CN108325257A - A kind of sewage monitoring sampling filtering device - Google Patents
A kind of sewage monitoring sampling filtering device Download PDFInfo
- Publication number
- CN108325257A CN108325257A CN201810342939.4A CN201810342939A CN108325257A CN 108325257 A CN108325257 A CN 108325257A CN 201810342939 A CN201810342939 A CN 201810342939A CN 108325257 A CN108325257 A CN 108325257A
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- CN
- China
- Prior art keywords
- fixedly connected
- shell
- filtering device
- screen pack
- support plate
- 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.)
- Withdrawn
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- 238000005070 sampling Methods 0.000 title claims abstract description 45
- 239000010865 sewage Substances 0.000 title claims abstract description 42
- 238000001914 filtration Methods 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 241000220317 Rosa Species 0.000 claims abstract description 24
- 244000309464 bull Species 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000012216 screening Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of sewage monitoring sampling filtering devices, including shell, the bottom end inner wall of shell is vertically fixedly connected with the first screen pack and the second screen pack, Rose Box is equipped between first screen pack and the second screen pack, Rose Box front and rear sides and the inner wall of shell front and rear sides are slidably connected, the inner wall of shell front and rear sides offers the sliding slot to match with Rose Box, the bottom interior wall of shell is vertically fixedly connected with the first electric pushrod, the top of first electric pushrod is fixedly connected with the first support plate, the upper surface of first support plate is vertically fixedly connected there are two the second symmetrical support plate, the upper surface of first support plate is fixedly connected with electric rotating machine.The present invention is easy to operate, can realize the fast filtering processing to sewage, improve the efficiency and filter quality of sewage water filtration, and impurity screening cleaning is simple and convenient, and can realize continuous water intaking sampling.
Description
Technical field
The present invention relates to technical field of environmental management more particularly to a kind of sewage monitoring sampling filtering devices.
Background technology
Sewage, is often referred to discharge water centainly polluted, from life and production, and sewage mainly has sanitary sewage, work
Industry waste water and initial rainwater, the ill pathogen contaminant of major pollutants, oxygen consumption pollutant, plant nutrient and the toxic dirt of sewage
Contaminate object, soil impurity etc..
Now with sewage apparatus in sewage disposal process, need continuously to supervise the water quality after various processes
It surveys, desired value is reached with N, P equal size ensured in sewage, and the solids in the impurity and processing procedure in sewage is easy
Sample channel is blocked, monitoring instrument is made to can not work normally, thus it is necessary to be filtered to the physical impurity in sewage, often
Sewage water filtration efficiency is low, and filter effect is poor, and the sampling that cannot continuously fetch water.
Invention content
The purpose of the present invention is to solve sampling and the mistakes of cannot continuously fetching water among sewage monitoring process in the prior art
The problem of filter is not thorough and impurity screening inconvenience is cleared up, and a kind of sewage monitoring sampling filtering device proposed.
To achieve the goals above, present invention employs following technical solutions：
The bottom end inner wall of a kind of sewage monitoring sampling filtering device, including shell, the shell is vertically fixedly connected with
One screen pack and the second screen pack are equipped with Rose Box, the mistake between first screen pack and the second screen pack
Filter box front and rear sides and the inner wall of shell front and rear sides are slidably connected, and the inner wall of the shell front and rear sides offers and Rose Box
The bottom interior wall of the sliding slot to match, the shell is vertically fixedly connected with the first electric pushrod, first electric pushrod
Top is fixedly connected with the first support plate, and the upper surface of first support plate is vertically fixedly connected with that there are two symmetrical second
The upper surface of support plate, first support plate is fixedly connected with electric rotating machine, and the output end of the electric rotating machine is fixedly connected
There is a shaft, the one end of the shaft far from electric rotating machine second support plate therethrough, another described second support plate
Surface bull stick is fixedly connected with by rolling bearing, the shaft and the opposite one end of bull stick have been fixedly connected with fixed block,
Two opposite sides of the fixed block are fixedly connected with flexible telescopic rod, and the opposite one end of the elastic telescopicing rod is fixed
It is connected with curved splint, opens up fluted on the top at left and right sides of the shell, the bottom of two grooves is hinged with
Two electric pushrods, one end common hinged closures of two the second electric pushrods far from shell, the lower surface of the cover board passes through hinge
The top of chain and shell is hinged, and the left and right sides inner wall of the shell is fixed with solenoid valve.
