CN114656097A - Treatment process of metallurgical sewage - Google Patents
Treatment process of metallurgical sewage Download PDFInfo
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- CN114656097A CN114656097A CN202011524874.9A CN202011524874A CN114656097A CN 114656097 A CN114656097 A CN 114656097A CN 202011524874 A CN202011524874 A CN 202011524874A CN 114656097 A CN114656097 A CN 114656097A
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- metallurgical
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- sewage
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000010865 sewage Substances 0.000 title claims abstract description 22
- 238000005189 flocculation Methods 0.000 claims abstract description 21
- 230000016615 flocculation Effects 0.000 claims abstract description 21
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000002893 slag Substances 0.000 claims abstract description 8
- 239000002244 precipitate Substances 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 238000004062 sedimentation Methods 0.000 claims description 27
- 239000012528 membrane Substances 0.000 claims description 12
- 238000001728 nano-filtration Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 9
- 239000002351 wastewater Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 2
- 239000002253 acid Substances 0.000 abstract description 7
- 238000001556 precipitation Methods 0.000 abstract description 6
- 238000005554 pickling Methods 0.000 abstract description 5
- 239000013618 particulate matter Substances 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 230000003311 flocculating effect Effects 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010979 pH adjustment Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 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
-
- 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
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/484—Treatment of water, waste water, or sewage with magnetic or electric fields using electromagnets
-
- 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
-
- 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
-
- 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
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- 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
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a treatment process of metallurgical sewage, which comprises the following steps: pretreating the acid-washed metallurgical sewage through a primary magnetic barrier to intercept larger metal impurities; continuously adjusting the sewage with acid and alkali, flocculating and precipitating, and centrifuging; and (3) introducing the precipitate separated by the centrifugal machine into a rolling type dryer for drying, magnetically adsorbing residual metal slag through a secondary magnetic isolation grid after drying, inputting the residual slag into an automatic cake pressing machine, and sending the residue after cake pressing out for stacking and storing. Through carrying out one-level magnetism with metallurgical pickling sewage and inhale the processing, then adjust pH, flocculation and precipitation, centrifugal deposit and drying process etc. in proper order, fully with moisture and impurity separation, moisture and impurity particulate matter after handling reach harmless emission standard, and water after the processing can recycle once more, and the particulate matter can utilize as filling up the sea thing, and operation process is stable, the reliability is high.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a treatment process of metallurgical sewage.
Background
In the process of metallurgical operation, acid washing is generally needed and then the steel is washed by clean water, the clean water is changed into acid washing wastewater through a washing process, the acid washing wastewater is not allowed due to the fact that the acid washing wastewater is directly discharged and does not meet the environmental protection requirement, and meanwhile, the water resource waste is caused due to the fact that the acid washing wastewater is directly discharged. Therefore, the pickling waste water needs to be treated accordingly. The traditional treatment method for acid pickling wastewater generally adopts neutralization, coagulation, precipitation, filter pressing, filter cake formation and landfill, and has the following problems: the filter cake of the landfill still causes certain pollution to the soil, the treatment cost is higher, the process time is long, and the efficiency is not high enough.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a treatment process of metallurgical sewage with high treatment efficiency aiming at the defects of the prior art.
The technical scheme is as follows: the invention relates to a treatment process of metallurgical sewage, which comprises the following steps:
(1) pretreating the acid-washed metallurgical sewage by a primary magnetic barrier to intercept larger metal impurities;
(2) continuously introducing the sewage into a pH adjusting tank, carrying out acid-base adjustment on the wastewater, then introducing into a three-stage flocculation sedimentation tank for flocculation sedimentation, inputting sediments after flocculation sedimentation into a first-stage centrifuge for centrifugal treatment, and inputting supernatant into a first-stage nanofiltration membrane component; penetrating fluid of the first-stage nanofiltration membrane component is input into the second-stage nanofiltration membrane component, and trapped fluid is input into the flocculation sedimentation tank; inputting penetrating fluid of the secondary nanofiltration membrane component into a secondary centrifuge for centrifuging again, inputting the upper layer into a treated water buffer tank, and inputting the sediment of the lower layer into a flocculation sedimentation tank;
(3) and (3) introducing the precipitate separated by the primary centrifugal machine into a rolling type dryer for drying, magnetically adsorbing residual metal slag through a secondary magnetic isolation grid after drying, inputting the residual slag into an automatic cake pressing machine, and sending out the residue after cake pressing to stack and store.
