CN116535026A - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
- Publication number
- CN116535026A CN116535026A CN202310028103.8A CN202310028103A CN116535026A CN 116535026 A CN116535026 A CN 116535026A CN 202310028103 A CN202310028103 A CN 202310028103A CN 116535026 A CN116535026 A CN 116535026A
- Authority
- CN
- China
- Prior art keywords
- pipe
- sewage
- fixedly connected
- chamber
- sewage treatment
- 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
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 74
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 239000004576 sand Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000004062 sedimentation Methods 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 11
- 239000013049 sediment Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 206010030113 Oedema Diseases 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cyclones (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment device. The device comprises an inlet treatment port, a primary filtering component, a settling chamber, a split filtering chamber and a split sand discharging component, wherein the primary filtering component is fixedly connected to the inlet treatment port, the settling chamber is fixedly connected to the primary filtering component, the split filtering chamber is fixedly connected to the bottom of the settling chamber, and the split sand discharging component is fixedly connected to the settling chamber. Has the advantage of crushing and collecting plastic and paper garbage in sewage.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment device.
Background
The sewage refers to discharged water from life and production which is polluted to a certain extent, and the water which loses the original use function is simply referred to as sewage. Mainly is water after life use, which contains more impurity organic matters. Sewage treatment, which is a process of purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused, is also increasingly going into the daily life of common people. The method can avoid sewage and pollutants from directly flowing into the water area, and has important significance for improving ecological environment, improving city grade and promoting economic development. With the development of the technology of social sewage treatment, a multi-stage sewage treatment device is widely adopted to improve the sewage treatment capability.
The existing sewage treatment device cannot collect and crush a large amount of plastic and paper garbage in sewage preliminarily, so that the phenomenon of pipeline blockage exists in the treated sewage.
Disclosure of Invention
The present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a sewage treatment apparatus.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a sewage treatment plant, includes entering treatment mouth, just strain subassembly, settling chamber, divides filter chamber and reposition of redundant personnel sediment outflow subassembly, just strain the subassembly rigid coupling and be on entering the treatment mouth, settling chamber rigid coupling is on just straining the subassembly, divides the filter chamber rigid coupling in the bottom of settling chamber, divides the sediment outflow subassembly rigid coupling on settling chamber.
The object working principle of the invention is as follows: through putting into sewage river with getting into the processing mouth, can go out the extraction that the processing mouth carried out a large amount of sewage through getting into the processing mouth, go out in-process get into the processing mouth again and can get rid of volume great plastics or paper solid rubbish, later carry out preliminary filtration to getting into big solid rubbish along with rivers by the primary filter assembly, later sewage enters into the settling chamber, add the flocculation agent in the settling chamber, still subside, extract through the sewage that subsides by the reposition of redundant personnel sediment subassembly, the sediment subsides in the bottom of minute filter chamber, discharge when accumulating to a certain amount, place to appear blocking phenomenon, carry out the whirl by the reposition of redundant personnel sediment subassembly and divide the sand and obtain the rivers that do not have solid impurity.
The sewage suction inlet pipe is fixedly connected with the sewage suction inlet pipe, the sewage suction inlet pipe is a right-angle bent pipe, the two solid garbage components are meshed and driven, and the two solid garbage components are used for removing large-size plastic garbage.
The inlet treatment port further comprises a turnover door, a filter plate and sliding grooves, the turnover door is rotationally connected to the sewage pumping-out inlet pipe, the sliding grooves are fixedly connected in the sewage pumping-out inlet pipe, and the filter plates are respectively and slidably connected in the sliding grooves.
The solid garbage assembly comprises a driving shaft, a separating rod, thorns, a driving wheel, a driven wheel and a driving motor, wherein a plurality of separating rods are arranged on the driving shaft, a plurality of thorns are arranged on the separating rods of the driving shaft positioned at the lower side, the two driving shafts are both rotatably connected on a sewage pumping-out inlet pipe,
the primary filter assembly comprises a primary filter chamber, a primary filter partition plate, an adding pipe and a conveying pipe, wherein the conveying pipe is fixedly connected to the primary filter chamber, a conveying pump is arranged on the conveying pipe, the adding pipe is fixedly connected to the primary filter chamber, and the primary filter partition plate is fixedly connected to the primary filter chamber.