Preferably, flange has been fixedly connected at left and right sides of the shell, two opposite sides of the flange are solid
Surely it is equipped with sealing ring.
Preferably, first electric pushrod, the second electric pushrod, solenoid valve and electric rotating machine by control switch with
External power supply is electrically connected.
Preferably, the lower surface of the cover board and two opposite sides of curved splint are fixed with rubber pad.
Preferably, the left and right sides of the Rose Box offers multiple limbers, and the inside of the Rose Box, which is fixed, to be set
There are filter screen and activated carbon.
Preferably, the elastic telescopicing rod includes outer bar, and the side of the outer bar offers cavity, and bullet is equipped in cavity
The both ends of spring and interior bar, the spring are fixedly connected with one end of the inner wall of cavity and interior bar respectively, the other end of the interior bar
Across cavity and extend outwardly.
Preferably, the mesh diameter of second screen pack is smaller than the mesh diameter of the first screen pack.
Preferably, the lower surface of the shell is fixedly connected there are two supporting rod.
Preferably, the material of the cover board is tempered glass.
Compared with prior art, the present invention provides a kind of sewage monitoring sampling filtering device, has following advantageous effect：
1, the sewage monitoring sampling filtering device needs to arrange through piping by being provided with Rose Box after sewage disposal
When putting, start solenoid valve by controlling to switch, water passes through after the first screen pack, under so that larger granule foreign is retained
Come, later using Rose Box further filter absorption and the second screen pack filtering, make water reach discharge or again
The standard used opens cover board, monitoring personnel extracts out along sliding slot and filters by the second electric pushrod in use for some time
Case is filtered the replacement of case, and the impurity that the first filter plate and the second filter plate are retained down is cleaned out using tool
Come, which can realize the fast filtering processing to sewage, improve the efficiency and filter quality of sewage water filtration, and filter miscellaneous
Matter cleaning is simple and convenient.
2, the sewage monitoring sampling filtering device when sampling, is switched by being provided with electric rotating machine by controlling
Start electric rotating machine, electric rotating machine drives shaft rotation, shaft that fixed block rotation, fixed block is driven to drive elastic telescopicing rod and arc
Clevis plate rotates, and curved splint drives sampling bottle rotation, makes the more convenient sampling of sampling bottle level, after sampling is completed, passes through
Electric rotating machine keeps sampling bottle vertical, then opens cover board by the second electric pushrod again, is then raised by the first electric pushrod
Effect, makes sampling bottle increase, then pulls elastic telescopicing rod, remove sampling bottle, which can realize continuous water intaking sampling.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, present invention operation
It is convenient, it can realize the fast filtering processing to sewage, improve the efficiency and filter quality of sewage water filtration, and impurity screening is clear
It manages simple and convenient, and can realize continuous water intaking sampling.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of sewage monitoring sampling filtering device proposed by the present invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is a kind of structural schematic diagram of sewage monitoring sampling filtering device elastic telescopicing rod proposed by the present invention.