Further, as a preferred embodiment, the primary magnetic barrier is a rolling type barrier, and includes a rotating shaft, a roller frame is mounted on the rotating shaft, a plurality of groups of magnetic stripe rings are uniformly fixed on the roller frame, and a plurality of groups of magnetic stripes are fixed on the rotating shaft in a divergent manner.
Further, as a preferred embodiment, the three-stage flocculation sedimentation tank comprises a first-stage pretreatment tank, a second-stage sedimentation tank and a third-stage discharge tank, wherein magnetic grids are arranged between the first-stage pretreatment tank and the second-stage sedimentation tank and between the second-stage sedimentation tank and the third-stage discharge tank; and a filter screen is arranged at the discharge outlet of the three-stage discharge pool.
Further, as better embodiment, be equipped with in the tertiary preliminary treatment pond and decide the vibration subassembly of frequently, decide the vibration subassembly of frequently to be fixed in the discharge port department of tertiary discharging pond, decide the vibration subassembly of frequently including vibrator, rotation motor, swivel assembly and vibrting spear, the vibrator is fixed on the lateral wall of the discharge port of tertiary discharging pond, it fixes to rotate the motor on the vibrator, the swivel assembly is installed in the pivot of rotation motor, the one end of vibrting spear is fixed on the swivel assembly, the other end stretch to the discharge port filter screen of tertiary discharging pond is jointly driven by vibrator and rotation motor, and the vibrting spear rotates formula vibration on the filter screen, beats the filter screen surface, prevents that the filter screen from blockking up.
Furthermore, as a preferred embodiment, a spherical knocking head is arranged at one end of the vibrating rod extending to the filter screen.
Further, as a preferred embodiment, the primary magnetic barrier and the secondary magnetic barrier are both electromagnetic barriers.
Further, as a preferred embodiment, the rolling dryer comprises a center cylinder, a roller, a gauze cylinder, an air pipe, a fan and a rolling motor, wherein a rotating shaft of the rolling motor is connected with the air pipe through a coupler, air outlets are uniformly formed in the air pipe, first-stage buckles are arranged at two ends of the air pipe, the center cylinder is installed on the air pipe through the first-stage buckles, a pair of second-stage buckles are arranged at the outer sides of the first-stage buckles, the gauze cylinder is installed on the air pipe through the second-stage buckles and covers the center cylinder, a pair of third-stage buckles are arranged at two sides of the second-stage buckles, the roller is installed outside the gauze cylinder through the third-stage buckles, and the air pipe is connected with the fan; and the drum is provided with a sludge inlet and a sludge outlet.
Has the advantages that: (1) according to the invention, the metallurgical pickling sewage is subjected to primary magnetic absorption treatment, then pH adjustment, flocculation precipitation, centrifugal precipitation, drying treatment and the like are sequentially carried out, so that moisture and impurities are fully separated, the treated moisture and impurity particles reach harmless emission standards, the treated water can be recycled, the particles can be used as sea-filling materials, the operation process is stable, and the reliability is high; (2) the process improves the treatment effect and treatment efficiency of the process on sewage by means of novel equipment, such as a magnetic grid, a rolling type dryer and the like.
Detailed Description
The technical solution of the present invention is described in detail by the following examples, but the scope of the present invention is not limited to the examples.