A separating filter layer is arranged between the primary filter partition plate and the separating filter chamber partition plate.
The sedimentation chamber comprises a sedimentation cylinder, a sedimentation agent input pipe and a unidirectional osmosis membrane plate, wherein the sedimentation agent input pipe is fixedly connected to the upper end of the sedimentation cylinder, the unidirectional osmosis membrane plate is fixedly connected inside the sedimentation cylinder, and the unidirectional osmosis membrane plate divides the sedimentation cylinder into two parts.
The filter chamber is provided with a plurality of discharge channels.
The split-flow sand-discharging assembly comprises a water outflow pipe, a cyclone, a flow inlet pipe and a bracket, wherein an accelerating pump is arranged on the flow inlet pipe, the cyclone is fixedly connected with the water outflow pipe and fixedly connected with the cyclone, and the bracket is fixedly connected with the cyclone.
The cone angle of the cyclone is 11 degrees.
Compared with the prior art, the invention has the advantage of crushing and collecting the plastic and paper garbage in the sewage.
Drawings
Fig. 1 is an overall view of the present invention.
Figure 2 is a cross-sectional view of the connection of the inlet treatment port and the prefilter assembly of the present invention.
Fig. 3 is an enlarged view of a portion of an access port of the present invention.
Fig. 4 is another view of the entrance treatment opening of the present invention.
Fig. 5 is a cross-sectional view of the junction of the filter chamber and the split sand removal assembly of the present invention.
In the figure: entering a treatment port 1; a primary filter assembly 2; a settling chamber 3; a separation filter chamber 4; the diversion sand discharge assembly 5 turns over the door 13; a filter plate 14; a chute 15; a drive shaft 121; a separation lever 122; thorn 123; a drive wheel 124; driven wheel 125; a drive motor 126; a primary filter chamber 21; a primary filter separator 22; an addition pipe 23; a delivery tube 24; a separation chamber partition 16; a separating layer 17; a settling drum 31; a settling agent charging pipe 32; a one-way osmosis membrane plate 33; a discharge passage 41; an acceleration pump 51; a water outflow pipe 52; a cyclone 53; a flow inlet tube 54; and a bracket 55.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in the figures 1-5 of the drawings,
further, a sewage treatment device comprises an inlet treatment opening 1, a primary filtering component 2, a settling chamber 3, a separating filtering chamber 4 and a diversion sand discharging component 5, wherein the primary filtering component 2 is fixedly connected to the inlet treatment opening 1, the settling chamber 3 is fixedly connected to the primary filtering component 2, the separating filtering chamber 4 is fixedly connected to the bottom of the settling chamber 3, the diversion sand discharging component 5 is fixedly connected to the settling chamber 3, a large amount of sewage can be pumped through the inlet treatment opening 1 by putting the inlet treatment opening 1 into a sewage river, the inlet treatment opening 1 can remove solid garbage with larger volume in the process of going out, then the inlet solid garbage can be primarily filtered along with water flow by the primary filtering component 2, the sewage enters the settling chamber 3, a flocculating agent is added into the settling chamber 3, static settling is carried out, the settled sewage is pumped by the diversion sand discharging component 5, the settled sewage is settled at the bottom of the separating filtering chamber 4, a certain amount is accumulated, a blocking phenomenon is caused by standing, and the diversion sand discharging component 5 carries out cyclone sand separation to obtain water flow without solid impurities.
In further detail, the inlet treatment port 1 comprises a sewage pumping-out inlet pipe 11, a solid garbage assembly 12 and a separating and filtering chamber partition plate 16, wherein the sewage pumping-out inlet pipe 11 is rotationally connected with the two solid garbage assemblies 12, the separating and filtering chamber partition plate 16 is fixedly connected to the sewage pumping-out inlet pipe 11, the sewage pumping-out inlet pipe 11 is a right-angle bent pipe, the two solid garbage assemblies 12 are in meshed transmission, the two solid garbage assemblies 12 are used for removing large-size plastic garbage, the sewage pumping-out inlet pipe 11 is placed into a sewage area, sewage is pumped by the sewage pumping-out inlet pipe 11, and sewage is pumped in a deeper sewage environment.