In figure：1 shell, 2 first electric pushrods, 3 first support plates, 4 electric rotating machines, 5 second electric rotating machines, 6 second mistakes
Sieve plate, 7 Rose Boxes, 8 first screen packs, 9 grooves, 10 second electric pushrods, 11 cover boards, 12 flanges, 13 support legs, 14 turns
Axis, 15 fixed blocks, 16 elastic telescopicing rods, 17 curved splints, 18 outer bars, 19 springs, 20 interior bars, 21 bull sticks.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-3, a kind of sewage monitoring sampling filtering device, including shell 1, the lower surface of shell 1 are fixedly connected with
Two supporting rods 13, the anti-overweight damage water pipe of locking apparatus, the bottom end inner wall of shell 1 are vertically fixedly connected with the first screen pack 8
, first filter screen smaller than the mesh diameter of the first screen pack 8 with the mesh diameter of the second screen pack 6, the second screen pack 6
Rose Box 7 is equipped between plate 8 and the second screen pack 6, the left and right sides of Rose Box 7 offers multiple limbers, Rose Box 7
Inside be fixed with filter screen and activated carbon, 7 front and rear sides of Rose Box and the inner wall of 1 front and rear sides of shell are slidably connected, shell
The inner wall of 1 front and rear sides of body offers the sliding slot to match with Rose Box 7, and the bottom interior wall of shell 1 is vertically fixedly connected with
One electric pushrod 2, the first electric pushrod 2, the second electric pushrod 10, solenoid valve and electric rotating machine 4 by control switch with it is outer
Portion's power supply is electrically connected, and the top of the first electric pushrod 2 is fixedly connected with the first support plate 3, and the upper surface of the first support plate 3 is hung down
Straight to be fixedly connected there are two the second symmetrical support plate 5, the upper surface of the first support plate 3 is fixedly connected with electric rotating machine 4, revolves
The output end of rotating motor 4 is fixedly connected with shaft 14, one second support therethrough of the one end of shaft 14 far from electric rotating machine 4
The surface of plate 5, another the second support plate 5 is fixedly connected with bull stick 21 by rolling bearing, and shaft 14 and bull stick 21 are opposite
One end has been fixedly connected with fixed block 15, and two opposite sides of fixed block 15 are fixedly connected with flexible telescopic rod 16, elasticity
Telescopic rod 16 includes outer bar 18, and the side of outer bar 18 offers cavity, and spring 19 and interior bar 20 are equipped in cavity, spring 19
Both ends are fixedly connected with one end of the inner wall of cavity and interior bar 20 respectively, and the other end of interior bar 20 passes through cavity and extends outwardly,
Different size of sampling bottle can be clamped, the opposite one end of elastic telescopicing rod 16 has been fixedly connected with curved splint 17, and shell 1 is left
Open up fluted 9 on the top of right both sides, the bottoms of two grooves 9 is hinged with the second electric pushrod 10, and two second electronic push away
The material of the common hinged closures 11 in the one end of bar 10 far from shell 1, cover board 11 is tempered glass, is facilitated inside observation shell 1
Concrete condition, the lower surface of cover board 11 and two opposite sides of curved splint 17 are fixed with rubber pad, increase arc folder
The frictional force of plate 17 convenient for clamping sampling bottle, and increases the leakproofness of 11 lower surface of cover board, and the lower surface of cover board 11 passes through
The top of hinge and shell 1 is hinged, and the left and right sides inner wall of shell 1 is fixed with solenoid valve, and the left and right sides of shell 1 is solid
Surely it is connected with flange 12, two opposite sides of flange 12 are fixed with sealing ring, and aggrandizement apparatus is close with water pipe junction
Feng Xing.