Example (b): a treatment process of metallurgical sewage comprises the following steps:
(1) pretreating the acid-washed metallurgical sewage through a primary magnetic barrier to intercept larger metal impurities;
(2) continuously introducing the sewage into a pH adjusting tank, performing acid-base adjustment on the wastewater, then introducing into a three-stage flocculation sedimentation tank for flocculation sedimentation, inputting the sediment after flocculation sedimentation into a first-stage centrifuge for centrifugal treatment, and inputting the supernatant into a first-stage nanofiltration membrane component; penetrating fluid of the first-stage nanofiltration membrane component is input into the second-stage nanofiltration membrane component, and trapped fluid is input into the flocculation sedimentation tank; inputting penetrating fluid of the secondary nanofiltration membrane component into a secondary centrifuge for centrifugal treatment again, inputting the upper layer into a treated water buffer tank, and inputting the lower layer precipitate into a flocculation sedimentation tank;
(3) and (3) introducing the precipitate separated by the primary centrifugal machine into a rolling type dryer for drying, magnetically adsorbing residual metal slag through a secondary magnetic isolation grid after drying, inputting the residual slag into an automatic cake pressing machine, and sending out the residue after cake pressing to stack and store.
The primary magnetic barrier is a rolling type barrier and comprises a rotating shaft, a roller frame is mounted on the rotating shaft, a plurality of groups of magnetic stripe rings are uniformly fixed on the roller frame, and a plurality of groups of magnetic stripes are fixed on the rotating shaft in a dispersing mode.
The three-stage flocculation sedimentation tank comprises a first-stage pretreatment tank, a second-stage sedimentation tank and a third-stage discharge tank, and magnetic grids are arranged between the first-stage pretreatment tank and the second-stage sedimentation tank and between the second-stage sedimentation tank and the third-stage discharge tank; and a filter screen is arranged at the discharge outlet of the three-stage discharge tank.
Be equipped with in the tertiary preliminary treatment pond and decide the vibration subassembly of frequently, decide the vibration subassembly of frequently to be fixed in the discharge port department of tertiary discharging pond, decide the vibration subassembly of frequently and include vibrator, rotating electrical machines, swivel assembly and vibrting spear, the vibrator is fixed on the lateral wall of the discharge port of tertiary discharging pond, the rotating electrical machines is fixed on the vibrator, the swivel assembly is installed in the pivot of rotating electrical machines, the one end of vibrting spear is fixed on the swivel assembly, the other end stretch to the discharge port filter screen of tertiary discharging pond is jointly driven by vibrator and rotating electrical machines, and the vibrting spear is at the rotatory vibration of filter screen top, beats the filter screen surface, prevents that the filter screen from blockking up. And a spherical knocking head is arranged at one end of the vibrating rod extending to the filter screen.
The primary magnetic barrier and the secondary magnetic barrier are both electromagnetic barriers.
The rolling type dryer comprises a center cylinder, a roller, a gauze cylinder, an air pipe, a fan and a rolling motor, wherein a rotating shaft of the rolling motor is connected with the air pipe through a coupler, air outlets are uniformly formed in the air pipe, primary buckles are arranged at two ends of the air pipe, the center cylinder is installed on the air pipe through the primary buckles, a pair of secondary buckles are arranged on the outer side of the primary buckles, the gauze cylinder is installed on the air pipe through the secondary buckles and covers the center cylinder, a pair of tertiary buckles are arranged on two sides of the secondary buckles, the roller is installed outside the gauze cylinder through the tertiary buckles, and the air pipe is connected with the fan; and the drum is provided with a sludge inlet and a sludge outlet.
