CN112516638A - A filter equipment for hydrology water quality testing - Google Patents
A filter equipment for hydrology water quality testing Download PDFInfo
- Publication number
- CN112516638A CN112516638A CN202011221611.0A CN202011221611A CN112516638A CN 112516638 A CN112516638 A CN 112516638A CN 202011221611 A CN202011221611 A CN 202011221611A CN 112516638 A CN112516638 A CN 112516638A
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- water
- storage cylinder
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- cylinder
- box
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 238000012372 quality testing Methods 0.000 title claims description 5
- 238000001914 filtration Methods 0.000 claims abstract description 88
- 239000010865 sewage Substances 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000000746 purification Methods 0.000 claims abstract description 18
- 239000008213 purified water Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
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
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- 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
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- 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
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a filtering device for hydrological water quality detection, which comprises a box body and a plurality of water filtering units arranged in the box body, wherein the box body is provided with a plurality of water filtering units; the water filtering unit comprises a sewage storage cylinder, a water filtering cylinder and a purified water storage cylinder; the water filtering device is characterized in that a first-stage filter plate, a second-stage filter plate and a third-stage filter plate are sequentially arranged in a cylinder body of the water filtering cylinder from top to bottom, and external threads are arranged on the outer walls of the upper end and the lower end of the water filtering cylinder; the upper end of the water filtering cylinder is screwed into the lower end of the sewage storage cylinder; the lower end of the water filtering cylinder is screwed into the upper end of the water purifying storage cylinder; a cover is arranged at a sewage inlet at the upper end of the sewage storage cylinder; a ring body is fixed in the purified water storage cylinder, a water inlet pipe is detachably arranged in a hole in the center of the ring body, and a one-way valve is arranged in the water inlet pipe; the lower end of the water purification storage cylinder is provided with a plug cover. The invention can integrate the functions of water storage and water filtration and is convenient to carry, thereby providing more convenience for hydrology workers.
Description
Technical Field
The invention belongs to the technical field of hydrological water quality detection, and particularly relates to a filtering device for hydrological water quality detection.
Background
The hydrological water quality detection is a process for monitoring and determining the types of pollutants in a water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition, and is also the most basic work of hydrological workers, the influence of natural weather on the environment is directly determined by the hydrological water quality detection, and the excellent hydrological water quality detection data can avoid a plurality of natural disasters caused by water, so that the prevention effect can be achieved. The water used for hydrological water quality detection is usually pumped out from a river channel or underground, the water is usually accompanied by impurities, the impurities in the water not only can influence equipment and even damage the equipment, but also can greatly influence the water quality to be detected, and the detected data have great difference. Therefore, need adopt water earlier when carrying out hydrology water quality testing and filter afterwards, the staff takes back the sample of a plurality of waters of gathering and filters, does not have dedicated equipment at present when carrying, carries the sample of water and filterable operating procedure many simultaneously, and used equipment is also many, consequently makes hydrology staff's work efficiency lower, brings inconvenience for the hydrology water quality testing work.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a filter device for hydrological water quality detection, which can integrate the functions of storing water and filtering water, and is convenient to carry, so as to provide more convenience for hydrological workers.
In order to solve the technical problems, the invention adopts the technical scheme that: a filtering device for hydrological water quality detection comprises a box body and a plurality of water filtering units arranged in the box body;
the water filtering unit comprises a sewage storage cylinder, a water filtering cylinder and a water purifying storage cylinder which are sequentially arranged from top to bottom; the sewage storage cylinder and the water filtering cylinder are connected through threads, and the water filtering cylinder and the water purifying storage cylinder are connected through threads;
a first-stage filter plate, a second-stage filter plate and a third-stage filter plate are sequentially arranged in the cylinder body of the water filtering cylinder from top to bottom;
a cover is arranged at a sewage inlet at the upper end of the sewage storage cylinder; a ring body is fixed in the purified water storage cylinder, a water inlet pipe is detachably arranged in a hole in the center of the ring body, and a one-way valve is arranged in the water inlet pipe; the lower end of the water purification storage cylinder is provided with a plug cover.
Further, the box includes articulated left box and the right box of connecting, be equipped with matched with fixed band and fixed the knot on left side box and the right box respectively, be equipped with matched with left handle and right handle on left side box and the right box respectively.
Further, be equipped with the mounting panel in the right side box, keeping away from of mounting panel one side of left side box articulated connect in right side box, the upper surface of mounting panel is equipped with the draw-in groove that is used for placing drainage unit, left side box is in the position department of draw-in groove one-to-one is equipped with the cardboard, is equipped with the rubber pad on the cardboard.
The water purification device further comprises an accelerated filtering mechanism, wherein the accelerated filtering mechanism comprises a fixed rod and accelerated filtering units which correspond to the water filtering units one by one, the fixed rod is fixed in a strip hole formed in the mounting plate, and the strip hole is positioned on one side, close to the water purification storage cylinder, of the mounting plate;
the accelerating and filtering unit comprises a piston disc, a traction rope, an elastic rope and a fixed pulley, wherein the piston disc, the traction rope and the elastic rope are arranged in the water purification storage cylinder, the fixed pulley is sleeved on the fixed rod, and a rubber ring for sealing is arranged on the side wall, matched with the water purification storage cylinder, of the piston disc;
the one end of haulage rope is fixed in the lower extreme of piston dish, and the other end of haulage rope passes blanking cover, bypass be connected with the one end of stretch cord behind the fixed pulley, the other end and the body of rod of setting at the mounting panel lower surface of stretch cord are connected, the body of rod is located keeping away from of mounting panel one side of rectangular hole, the stretch cord is tensile state, it is fixed that the haulage rope passes through spacing unit.