In the present invention, by being provided with Rose Box 7, when needs after sewage disposal by discharge of pipes, pass through control
System switch start solenoid valve, water pass through the first screen pack 8 after, so that larger granule foreign is retained down, later using
Further filtering absorption and the filtering of the second screen pack 6 of Rose Box 7, the standard for making water reach discharge or reuse,
In use for some time, cover board 11 being opened by the second electric pushrod 10, monitoring personnel extracts Rose Box 7 out along sliding slot, into
The replacement of row Rose Box 7, and the impurity that the first filter plate 8 and the second filter plate 6 are retained down is cleared using tool,
The structure can realize the fast filtering processing to sewage, improve the efficiency and filter quality of sewage water filtration, and impurity screening
Clear up it is simple and convenient, by being provided with electric rotating machine 4, sampling when, pass through control switch start electric rotating machine 4, rotation
Motor 4 drives shaft 14 to rotate, and shaft 14 drives fixed block 15 to rotate, and fixed block 15 drives elastic telescopicing rod 16 and curved splint
17 rotations, curved splint 17 drive sampling bottle rotation, make the more convenient sampling of sampling bottle level, after sampling is completed, pass through rotation
Rotating motor 4 keeps sampling bottle vertical, then opens cover board 11 by the second electric pushrod 10 again, then passes through the first electric pushrod 2
Effect is raised, sampling bottle is made to increase, elastic telescopicing rod 16 is then pulled, removes sampling bottle, which can realize continuous water intaking
Sampling.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of sewage monitoring sampling filtering device, including shell (1), which is characterized in that the bottom end inner wall of the shell (1) hangs down
Directly it is fixedly connected with the first screen pack (8) and the second screen pack (6), first screen pack (8) and the second filter screen
Rose Box (7) is equipped between plate (6), the inner wall of Rose Box (7) front and rear sides and shell (1) front and rear sides is slidably connected,
The inner wall of shell (1) front and rear sides offers the sliding slot to match with Rose Box (7), the bottom interior wall of the shell (1)
It vertically is fixedly connected with the first electric pushrod (2), the top of first electric pushrod (2) is fixedly connected with the first support plate
(3), the upper surface of first support plate (3) is vertically fixedly connected there are two symmetrical the second support plate (5), and described first
The upper surface of support plate (3) is fixedly connected with electric rotating machine (4), and the output end of the electric rotating machine (4) is fixedly connected with shaft
(14), one end therethrough second support plate (5) of the shaft (14) far from electric rotating machine (4), another described the
The surface of two support plates (5) is fixedly connected with bull stick (21) by rolling bearing, and the shaft (14) and bull stick (21) are opposite
One end has been fixedly connected with fixed block (15), and two opposite sides of the fixed block (15) are fixedly connected with flexible telescopic rod
(16), the opposite one end of the elastic telescopicing rod (16) has been fixedly connected with curved splint (17), shell (1) left and right sides
Top on open up fluted (9), the bottoms of two grooves (9) is hinged with the second electric pushrod (10), two second electricity
Dynamic one end common hinged closures (11) of the push rod (10) far from shell (1), the lower surface of the cover board (11) passes through hinge and shell
The top of body (1) is hinged, and the left and right sides inner wall of the shell (1) is fixed with solenoid valve.
2. a kind of sewage monitoring sampling filtering device according to claim 1, which is characterized in that a left side for the shell (1)
Right both sides have been fixedly connected with flange (12), and two opposite sides of the flange (12) are fixed with sealing ring.
3. a kind of sewage monitoring sampling filtering device according to claim 1, which is characterized in that first electric pushrod
(2), the second electric pushrod (10), solenoid valve and electric rotating machine (4) are electrically connected by controlling switch with external power supply.
4. a kind of sewage monitoring sampling filtering device according to claim 1, which is characterized in that under the cover board (11)
Surface and two opposite sides of curved splint (17) are fixed with rubber pad.
5. a kind of sewage monitoring sampling filtering device according to claim 1, which is characterized in that the Rose Box (7)
The left and right sides offers multiple limbers, and the inside of the Rose Box (7) is fixed with filter screen and activated carbon.
6. a kind of sewage monitoring sampling filtering device according to claim 1, which is characterized in that the elastic telescopicing rod
(16) include outer bar (18), the side of the outer bar (18) offers cavity, and spring (19) and interior bar (20) are equipped in cavity,
The both ends of the spring (19) are fixedly connected with one end of the inner wall of cavity and interior bar (20) respectively, the interior bar (20) it is another
End is across cavity and extends outwardly.