The metallurgical pickling sewage is subjected to primary magnetic absorption treatment, then pH adjustment, flocculation precipitation, centrifugal precipitation, drying treatment and the like are sequentially performed, so that moisture and impurities are fully separated, the treated moisture and impurity particles reach harmless emission standards, the treated water can be recycled, the particles can be used as sea-filling materials, the operation process is stable, the reliability is high, and the treatment effect and the treatment efficiency of the process on the sewage are improved by means of novel equipment, such as a magnetic grid, a rolling type dryer and the like.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A treatment process of metallurgical sewage is characterized by comprising the following steps:
(1) pretreating the acid-washed metallurgical sewage through a primary magnetic barrier to intercept larger metal impurities;
(2) continuously introducing the sewage into a pH adjusting tank, performing acid-base adjustment on the wastewater, then introducing into a three-stage flocculation sedimentation tank for flocculation sedimentation, inputting the sediment after flocculation sedimentation into a first-stage centrifuge for centrifugal treatment, and inputting the supernatant into a first-stage nanofiltration membrane component; penetrating fluid of the first-stage nanofiltration membrane component is input into the second-stage nanofiltration membrane component, and trapped fluid is input into the flocculation sedimentation tank; inputting penetrating fluid of the secondary nanofiltration membrane component into a secondary centrifuge for centrifugal treatment again, inputting the upper layer into a treated water buffer tank, and inputting the lower layer precipitate into a flocculation sedimentation tank;
(3) and (3) introducing the precipitate separated by the primary centrifugal machine into a rolling type dryer for drying, magnetically adsorbing residual metal slag through a secondary magnetic isolation grid after drying, inputting the residual slag into an automatic cake pressing machine, and sending out the residue after cake pressing to stack and store.
2. The process of treating metallurgical off-water of claim 1, wherein: the primary magnetic barrier is a rolling type barrier and comprises a rotating shaft, a roller frame is installed on the rotating shaft, a plurality of groups of magnetic stripe rings are uniformly fixed on the roller frame, and a plurality of groups of magnetic stripes are fixed on the rotating shaft in a dispersing mode.
3. The process of treating metallurgical off-water of claim 2, wherein: the three-stage flocculation sedimentation tank comprises a first-stage pretreatment tank, a second-stage sedimentation tank and a third-stage discharge tank, wherein magnetic grids are arranged between the first-stage pretreatment tank and the second-stage sedimentation tank and between the second-stage sedimentation tank and the third-stage discharge tank; and a filter screen is arranged at the discharge outlet of the three-stage discharge pool.
4. The metallurgical wastewater treatment process according to claim 3, wherein: be equipped with in the tertiary preliminary treatment pond and decide the vibration subassembly of frequently, decide the vibration subassembly of frequently to be fixed in the discharge port department of tertiary discharging pond, decide the vibration subassembly of frequently and include vibrator, rotating electrical machines, swivel assembly and vibrting spear, the vibrator is fixed on the lateral wall of the discharge port of tertiary discharging pond, the rotating electrical machines is fixed on the vibrator, the swivel assembly is installed in the pivot of rotating electrical machines, the one end of vibrting spear is fixed on the swivel assembly, the other end stretch to the discharge port filter screen of tertiary discharging pond is jointly driven by vibrator and rotating electrical machines, and the vibrting spear is at the rotatory vibration of filter screen top, beats the filter screen surface, prevents that the filter screen from blockking up.
5. The process of treating metallurgical off-water of claim 4, wherein: and a spherical knocking head is arranged at one end of the vibrating rod extending to the filter screen.
6. The process of treating metallurgical off-water of claim 5, wherein: the primary magnetic barrier and the secondary magnetic barrier are both electromagnetic barriers.
