CN108128929A - A kind of secondary precipitation of black river regulation and biochemical treatment apparatus - Google Patents
A kind of secondary precipitation of black river regulation and biochemical treatment apparatus Download PDFInfo
- Publication number
- CN108128929A CN108128929A CN201711467332.0A CN201711467332A CN108128929A CN 108128929 A CN108128929 A CN 108128929A CN 201711467332 A CN201711467332 A CN 201711467332A CN 108128929 A CN108128929 A CN 108128929A
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- CN
- China
- Prior art keywords
- sedimentation basin
- sewage
- filter
- filtering ponds
- stirring pool
- 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.)
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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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Secondary precipitation and biochemical treatment apparatus the invention discloses a kind of black river regulation, including sedimentation basin, the left side of sedimentation basin is equipped with sewage inlet, and sewage inlet is fixedly mounted on the left side of sedimentation basin, the right side of sedimentation basin is equipped with sewage conduit, and sewage conduit is fixedly mounted on the right side of sedimentation basin, the right side of sedimentation basin is equipped with filtering ponds, and filtering ponds on the right side of sewage conduit and sedimentation basin by being fixedly connected, the left side of filtering ponds is equipped with water pump, and water pump is fixedly connected with the right side of filtering ponds by screw.The Heihe road secondary precipitation and biochemical treatment apparatus employ a series of new device, can black river sewage be saved and then be stood by sedimentation basin and carry out primary deposition, the substance of bulky grain can be excluded by primary deposition, harmful heavy metal and short grained contaminant filter can be adsorbed by filter screen, filter screen is internally provided with quartz sand filter media and can filter the substance of bulky grain, and ANTHRACITE FILTER MEDIA can be by short grained impurity absorption.
Description
Technical field
The present invention relates to Heihe road processing unit field, at the secondary precipitation of specially a kind of black river regulation and biochemistry
Manage device.
Background technology
Road processing in Heihe is exactly that Heihe road is handled using the method for physics, chemistry and biology, purifies Heihe road,
Pollution is reduced, so that reaching the recycling of Heihe road, multiplexing, water resource is made full use of, is detached, recycled in the road of Heihe by physical action
The Heihe road facture of the undissolved pollutant (including oil film and oil droplet) in suspended state, can be divided into gravitational separation process, from
Centrifugal separation and sieving retention method etc., the facture based on heat exchange principle also belong to physical treatment process and pass through chemical reaction
With effect of mass transmitting come detach, remove in the road of Heihe in dissolving, colloidal state pollutant or be translated into the black of innocuous substance
In method of chemical treatment, the processing unit based on adding medicament generation chemical reaction is river facture:Coagulation, neutralization,
Redox etc.；And the processing unit based on effect of mass transmitting then has:Extraction, stripping, stripping, absorption, ion exchange and
Electrodialysis and reverse osmosis etc..
But existing Heihe road processing unit is small even across can yet contain in the sewage after a series for the treatment of and purification
The substance of particle, the substance processing of heavy metal do not reach requirement yet, and treated, and sewage can still give out harmful gas such as foul smell
Body.
So how to design secondary precipitation and the biochemical treatment apparatus of a kind of black river regulation, become us and currently
It solves the problems, such as.
Invention content
Secondary precipitation and biochemical treatment apparatus the purpose of the present invention is to provide a kind of black river regulation, in solution
The problem of stating the Heihe road processing unit proposed in background technology.
To achieve the above object, the present invention provides following technical solution：A kind of secondary precipitation and life of black river regulation
Change processing unit, including sedimentation basin, the left side of the sedimentation basin is equipped with sewage inlet, and the sewage inlet be fixedly mounted on it is heavy
The left side in shallow lake pond, the right side of the sedimentation basin are equipped with sewage conduit, and the sewage conduit is fixedly mounted on the right side of sedimentation basin,
The right side of the sedimentation basin is equipped with filtering ponds, and the filtering ponds are on the right side of sewage conduit and sedimentation basin by being fixedly connected, institute
The left side for stating filtering ponds is equipped with water pump, and the water pump is fixedly connected with the right side of filtering ponds by screw, the filtering ponds
Filter screen is internally provided with, and filter screen insertion is arranged in filtering ponds, the upper surface of the filter screen is equipped with quartzy sand filtration
Material, and quartz sand filter media insertion is arranged in filter screen, the lower surface of the quartz sand filter media is equipped with ANTHRACITE FILTER MEDIA, and
The lower surface of the ANTHRACITE FILTER MEDIA and quartz sand filter media fits closely, and the right side of the filtering ponds is equipped with dispensing stirring pool, and
For the dispensing stirring pool by being fixedly connected on the right side of sewage conduit and filtering ponds, the top of the dispensing stirring pool is equipped with stirring
Machine, and the blender is fixedly mounted on the top of dispensing stirring pool, the upper surface of the dispensing stirring pool, which is equipped with, offers medicine into pipe,
And the pipe insertion of offeing medicine is arranged in dispensing stirring pool, the right side of the dispensing stirring pool is equipped with secondary sedimentation tank, and
The secondary sedimentation tank is fixedly connected by sewage conduit with dispensing stirring pool, and the top of the secondary sedimentation tank is equipped with pumping
Machine, and air exhauster insertion is arranged in secondary sedimentation tank, air exhauster is equipped with pressure test device, sewage pipe inner wall
It is equipped with caliber detector.