7. a kind of sewage monitoring sampling filtering device according to claim 1, which is characterized in that second screen pack
(6) mesh diameter is smaller than the mesh diameter of the first screen pack (8).
8. a kind of sewage monitoring sampling filtering device according to claim 1, which is characterized in that under the shell (1)
Surface is fixedly connected there are two supporting rod (13).
9. a kind of sewage monitoring sampling filtering device according to claim 1, which is characterized in that the material of the cover board (11)
Matter is tempered glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810342939.4A CN108325257A (en) | 2018-04-17 | 2018-04-17 | A kind of sewage monitoring sampling filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810342939.4A CN108325257A (en) | 2018-04-17 | 2018-04-17 | A kind of sewage monitoring sampling filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108325257A true CN108325257A (en) | 2018-07-27 |
Family
ID=62933335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810342939.4A Withdrawn CN108325257A (en) | 2018-04-17 | 2018-04-17 | A kind of sewage monitoring sampling filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108325257A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772880A (en) * | 2019-11-06 | 2020-02-11 | 安徽京诚检测技术有限公司 | Sampling filter equipment that precision is high |
| CN111766356A (en) * | 2020-07-01 | 2020-10-13 | 四川欣洋远锦环保科技有限公司 | COD ammonia nitrogen two-in-one on-line monitoring equipment |
| CN112697674A (en) * | 2020-12-21 | 2021-04-23 | 新疆碧水源环境资源股份有限公司 | Sewage purification performance detection device |
| CN113188775A (en) * | 2021-07-02 | 2021-07-30 | 成都康拓兴业科技有限责任公司 | Aviation anticollision lamp flash frequency tester |
| CN114441729A (en) * | 2022-01-29 | 2022-05-06 | 曾剑威 | Water quality monitoring system and method thereof |
| CN116973526A (en) * | 2023-04-12 | 2023-10-31 | 江苏捷利达环保科技有限公司 | Ammonia nitrogen on-line monitor and monitoring method |
-
2018
- 2018-04-17 CN CN201810342939.4A patent/CN108325257A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110772880A (en) * | 2019-11-06 | 2020-02-11 | 安徽京诚检测技术有限公司 | Sampling filter equipment that precision is high |
| CN111766356A (en) * | 2020-07-01 | 2020-10-13 | 四川欣洋远锦环保科技有限公司 | COD ammonia nitrogen two-in-one on-line monitoring equipment |
| CN112697674A (en) * | 2020-12-21 | 2021-04-23 | 新疆碧水源环境资源股份有限公司 | Sewage purification performance detection device |
| CN112697674B (en) * | 2020-12-21 | 2024-03-22 | 新疆碧水源环境资源股份有限公司 | Sewage purification performance detection device |
| CN113188775A (en) * | 2021-07-02 | 2021-07-30 | 成都康拓兴业科技有限责任公司 | Aviation anticollision lamp flash frequency tester |
| CN113188775B (en) * | 2021-07-02 | 2022-02-01 | 成都康拓兴业科技有限责任公司 | Aviation anticollision lamp flash frequency tester |
| CN114441729A (en) * | 2022-01-29 | 2022-05-06 | 曾剑威 | Water quality monitoring system and method thereof |
| CN114441729B (en) * | 2022-01-29 | 2024-03-01 | 曾剑威 | Water quality monitoring system and method thereof |
| CN116973526A (en) * | 2023-04-12 | 2023-10-31 | 江苏捷利达环保科技有限公司 | Ammonia nitrogen on-line monitor and monitoring method |
| CN116973526B (en) * | 2023-04-12 | 2024-05-03 | 江苏捷利达环保科技有限公司 | Ammonia nitrogen on-line monitor and monitoring method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180727 |
|
| WW01 | Invention patent application withdrawn after publication |