7. The metallurgical wastewater treatment process according to claim 6, wherein: the rolling type dryer comprises a center cylinder, a roller, a gauze cylinder, an air pipe, a fan and a rolling motor, wherein a rotating shaft of the rolling motor is connected with the air pipe through a coupler, air outlets are uniformly formed in the air pipe, primary buckles are arranged at two ends of the air pipe, the center cylinder is installed on the air pipe through the primary buckles, a pair of secondary buckles are arranged on the outer side of the primary buckles, the gauze cylinder is installed on the air pipe through the secondary buckles and covers the center cylinder, a pair of tertiary buckles are arranged on two sides of the secondary buckles, the roller is installed outside the gauze cylinder through the tertiary buckles, and the air pipe is connected with the fan; and the drum is provided with a sludge inlet and a sludge outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524874.9A CN114656097A (en) | 2020-12-22 | 2020-12-22 | Treatment process of metallurgical sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011524874.9A CN114656097A (en) | 2020-12-22 | 2020-12-22 | Treatment process of metallurgical sewage |
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| Publication Number | Publication Date |
|---|---|
| CN114656097A true CN114656097A (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202011524874.9A Pending CN114656097A (en) | 2020-12-22 | 2020-12-22 | Treatment process of metallurgical sewage |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330084A (en) * | 2015-11-06 | 2016-02-17 | 安徽普氏生态环境工程有限公司 | Magnetic separation type sewage treatment system |
| CN205398326U (en) * | 2016-03-11 | 2016-07-27 | 北京欧亚泉环境投资管理有限公司 | Landfill leachate's concentrate processing system |
| CN106007074A (en) * | 2016-07-04 | 2016-10-12 | 广西壮族自治区环境保护科学研究院 | Lead-zinc smelting wastewater treatment method |
| CN107176712A (en) * | 2017-05-24 | 2017-09-19 | 宁波东钱湖旅游度假区焦式环保科技有限公司 | The method and apparatus of alumina wastewater treatment |
| CN107551691A (en) * | 2017-10-16 | 2018-01-09 | 夏瑾梅 | The unidirectional filter of drum mud drying machine hot air duct |
| CN207845365U (en) * | 2018-01-24 | 2018-09-11 | 四川思达能环保科技有限公司 | Electroplating industry pickling waste waters processing system |
| CN110204113A (en) * | 2019-06-13 | 2019-09-06 | 河南安立信环保科技有限公司 | Acid solution wastewater treatment regeneration technology |
| CN110713319A (en) * | 2019-11-04 | 2020-01-21 | 武汉纪源环保科技有限公司 | Fermentation production wastewater treatment system |
| CN111777216A (en) * | 2020-06-17 | 2020-10-16 | 上海印钞有限公司 | Banknote gravure wastewater treatment process |
| CN211813712U (en) * | 2019-11-04 | 2020-10-30 | 余庆庆 | Waste water treatment recycles device |
| CN212091066U (en) * | 2019-12-31 | 2020-12-08 | 张幼玲 | Filter equipment for sewage treatment |
-
2020
- 2020-12-22 CN CN202011524874.9A patent/CN114656097A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330084A (en) * | 2015-11-06 | 2016-02-17 | 安徽普氏生态环境工程有限公司 | Magnetic separation type sewage treatment system |
| CN205398326U (en) * | 2016-03-11 | 2016-07-27 | 北京欧亚泉环境投资管理有限公司 | Landfill leachate's concentrate processing system |
| CN106007074A (en) * | 2016-07-04 | 2016-10-12 | 广西壮族自治区环境保护科学研究院 | Lead-zinc smelting wastewater treatment method |
| CN107176712A (en) * | 2017-05-24 | 2017-09-19 | 宁波东钱湖旅游度假区焦式环保科技有限公司 | The method and apparatus of alumina wastewater treatment |
| CN107551691A (en) * | 2017-10-16 | 2018-01-09 | 夏瑾梅 | The unidirectional filter of drum mud drying machine hot air duct |
| CN207845365U (en) * | 2018-01-24 | 2018-09-11 | 四川思达能环保科技有限公司 | Electroplating industry pickling waste waters processing system |
| CN110204113A (en) * | 2019-06-13 | 2019-09-06 | 河南安立信环保科技有限公司 | Acid solution wastewater treatment regeneration technology |
| CN110713319A (en) * | 2019-11-04 | 2020-01-21 | 武汉纪源环保科技有限公司 | Fermentation production wastewater treatment system |
| CN211813712U (en) * | 2019-11-04 | 2020-10-30 | 余庆庆 | Waste water treatment recycles device |
| CN212091066U (en) * | 2019-12-31 | 2020-12-08 | 张幼玲 | Filter equipment for sewage treatment |
| CN111777216A (en) * | 2020-06-17 | 2020-10-16 | 上海印钞有限公司 | Banknote gravure wastewater treatment process |
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Application publication date: 20220624 |