CN107879542A - A kind of removal of impurities pre-processing device of sewage quality detection - Google Patents
A kind of removal of impurities pre-processing device of sewage quality detection Download PDFInfo
- Publication number
- CN107879542A CN107879542A CN201711285823.3A CN201711285823A CN107879542A CN 107879542 A CN107879542 A CN 107879542A CN 201711285823 A CN201711285823 A CN 201711285823A CN 107879542 A CN107879542 A CN 107879542A
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- CN
- China
- Prior art keywords
- sewage
- treatment device
- disinfection treatment
- sewage disinfection
- rotary shaft
- 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
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/481—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of removal of impurities pre-processing device of sewage quality detection, including sewage disinfection treatment device, initial filter net cylinder, medium air filtration net, rotary shaft and irony trash separator, the sewage disinfection treatment device bottom inner portion connection sealing dividing plate, rotating disk is welded with rotary shaft above the sealing dividing plate, some turbo blades are welded with the upside of rotating disk, initial filter net cylinder is installed in turbo blade and the sewage disinfection treatment device of rotate the outside of the disc, filter chamber is set in sewage disinfection treatment device above the initial filter net cylinder, lower end-plate and upper-end closing plate are installed in the rotary shaft in filter chamber, from-inner-to-outer is sequentially installed with irony trash separator between upper-end closing plate and lower end-plate, pleated filter and medium air filtration net；Sewage after the filtering of initial filter net cylinder, medium air filtration net and pleated filter, by irony trash separator adsorbed, and after the temperature for adjusting sewage, is easy to detect its interior harmful substance, avoids dirty impurities in water from blocking water quality detection instrument by the iron impurities in sewage.
Description
Technical field
The present invention relates to water quality inspection technique field, specifically a kind of removal of impurities pre-processing device of sewage quality detection.
Background technology
Water is indispensable material during we live, and it is the guarantee of our life.So a good water source for
Our health is vital, is checked on so needing water quality detecting device for us, still, with society development and
The water pollution in the waters such as the improvement of people's living standards, river is more serious, therefore, is detected for contaminated water quality
When, not so need to be sampled it, and also need to carry out a large amount of granule foreigns and iron impurities that wherein contain
Filter, avoiding when being detected using water quality detecting device, the impurity in sewage causes the blocking of detection device, causes detection to interrupt,
Need to expend substantial amounts of manpower and materials maintenance, therefore, it is necessary to a kind of removal of impurities pre-processing device of sewage quality detection to sampling
Water quality is pre-processed, and ensures the safety progress of water quality detection.
The content of the invention
It is an object of the invention to provide a kind of removal of impurities pre-processing device of sewage quality detection, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides following technical scheme：
A kind of removal of impurities pre-processing device of sewage quality detection, including sewage disinfection treatment device, initial filter net cylinder, medium air filtration net, pleat
Wrinkle filter, rotary shaft and irony trash separator, the sewage disinfection treatment device bottom inner portion connection sealing dividing plate, the sealing dividing plate
Rotating disk is welded with the rotary shaft of top, some turbo blades, turbo blade and rotate the outside of the disc are welded with the upside of rotating disk
Sewage disinfection treatment device in initial filter net cylinder is installed, be set to vortex chamber in the sewage disinfection treatment device on the outside of the initial filter net cylinder, revolve
Sewage disinfection treatment device on the outside of stream chamber is provided with sewage input port, sewage input port connection pumping pipe joint, pumping pipe joint edge
The tangential direction of sewage disinfection treatment device side wall is set, and scum pipe, scum pipe and vortex chamber are connected with sewage disinfection treatment device side wall
Connect and residual cake valve is installed on scum pipe, filter chamber, filter chamber are set in the sewage disinfection treatment device above the initial filter net cylinder
Lower end-plate and upper-end closing plate are installed, from-inner-to-outer is sequentially installed between upper-end closing plate and lower end-plate in interior rotary shaft
Irony trash separator, pleated filter and medium air filtration net, on the upper-end closing plate between the irony trash separator and pleated filter
Pod apertures are offered, pod apertures connect with the preheating cavity at the top of sewage disinfection treatment device, connection row on the upside of the sewage disinfection treatment device
Water pipe.
As the further scheme of the present invention：Motor cabinet is fixed with the sewage disinfection treatment device of the sealing dividing plate bottom,
Motor, motor connection rotary shaft are installed, rotary shaft is vertically installed in sewage disinfection treatment device on motor cabinet.
As the further scheme of the present invention：The rotary shaft top is provided with stop collar, and stop collar is fixed on sewage and located in advance
Manage on the inwall of device top.