Further, the inlet treatment port 1 further comprises a roll-over door 13, a filter plate 14 and a chute 15, the roll-over door 13 is rotationally connected to the sewage pumping-in pipe 11, the chute 15 is fixedly connected to the sewage pumping-in pipe 11, the filter plates 14 are respectively and slidably connected to the chute 15, the filter plates 14 are slidably connected to the chute 15, the filter effect can be effectively achieved, solid garbage is removed, the filter plates 14 are slid out after a period of use, cleaning is performed, the filter effect is prevented from being reduced, and sealing strips are arranged between the roll-over door 13 and the sewage pumping-in pipe 11 and are in a closed state when being closed.
Further, the solid garbage assembly 12 includes a driving shaft 121, a separating rod 122, thorns 123, a driving wheel 124, a driven wheel 125 and a driving motor 126, the driving shaft 121 is provided with a plurality of separating rods 122, the plurality of separating rods 122 of the driving shaft 121 at the lower side are respectively provided with a plurality of thorns 123, the two driving shafts 121 are respectively rotatably connected to the sewage pumping pipe 11, when sewage is pumped, the driving motor 126 starts the driving wheel 124 to drive the driven wheel 125 to rotate, the two driving shafts 121 are driven to rotate, the thorns 123 of the plurality of separating rods 122 of the driving shaft 121 at the lower end can hook and cut up larger solid garbage (such as plastic bottle cartons and the like), and then the solid garbage is filtered by the plurality of filtering plates 14, so that blocking phenomenon is effectively prevented.
In further detail, the primary filter assembly 2 includes a primary filter chamber 21, a primary filter partition 22, an adding pipe 23 and a conveying pipe 24, the conveying pipe 24 is fixedly connected to the primary filter chamber 21, a conveying pump 25 is arranged on the conveying pipe 24, the adding pipe 23 is fixedly connected to the primary filter chamber 21, the primary filter partition 22 is fixedly connected to the primary filter chamber 21, disinfectant and neutralizer are added to the primary filter chamber 21 in the adding pipe 23, and the formed mixed liquid enters the sedimentation cylinder 31 along the conveying pipe 24 to realize disinfection of sewage.
Further, a separating layer 17 is arranged between the primary filtering baffle 22 and the separating chamber baffle 16, and the separating layer 17 can further filter the filtered solid garbage with no edema after filtering the plurality of filter plates 14, so as to reduce the suspended solid garbage without edema.
Further, the settling chamber 3 comprises a settling tube 31, a settling agent input tube 32 and a unidirectional osmosis membrane plate 33, the settling agent input tube 32 is fixedly connected to the upper end of the settling tube 31, the unidirectional osmosis membrane plate 33 is fixedly connected to the interior of the settling tube 31, the settling tube 31 is divided into two parts by the unidirectional osmosis membrane plate 33, the separation filter chamber 4 is provided with a plurality of discharge channels 41, sediment can be discharged through the plurality of discharge channels 41, and the unidirectional osmosis membrane plate 33 isolates the sediment to ensure that the sediment cannot be extracted.
In further detail, the split-flow sand-discharging assembly 5 includes a water outflow pipe 52, a cyclone 53, an inflow pipe 54 and a support 55, the inflow pipe 54 is provided with an accelerating pump 51, the cyclone 53 is fixedly connected to the water outflow pipe 52 and fixedly connected to the cyclone 53, the support 55 is fixedly connected to the cyclone 53, the inflow pipe 54 enters water flow perpendicular to the radius of the cyclone 53, sewage is pumped into the cyclone 53 through the accelerating pump 51, and the sand is separated through the cyclone action of the cyclone 53, so that fine solid impurities in the sewage are removed.
Further, the cone angle of the cyclone 53 is 11 °, so that the liquid separated from the cyclone 53 has smaller granularity.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although a number of terms are used more herein, the use of other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (10)
1. A sewage treatment device, characterized in that: including entering treatment mouth (1), just straining subassembly (2), settling chamber (3), divide straining chamber (4) and reposition of redundant personnel sediment outflow subassembly (5), just strain subassembly (2) rigid coupling and be on entering treatment mouth (1), settling chamber (3) rigid coupling is in just straining subassembly (2), divides straining chamber (4) rigid coupling in the bottom of settling chamber (3), divides the sediment outflow subassembly (5) rigid coupling on settling chamber (3).