Further, the lower surface of the ANTHRACITE FILTER MEDIA be equipped with ion exchange resin, and the ion exchange resin with
ANTHRACITE FILTER MEDIA fits closely.
Further, the top of the secondary sedimentation tank is equipped with harmful gas filter, and the harmful gas filter
It is fixedly mounted on the top of secondary sedimentation tank.
Further, the harmful gas filter is internally provided with activated carbon adsorption net, and the activated carbon adsorption net
Insertion is arranged in harmful gas filter, and activated carbon adsorption net is in " holey ".
Further, the bottom of the secondary sedimentation tank is equipped with sediment and collects outlet, and the sediment collects row
Except the bottom of mouth and secondary sedimentation tank is closely welded.
Compared with prior art, the beneficial effects of the invention are as follows：The Heihe road secondary precipitation and biochemical treatment apparatus use
A series of new device, black river sewage can save and then stood by sedimentation basin carry out primary deposition, by first
Secondary precipitation can exclude the substance of bulky grain, can be by harmful heavy metal and short grained contaminant filter by filter screen
Absorption, filter screen are internally provided with quartz sand filter media and can filter the substance of bulky grain, and ANTHRACITE FILTER MEDIA can be by little particle
Impurity absorption, ion exchange resin can adsorb heavy metal and noxious material, can be by black river sewage by this three step
Interior most noxious substances, the device are equipped with dispensing stirring pool, can further handle the water after filtering,
It will sterilize and the drug of treated sewage is put into pond by pipe of offeing medicine and then can be mixed drug completely by blender
Conjunction allows sewage further to purify in water, which is equipped with harmful gas filter, can be by the pernicious gas in sedimentation basin
It is sucked out to adsorb noxious material by activated carbon and exclude, greatly improve the degree of purification.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the filter screen schematic diagram of the present invention；
Fig. 3 is the harmful gas filter structure diagram of the present invention.
In figure：1st, sedimentation basin, 101, sewage inlet, 102, sewage conduit, 2, filtering ponds, 201, filter screen, 2011, quartz
Sand filtering material, 2012, ANTHRACITE FILTER MEDIA, 2013, ion exchange resin, 202, water pump, 3, dispensing stirring pool, 301, blender,
302nd, it offers medicine into pipe, 4, secondary sedimentation tank, 401, harmful gas filter, 4011, activated carbon adsorption net, 4012, air exhauster,
402nd, sediment collects outlet.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：At a kind of secondary precipitation of black river regulation and biochemistry
Device is managed, including sedimentation basin 1, the left side of sedimentation basin 1 is equipped with sewage inlet 101, and sewage inlet 101 is fixedly mounted on sedimentation basin
1 left side, the right side of sedimentation basin 1 are equipped with sewage conduit 102, and sewage conduit 102 is fixedly mounted on the right side of sedimentation basin 1, sink
The right side in shallow lake pond 1 is equipped with filtering ponds 2, and filtering ponds 2 are fixedly connected by sewage conduit 102 with the right side of sedimentation basin 1, filtering ponds
2 left side is equipped with water pump 202, and water pump 202 is fixedly connected with the right side of filtering ponds 2 by screw, and filtering ponds 2 are internally provided with
Filter screen 201, and the insertion of filter screen 201 is arranged in filtering ponds 2, the upper surface of filter screen 201 is equipped with quartz sand filter media 2011,
And the insertion of quartz sand filter media 2011 is arranged in filter screen 201, the lower surface of quartz sand filter media 2011 is equipped with ANTHRACITE FILTER MEDIA
2012, and ANTHRACITE FILTER MEDIA 2012 and the lower surface of quartz sand filter media 2011 fit closely, the right side of filtering ponds 2 is equipped with dispensing and stirs
Pond 3 is mixed, and stirring pool 3 of offeing medicine is fixedly connected by sewage conduit 102 with the right side of filtering ponds 2, the top of dispensing stirring pool 3 is set
There is blender 301, and blender 301 is fixedly mounted on the top of dispensing stirring pool 3, the upper surface of dispensing stirring pool 3, which is equipped with, throws
Medicine enters pipe 302, and the insertion of pipe 302 of offeing medicine is arranged in dispensing stirring pool 3, and the right side of dispensing stirring pool 3 is equipped with secondary sink
Shallow lake pond 4, and secondary sedimentation tank 4 is fixedly connected by sewage conduit 102 with dispensing stirring pool 3, the top of secondary sedimentation tank 4 is equipped with
Air exhauster 4012, and the insertion of air exhauster 4012 is arranged in secondary sedimentation tank 4, air exhauster 4012 is equipped with air pressure detection dress
It puts, 102 inner wall of sewage conduit is equipped with caliber detector.
