaner 214 is powered by charging a lithium battery, and meanwhile, the movement of a vehicle is controlled through the sensor 224.
The sewage treatment device can use the filter tank as the ion exchange filter tank 2, namely an ion exchange reaction container, and compared with the traditional ion exchange tank, the filter tank is provided with a water distribution tank 215 so as to lead the water distribution to be uniform; the filter screen 213 is additionally arranged on the water distribution tank 215, so that impurities in the water can be trapped, and the influence of the impurities on the resin is reduced; impurities attached to the filter screen are cleaned by the ultrasonic cleaner 214, so that the filter screen blockage is reduced. Meanwhile, the specific gravity of the resin is small, the filtering speed is high in the back flushing process, the strength is high, pulse flushing is realized in the air flushing, so that the resin back flushing is not taken away by flushing water, meanwhile, the resin back flushing process is more complete by utilizing air-water combination, the resin drifting along with water can be intercepted by the filter screen 213, and the loss of the resin is reduced. In addition, when handling large-scale water yield, traditional ion exchange tank's quantity is big, and the size is big, and is transported difficultly, and area is big, and distribution pipe and valve quantity are many, and the operation is complicated, and ion exchange filter 2 can fine solution above problem.
While the utility model has been described with respect to the preferred embodiments, it will be understood that the utility model is not limited thereto, but is capable of modification and variation without departing from the spirit of the utility model, as will be apparent to those skilled in the art.
Claims (10)
1. An ion exchange wastewater treatment device, comprising: raw water tank, ion exchange filter tank, clean water tank, backwash waste liquid tank, salt dissolving tank and aeration device; a filter layer structure consisting of a resin layer, a quartz sand layer and a supporting layer which are sequentially arranged from top to bottom is arranged in the ion exchange filter, the ion exchange filter is divided into an upper chamber and a lower chamber by the filter layer structure, a water inlet, a water outlet, a backwash liquid inlet and a backwash liquid outlet are arranged on the ion exchange filter, the water inlet and the backwash liquid inlet are communicated with the lower chamber, and the water outlet and the backwash liquid outlet are communicated with the upper chamber; the water outlet end of the raw water tank is connected with the water inlet, the water outlet end of the clean water tank is respectively connected with the backwash liquid inlet and the water inlet end of the salt dissolving tank, the water outlet end of the salt dissolving tank is connected with the backwash liquid inlet, the water inlet end of the backwash waste liquid tank is connected with the backwash liquid outlet, and the air outlet end of the aeration device is respectively introduced into the resin layer and the lower chamber through the aeration pipe.
2. The ion exchange wastewater treatment apparatus as claimed in claim 1, wherein: the supporting layer is provided with a plurality of long handle filter heads.
3. The ion exchange wastewater treatment apparatus as claimed in claim 1, wherein: the ion exchange filter tank is provided with a water receiving tank, a backwashing tank and a water distribution tank, the water inlet end of the water receiving tank is connected with the water inlet, the water outlet end of the water receiving tank is connected with the water inlet end of the water distribution tank through a water inlet gate, the water inlet end of the backwashing tank is connected with the water inlet end of the water distribution tank through a backwashing gate, the water outlet end of the backwashing tank is connected with a backwashing liquid discharge tank, and the water outlet end of the water distribution tank is arranged above the resin layer.
4. An ion exchange wastewater treatment plant as claimed in claim 3, wherein: a plurality of water distribution tanks are arranged on the upper chamber, and the water outlet ends of the water distribution tanks are distributed above the resin layer.
5. An ion exchange wastewater treatment plant as claimed in claim 3, wherein: the water outlet end of the water distribution tank is provided with a filter screen.
6. The ion exchange wastewater treatment apparatus as claimed in claim 5, wherein: the ion exchange filter tank is provided with an ultrasonic cleaner for cleaning the filter screen.
7. The ion exchange wastewater treatment apparatus as claimed in claim 6, wherein: the ultrasonic cleaner is provided with a cleaning arm which is used for ultrasonically cleaning the filter screen and can be telescopically adjusted, and a movable detachable brush head is arranged on the cleaning arm.
8. The ion exchange wastewater treatment apparatus as claimed in claim 7, wherein: the ion exchange filter tank is provided with a high-pressure water spray pipe facing the brush head.
9. The ion exchange wastewater treatment apparatus as claimed in claim 7, wherein: the ultrasonic cleaner is movably arranged on the ion exchange filter along the extending direction of the filter screen.
10. The ion exchange wastewater treatment apparatus as claimed in claim 1, wherein: and liquid level meters are arranged on the salt dissolving tank and the clean water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323277067.3U CN221141372U (en) | 2023-11-30 | 2023-11-30 | Ion exchange sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323277067.3U CN221141372U (en) | 2023-11-30 | 2023-11-30 | Ion exchange sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221141372U true CN221141372U (en) | 2024-06-14 |
Family
ID=91426565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323277067.3U Active CN221141372U (en) | 2023-11-30 | 2023-11-30 | Ion exchange sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221141372U (en) |
-
2023
- 2023-11-30 CN CN202323277067.3U patent/CN221141372U/en active Active
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