2. A sewage treatment apparatus according to claim 1, wherein: the sewage suction inlet (1) comprises a sewage suction inlet pipe (11), a solid garbage assembly (12) and a separating and filtering chamber partition board (16), wherein the sewage suction inlet pipe (11) is rotationally connected with two solid garbage assemblies (12), the separating and filtering chamber partition board (16) is fixedly connected to the sewage suction inlet pipe (11), the sewage suction inlet pipe (11) is a right-angle bent pipe, the two solid garbage assemblies (12) are in meshed transmission, and the two solid garbage assemblies (12) are used for removing large-size plastic garbage.
3. A sewage treatment apparatus according to claim 2, wherein: the sewage treatment device is characterized in that the inlet treatment port (1) further comprises a turnover door (13), a filter plate (14) and sliding grooves (15), the turnover door (13) is rotationally connected to the sewage pumping-in pipe (11), the sliding grooves (15) are fixedly connected in the sewage pumping-in pipe (11), and the filter plates (14) are respectively and slidably connected in the sliding grooves (15).
4. A sewage treatment apparatus according to claim 2, wherein: the solid garbage assembly (12) comprises a driving shaft (121), a separating rod (122), thorns (123), a driving wheel (124), a driven wheel (125) and a driving motor (126), wherein a plurality of separating rods (122) are arranged on the driving shaft (121), a plurality of thorns (123) are arranged on a plurality of separating rods (122) of the driving shaft (121) positioned at the lower side, and the two driving shafts (121) are rotationally connected to the sewage pumping-in pipe (11).
5. A sewage treatment apparatus according to claim 4, wherein: the primary filter assembly (2) comprises a primary filter chamber (21), a primary filter baffle plate (22), an adding pipe (23) and a conveying pipe (24), wherein the conveying pipe (24) is fixedly connected to the primary filter chamber (21), a conveying pump (25) is arranged on the conveying pipe (24), the adding pipe (23) is fixedly connected to the primary filter chamber (21), and the primary filter baffle plate (22) is fixedly connected to the primary filter chamber (21).
6. A sewage treatment apparatus according to claim 5, wherein: a separating filter layer (17) is arranged between the primary filter baffle (22) and the separating filter chamber baffle (16).
7. A sewage treatment apparatus according to claim 6, wherein: the sedimentation chamber (3) comprises a sedimentation cylinder (31), a sedimentation agent input pipe (32) and a one-way osmosis membrane plate (33), wherein the sedimentation agent input pipe (32) is fixedly connected to the upper end of the sedimentation cylinder (31), the one-way osmosis membrane plate (33) is fixedly connected inside the sedimentation cylinder (31), and the one-way osmosis membrane plate (33) divides the sedimentation cylinder (31) into two parts.
8. A sewage treatment apparatus according to claim 7, wherein: the filter chamber (4) is provided with a plurality of discharge channels (41).
9. A sewage treatment apparatus according to claim 8, wherein: the split-flow sand discharging assembly (5) comprises a water outflow pipe (52), a cyclone (53), an inflow pipe (54) and a support (55), wherein an accelerating pump (51) is arranged on the inflow pipe (54), the cyclone (53) is fixedly connected to the water outflow pipe (52) and fixedly connected to the cyclone (53), and the support (55) is fixedly connected to the cyclone (53).
10. A sewage treatment apparatus according to claim 9, wherein: the cone angle of the cyclone (53) is 11 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310028103.8A CN116535026A (en) | 2023-01-09 | 2023-01-09 | Sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310028103.8A CN116535026A (en) | 2023-01-09 | 2023-01-09 | Sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116535026A true CN116535026A (en) | 2023-08-04 |
Family
ID=87444146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310028103.8A Pending CN116535026A (en) | 2023-01-09 | 2023-01-09 | Sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116535026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117398762A (en) * | 2023-12-13 | 2024-01-16 | 广州蓝清环保工程有限公司 | Factory sewage treatment cyclic utilization equipment |
-
2023
- 2023-01-09 CN CN202310028103.8A patent/CN116535026A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117398762A (en) * | 2023-12-13 | 2024-01-16 | 广州蓝清环保工程有限公司 | Factory sewage treatment cyclic utilization equipment |
| CN117398762B (en) * | 2023-12-13 | 2024-03-26 | 广州蓝清环保工程有限公司 | Factory sewage treatment cyclic utilization equipment |
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