Further, the lower surface of ANTHRACITE FILTER MEDIA 2012 is equipped with ion exchange resin 2013, and ion exchange resin
2013 fit closely with ANTHRACITE FILTER MEDIA 2012, can will be dirty in the road of Heihe by the adsorption capacity of ion exchange resin 2013
The harmful substance of water such as heavy metal, coloring matter, noxious material absorption, achieve the effect that water purification removes harmful substance.
Further, the top of secondary sedimentation tank 4 is equipped with harmful gas filter 401, and harmful gas filter 401 is solid
Dingan County is mounted in the top of secondary sedimentation tank 4, by harmful gas filter 401, can will be secondary sedimentation tank 401 inside be harmful to
By biological effect then the mass degradation in toxic gas is filtered and be discharged in air in the inside of body filter by suction.
Further, harmful gas filter 401 is internally provided with activated carbon adsorption net 4011, and activated carbon adsorption net
4011 insertions are arranged in harmful gas filter 401, and activated carbon adsorption net 4011 is inhaled in " holey " by activated carbon
There are multiple pores in the physical characteristic of attached net 4011, inside, harmful substance can be adsorbed onto in the pore of activated carbon, reduction has
The content of noxious material, has the function that purification gas.
Further, the bottom of secondary sedimentation tank 4 is equipped with sediment and collects outlet 402, and sediment collects outlet
402 closely weld with the bottom of secondary sedimentation tank 4, and the bevel edge that 402 both sides of outlet set is collected by sediment, can be by two
Sediment in secondary sedimentation basin concentrates in together, and then excludes together, has deepened the clean effect of water.
Sewage is introduced by sewage inlet 101 in sedimentation basin 1, carries out the precipitation of the first step, so by operation principle first
Afterwards, with water pump 202 by first time precipitation sewage by sewage conduit 102 imported into the sewage imported into filtering ponds 2 from
It is flowed through in filter screen 201, at this moment, the quartz sand filter media 2011 inside filter screen filters the substance of bulky grain, ANTHRACITE FILTER MEDIA
2012 filter finely ground particle substance, and ion exchange resin 2013 can adsorb harmful substance, and then, water pump 202 will filter
Sewage inside pond 2 is pumped by sewage conduit 102 in dispensing stirring pool 3, and at this moment, drug is put by offeing medicine into pipe 302
Into dispensing stirring pool 3, meanwhile, blender 301, which is started to work, is stirred sewage and drug, and then water pump 202 will offer medicine
Sewage in stirring pool 3 is pumped by sewage conduit 102 in secondary sedimentation tank 4, and then sewage carries out in secondary sedimentation tank 4
Precipitation, while harmful gas filter 401 sucks poisonous gas, activated carbon adsorption net 4011 adsorbs noxious material, so
After discharge, then sediment collect outlet 402 by sewage sediment collect discharge.
Afterwards although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, may be used
It a variety of to the progress of these embodiments can be changed without departing from the principles and spirit of the present invention with understanding, changed, replaced
It changes and modification, the scope of the present invention is defined by the appended.