As the further scheme of the present invention：Be connected circle in the initial filter net cylinder side wall, and retainer plate is located in advance with sewage
The retainer plate of reason device inwall is fixedly connected, and initial filter net cylinder upper end is provided with net cylinder mouth.
As the further scheme of the present invention：Passed through in the middle part of the irony trash separator provided with shaft through-hole for rotary shaft, irony
Trash separator is by some permanent magnet groups into the S magnetic poles and N magnetic poles of some permanent magnets are spaced composition successively.
As the further scheme of the present invention：The upper-end closing plate is fastened in the restriction ring of sewage disinfection treatment device inwall.
As the further scheme of the present invention：Stirring vane is installed, in preheating cavity in the rotary shaft in the preheating cavity
Sewage disinfection treatment device inwall on be fixed with thermally conductive sheet, be inlaid with heating wire in thermally conductive sheet, heating wire connection preheating controller.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of removal of impurities pretreatment of described sewage quality detection
Equipment, stabilized structure, driving is convenient, and after vortex chamber is inputted from sewage input port containing miscellaneous sewage, sewage is in vortex chamber internal rotation
Flow and filtered by initial filter net cylinder, the impurity filtered out is periodically opened residual cake valve and discharged from scum pipe, and sewage flows from bottom to top
Enter in the sewage disinfection treatment device above initial filter net cylinder, it is dirty after being filtered by initial filter net cylinder, medium air filtration net and pleated filter
Iron impurities in water are adsorbed by irony trash separator, after the temperature for adjusting sewage, are easy to detect its interior harmful substance, are kept away
Exempt from dirty impurities in water and block water quality detection instrument.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of irony trash separator in the present invention.
Fig. 3 is the structural representation of turbo blade in the present invention.
In figure：1- sewage disinfection treatments device, 2- motor cabinets, 3- motors, 4- sealings dividing plate, 5- rotating disks, 6- initial filters net cylinder, 7-
Pump end-plate, 12- medium air filtrations net, 13- folds under pipe joint, 8- sewage input port, 9- vortex chambers, 10- retainer plates, 11-
Filter, 14- upper-end closing plates, 15- preheating controllers, 16- heating wire, 17- stirring vanes, 18- rotary shafts, 19- stop collars,
20- thermally conductive sheets, 21- preheating cavities, 22- drainpipes, 23- pod apertures, 24- limit ring, 25- ironys trash separator, 26- filter chambers, 27-
Net cylinder mouth, 28- retainer plates, 29- residual cake valves, 30- scum pipes, 31- shaft through-holes, 32-S magnetic poles, 33-N magnetic poles, 34- turbo blades.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme 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, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~3, in the embodiment of the present invention, a kind of removal of impurities pre-processing device of sewage quality detection, including sewage
Preprocessor 1, initial filter net cylinder 6, medium air filtration net 12, pleated filter 13, rotary shaft 18 and irony trash separator 25, the sewage
Preprocessor 1 is cylindrical type tube structure, the bottom inner portion of sewage disinfection treatment device 1 connection sealing dividing plate 4, seals the bottom of dividing plate 4
Motor cabinet 2 is fixed with sewage disinfection treatment device 1, motor 3 is installed on motor cabinet 2, motor 3 connects rotary shaft 18, rotary shaft 18
It is vertically installed in sewage disinfection treatment device 1, the top of rotary shaft 18 is provided with stop collar 19, and stop collar 19 is fixed on sewage disinfection treatment device
On 1 top inwall.
Rotating disk 5 is welded with the rotary shaft 18 of the top of sealing dividing plate 4, the upside of rotating disk 5 is welded with some turbines
Initial filter net cylinder 6, the side wall of initial filter net cylinder 6 are installed in the sewage disinfection treatment device 1 in blade 34, turbo blade 34 and the outside of rotating disk 5
On be connected circle 10, retainer plate 10 is fixedly connected with the retainer plate 28 of the inwall of sewage disinfection treatment device 1, and the upper end of initial filter net cylinder 6 is set
There is net cylinder mouth 27, vortex chamber 9, the sewage disinfection treatment in the outside of vortex chamber 9 are set in the sewage disinfection treatment device 1 in the outside of initial filter net cylinder 6
Device 1 is provided with sewage input port 8, the connection of sewage input port 8 pumping pipe joint 7, pumps pipe joint 7 along the side of sewage disinfection treatment device 1
The tangential direction of wall is set, and is connected with scum pipe 30 in the side wall of sewage disinfection treatment device 1, scum pipe 30 is connected and arranged with vortex chamber 9
Residual cake valve 29 is installed, after vortex chamber 9 are inputted from sewage input port 8 containing miscellaneous sewage, sewage is in the inward turning of vortex chamber 9 on slag pipe 30
Turn of tidal stream is dynamic and is filtered by initial filter net cylinder 6, and the impurity filtered out is periodically opened residual cake valve 29 and discharged from scum pipe 30；In scum pipe
30 drive under turbo blade 34 and the rotation of rotating disk 5, and sewage flows into the sewage disinfection treatment device 1 of the top of initial filter net cylinder 6 from bottom to top
It is interior.
Filter chamber 26 is set in the sewage disinfection treatment device 1 of the top of the initial filter net cylinder 6, in the rotary shaft 18 in filter chamber 26
Lower end-plate 11 and upper-end closing plate 14 are installed, from-inner-to-outer is sequentially installed with irony between upper-end closing plate 14 and lower end-plate 11
Trash separator 25, pleated filter 13 and medium air filtration net 12, the middle part of irony trash separator 25 supply rotary shaft provided with shaft through-hole 31
18 pass through, irony trash separator 25 by some permanent magnet groups into, the S magnetic poles 32 and N magnetic poles 33 of some permanent magnets are spaced composition successively,
Pod apertures 23, pod apertures 23 and sewage are offered on upper-end closing plate 14 between the irony trash separator 25 and pleated filter 13
The preheating cavity 21 at the top of preprocessor 1 connects, and the upper-end closing plate 14 is fastened on the restriction ring 24 of the inwall of sewage disinfection treatment device 1
Interior, when filter chamber 26 is successively after medium air filtration net 12 and pleated filter 13 filter, the iron impurities in sewage are by irony
Trash separator 25 is adsorbed, and then sewage is flowed into preheating cavity 21 along pod apertures 23.
Stirring vane 17 is installed, the sewage disinfection treatment device 1 in preheating cavity 21 in the rotary shaft 18 in the preheating cavity 21
Thermally conductive sheet 20 is fixed with inwall, heating wire 16 is inlaid with thermally conductive sheet 20, heating wire 16 connects preheating controller 15, pre- thermal control
Device 15 processed controls the electrified regulation of heating wire 16, and caused heat is stirred stirring vane 17 in preheating cavity 21 after being conducted by thermally conductive sheet 20
Dynamic sewage is preheated, and adjusts the temperature of sewage, is easy to detect its interior harmful substance.
The upside of the sewage disinfection treatment device 1 connection drainpipe 22, is filtered, after the pre-heat treatment by sewage disinfection treatment device 1
Sewage is discharged by drainpipe 22, is easy to the further detection process of water quality to sewage, avoids dirty impurities in water from blocking water quality detection
Instrument.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can makes one to some of which technical characteristic
A little simple modification, equivalent change and modifications, are belonged in the range of technical solution of the present invention.
, it is necessary to illustrate in the description of this specification, unless otherwise clearly defined and limited, term " setting ",
" connected " and " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Claims (7)
1. a kind of removal of impurities pre-processing device of sewage quality detection, including sewage disinfection treatment device (1), initial filter net cylinder (6), middle imitated
Filter screen (12), pleated filter (13), rotary shaft (18) and irony trash separator (25), it is characterised in that the sewage disinfection treatment
The connection of device (1) bottom inner portion seals dividing plate (4), and rotating disk is welded with the rotary shaft (18) sealed above dividing plate (4)
(5) some turbo blades (34), are welded with the upside of rotating disk (5), the sewage on the outside of turbo blade (34) and rotating disk (5) is located in advance
Manage and initial filter net cylinder (6) is installed in device (1), vortex chamber is set in the sewage disinfection treatment device (1) on the outside of the initial filter net cylinder (6)
(9), the sewage disinfection treatment device (1) on the outside of vortex chamber (9) is provided with sewage input port (8), sewage input port (8) connection pumping line
Joint (7), tangential direction of the pumping pipe joint (7) along sewage disinfection treatment device (1) side wall are set, sewage disinfection treatment device (1) side wall
On be connected with scum pipe (30), scum pipe (30) connects with vortex chamber (9) and residual cake valve (29), institute is provided with scum pipe (30)
State and filter chamber (26) is set in the sewage disinfection treatment device (1) above initial filter net cylinder (6), in the rotary shaft (18) in filter chamber (26)
Lower end-plate (11) and upper-end closing plate (14) are installed, from-inner-to-outer is pacified successively between upper-end closing plate (14) and lower end-plate (11)
Equipped with irony trash separator (25), pleated filter (13) and medium air filtration net (12), the irony trash separator (25) and fold mistake
Pod apertures (23), pod apertures (23) and sewage disinfection treatment device (1) top are offered on upper-end closing plate (14) between filter (13)
Preheating cavity (21) connection, connection drainpipe (22) on the upside of the sewage disinfection treatment device (1).