Claims (5)
1. secondary precipitation and the biochemical treatment apparatus of a kind of black river regulation, including sedimentation basin (1), it is characterised in that：It is described
The left side of sedimentation basin (1) is equipped with sewage inlet (101), and the sewage inlet (101) is fixedly mounted on a left side for sedimentation basin (1)
Side, the right side of the sedimentation basin (1) are equipped with sewage conduit (102), and the sewage conduit (102) is fixedly mounted on sedimentation basin
(1) right side, the right side of the sedimentation basin (1) are equipped with filtering ponds (2), and the filtering ponds (2) by sewage conduit (102) with
Sedimentation basin is fixedly connected on the right side of (1), and the left side of the filtering ponds (2) is equipped with water pump (202), and the water pump (202) and mistake
The right side in filter tank (2) is fixedly connected by screw, and the filtering ponds (2) are internally provided with filter screen (201), and the filter screen
(201) insertion is arranged in filtering ponds (2), and the upper surface of the filter screen (201) is equipped with quartz sand filter media (2011), and described
Quartz sand filter media (2011) insertion is arranged in filter screen (201), and the lower surface of the quartz sand filter media (2011) is equipped with smokelessly
Coal filtering material (2012), and the ANTHRACITE FILTER MEDIA (2012) and the lower surface of quartz sand filter media (2011) fit closely, the mistake
The right side in filter tank (2) is equipped with dispensing stirring pool (3), and the dispensing stirring pool (3) passes through sewage conduit (102) and filtering ponds
(2) it is fixedly connected on the right side of, the top of the dispensing stirring pool (3) is equipped with blender (301), and the blender (301) is solid
Mounted in the top of dispensing stirring pool (3), the upper surface of the dispensing stirring pool (3), which is equipped with, offers medicine into pipe (302), and described for Dingan County
Pipe (302) of offeing medicine is embedded to be arranged in dispensing stirring pool (3), and the right side of the dispensing stirring pool (3) is equipped with secondary precipitation
Pond (4), and the secondary sedimentation tank (4) is fixedly connected by sewage conduit (102) with dispensing stirring pool (3), it is described secondary heavy
The top in shallow lake pond (4) is equipped with air exhauster (4012), and the air exhauster (4012) insertion is arranged in secondary sedimentation tank (4),
Air exhauster (4012) is equipped with pressure test device, and sewage conduit (102) inner wall is equipped with caliber detector.
2. secondary precipitation and the biochemical treatment apparatus of a kind of black river regulation according to claim 1, it is characterised in that：
The lower surface of the ANTHRACITE FILTER MEDIA (2012) be equipped with ion exchange resin (2013), and the ion exchange resin (2013) with
ANTHRACITE FILTER MEDIA (2012) fits closely.
3. secondary precipitation and the biochemical treatment apparatus of a kind of black river regulation according to claim 1, it is characterised in that：
The top of the secondary sedimentation tank (4) is equipped with harmful gas filter (401), and the harmful gas filter (401) is fixed
Mounted on the top of secondary sedimentation tank (4).
4. secondary precipitation and the biochemical treatment apparatus of a kind of black river regulation according to claim 1, it is characterised in that：
The harmful gas filter (401) is internally provided with activated carbon adsorption net (4011), and the activated carbon adsorption net (4011)
Insertion is arranged in harmful gas filter (401), and activated carbon adsorption net (4011) is in " holey ".
5. secondary precipitation and the biochemical treatment apparatus of a kind of black river regulation according to claim 1, it is characterised in that：
The bottom of the secondary sedimentation tank (4) is equipped with sediment and collects outlet (402), and the sediment collects outlet (402)
It is closely welded with the bottom of secondary sedimentation tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467332.0A CN108128929A (en) | 2017-12-28 | 2017-12-28 | A kind of secondary precipitation of black river regulation and biochemical treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467332.0A CN108128929A (en) | 2017-12-28 | 2017-12-28 | A kind of secondary precipitation of black river regulation and biochemical treatment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108128929A true CN108128929A (en) | 2018-06-08 |
Family
ID=62393927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711467332.0A Withdrawn CN108128929A (en) | 2017-12-28 | 2017-12-28 | A kind of secondary precipitation of black river regulation and biochemical treatment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108128929A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194537A (en) * | 2019-07-09 | 2019-09-03 | 上海建为环保科技有限公司 | A kind of water pollution control system based on Internet of Things |
| CN111807546A (en) * | 2020-07-10 | 2020-10-23 | 江西金石宝矿山机械制造有限公司 | Ore dressing waste water treatment equipment |
-
2017
- 2017-12-28 CN CN201711467332.0A patent/CN108128929A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194537A (en) * | 2019-07-09 | 2019-09-03 | 上海建为环保科技有限公司 | A kind of water pollution control system based on Internet of Things |
| CN111807546A (en) * | 2020-07-10 | 2020-10-23 | 江西金石宝矿山机械制造有限公司 | Ore dressing waste water treatment equipment |
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| PB01 | Publication | ||
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Application publication date: 20180608 |