A kind of 2. removal of impurities pre-processing device of sewage quality detection according to claim 1, it is characterised in that the sealing
Motor cabinet (2) is fixed with the sewage disinfection treatment device (1) of dividing plate (4) bottom, motor (3), motor are installed on motor cabinet (2)
(3) rotary shaft (18) is connected, rotary shaft (18) is vertically installed in sewage disinfection treatment device (1).
A kind of 3. removal of impurities pre-processing device of sewage quality detection according to claim 2, it is characterised in that the rotation
Axle (18) top is provided with stop collar (19), and stop collar (19) is fixed on the inwall of sewage disinfection treatment device (1) top.
A kind of 4. removal of impurities pre-processing device of sewage quality detection according to claim 3, it is characterised in that the initial filter
Be connected circle (10) in net cylinder (6) side wall, the fixed company of retainer plate (28) of retainer plate (10) and sewage disinfection treatment device (1) inwall
Connect, initial filter net cylinder (6) upper end is provided with net cylinder mouth (27).
A kind of 5. removal of impurities pre-processing device of sewage quality detection according to claim 1, it is characterised in that the irony
Passed through provided with shaft through-hole (31) for rotary shaft (18) in the middle part of trash separator (25), irony trash separator (25) by some permanent magnet groups into,
The S magnetic poles (32) and N magnetic poles (33) of some permanent magnets are spaced composition successively.
A kind of 6. removal of impurities pre-processing device of sewage quality detection according to claim 5, it is characterised in that the upper end
Shrouding (14) is fastened in the restriction ring (24) of sewage disinfection treatment device (1) inwall.
A kind of 7. removal of impurities pre-processing device of sewage quality detection according to claim 6, it is characterised in that the preheating
Stirring vane (17) is installed, on sewage disinfection treatment device (1) inwall in preheating cavity (21) in the rotary shaft (18) in chamber (21)
Thermally conductive sheet (20) is fixed with, heating wire (16), heating wire (16) connection preheating controller (15) are inlaid with thermally conductive sheet (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711285823.3A CN107879542A (en) | 2017-12-07 | 2017-12-07 | A kind of removal of impurities pre-processing device of sewage quality detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711285823.3A CN107879542A (en) | 2017-12-07 | 2017-12-07 | A kind of removal of impurities pre-processing device of sewage quality detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107879542A true CN107879542A (en) | 2018-04-06 |
Family
ID=61773468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711285823.3A Pending CN107879542A (en) | 2017-12-07 | 2017-12-07 | A kind of removal of impurities pre-processing device of sewage quality detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107879542A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444761A (en) * | 2018-05-22 | 2018-08-24 | 杨嘉木 | A kind of water quality detection sampler |
| CN108704743A (en) * | 2018-05-08 | 2018-10-26 | 淄博名堂教育科技有限公司 | A kind of alkaline land soil conditioning gangue turbine dedusting milling apparatus |
| CN110927354A (en) * | 2019-12-23 | 2020-03-27 | 深圳市美信创景技术有限公司 | Remote sensing monitoring service system for water environment quality of regional aquaculture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344398Y (en) * | 1998-07-03 | 1999-10-20 | 熊益军 | Multifunctional water-purifying device |
| CN202688141U (en) * | 2012-05-30 | 2013-01-23 | 福建金源泉科技发展有限公司 | Filter element for deep purification and activation |
| CN107335268A (en) * | 2017-08-18 | 2017-11-10 | 郑州艾莫弗信息技术有限公司 | A kind of filter bag type sewage removal filtration device |
-
2017
- 2017-12-07 CN CN201711285823.3A patent/CN107879542A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344398Y (en) * | 1998-07-03 | 1999-10-20 | 熊益军 | Multifunctional water-purifying device |
| CN202688141U (en) * | 2012-05-30 | 2013-01-23 | 福建金源泉科技发展有限公司 | Filter element for deep purification and activation |
| CN107335268A (en) * | 2017-08-18 | 2017-11-10 | 郑州艾莫弗信息技术有限公司 | A kind of filter bag type sewage removal filtration device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704743A (en) * | 2018-05-08 | 2018-10-26 | 淄博名堂教育科技有限公司 | A kind of alkaline land soil conditioning gangue turbine dedusting milling apparatus |
| CN108444761A (en) * | 2018-05-22 | 2018-08-24 | 杨嘉木 | A kind of water quality detection sampler |
| CN108444761B (en) * | 2018-05-22 | 2024-04-16 | 中山公用水务投资有限公司 | Water quality detection sampling device |
| CN110927354A (en) * | 2019-12-23 | 2020-03-27 | 深圳市美信创景技术有限公司 | Remote sensing monitoring service system for water environment quality of regional aquaculture |
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Application publication date: 20180406 |