Further, the limiting unit comprises a bolt, a clamping ring, a fixing groove and a pull rope, the clamping ring and the fixing groove are fixed at the lower end of the blocking cover, two ends of the pull rope are respectively connected to one ends of the blocking cover and the bolt, and the other end of the bolt penetrates through the clamping ring and is arranged in a hole in the pull rope and then is inserted into the fixing groove.
Furthermore, the limiting unit further comprises a fixing nut, and the end part of the fixing nut is abutted to the side wall of the bolt after being screwed into the threaded hole in the fixing groove.
Furthermore, both ends of the elastic rope are detachably connected with the rod body and the traction rope.
The technical scheme of the invention has the following beneficial effects:
the device can integrate the functions of water storage and filtering, is convenient to carry, and can provide more convenience for hydrologic workers, and the acceleration filtering unit enables the part of the water purification storage cylinder between the water inlet pipe and the piston disc to be in a negative pressure state during filtering, so that the water in the sewage storage cylinder can flow into the water purification storage cylinder in an acceleration mode, the purpose of accelerating filtering is realized, and the efficiency of filtering water is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a filtering device for hydrological water quality detection in the invention.
Fig. 2 is a schematic diagram of the internal structure of the filter device for hydrological water quality detection of the present invention.
Fig. 3 is an enlarged view of fig. 2 at a.
Fig. 4 is a schematic structural view of the lower surface of the mounting plate.
Fig. 5 is a schematic structural view of a water filtering unit.
Description of reference numerals:
1-a sewage storage cylinder; 2-a water filtering cylinder; 3-a purified water storage cylinder;
4-first stage filter plate; 5-a secondary filter plate; 6-three-stage filter plate;
7-a sewage inlet; 8-ring body; 9-a water inlet pipe;
10-blocking cover; 11-left box body; 12-right box body;
13-fixing the belt; 14-a right handle; 15-mounting a plate;
16-a card slot; 17-a clamping plate; 18-a fixation rod;
19-a piston disc; 20-a hauling rope; 21-elastic cord;
22-a fixed pulley; 23-a latch; 24-a snap ring;
25-a fixed groove; 26-a pull rope; 27-fixing the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the filtering device for hydrological water quality detection of the present invention includes a box body, and a plurality of water filtering units disposed in the box body;
the water filtering unit comprises a sewage storage cylinder 1, a water filtering cylinder 2 and a purified water storage cylinder 3;
the water filtering device is characterized in that a first-stage filter plate 4, a second-stage filter plate 5 and a third-stage filter plate 6 are sequentially arranged in a cylinder body of the water filtering cylinder 2 from top to bottom, and external threads are arranged on the outer walls of the upper end and the lower end of the water filtering cylinder 2; the upper end of the water filtering cylinder 2 is screwed into the lower end of the sewage storage cylinder 1; the lower end of the water filtering cylinder 2 is screwed into the upper end of the water purifying storage cylinder 3;
a cover is arranged at a sewage inlet 7 at the upper end of the sewage storage cylinder 1; a ring body 8 is fixed in the purified water storage cylinder 3, a water inlet pipe 9 is detachably mounted in a hole in the center of the ring body 8, and a one-way valve is arranged in the water inlet pipe 9; the lower end of the purified water storage cylinder 3 is provided with a plug cover 10.
When the hydrologic staff goes out to collect water, the water filtering units can be carried by the box body, and the plurality of water filtering units can collect samples of water with different water qualities. Hydrology staff deposits the water of gathering in a sewage storage cylinder 1 and can return and detect. The box is when removing, and sewage storage cylinder 1 is located the inside top of box to the gravity of usable water filters, and the water of gathering filters at the in-process that carries, has consequently improved the efficiency of drainage, has shortened hydrology staff's latency, and the device can integrate the function of water storage, drainage simultaneously portable, consequently can provide more facility for hydrology staff.
The water of gathering is poured into sewage storage cylinder 1 through sewage entry 7, and the water in the sewage storage cylinder 1 is through one-level filter 4, second grade filter 5 and tertiary filter 6's filtration back in proper order, gets into water purification storage cylinder 3 through inlet tube 9, when taking out the water in the water purification storage cylinder 3, at first with water purification storage cylinder 3 from the lower extreme of water filtration cylinder 2 screw out, then take out the back with inlet tube 9 from water purification storage cylinder 3's ring body 8, can pour water from the hole at ring body 8 center.
The specific filtering structures of the first-stage filtering plate 4, the second-stage filtering plate 5 and the third-stage filtering plate 6 can be selected according to the property of the actual water body, and meanwhile, the filtering plates smaller than three or larger than three can be selected for filtering.
In this embodiment, the box includes articulated left box 11 and the right box 12 of connecting, be equipped with matched with fixed band 13 and fixed the knot respectively on left side box 11 and the right box 12, be equipped with matched with left handle and right handle 14 on left side box 11 and the right box 12 respectively.
It should be noted that the fixing strap 13 and the fixing buckle facilitate fixing the left box 11 and the right box 12, and prevent the components therein from falling. The left box body 11 and the right box body 12 are respectively provided with a left handle and a right handle 14 which are matched with each other, and the left handle and the right handle 14 are combined to form a handle for carrying hydrologic workers, so that the hydrologic workers can further avoid the left box body 11 and the right box body 12 from being separated in the process of carrying the box bodies, and the reliability of the device is improved.
In this embodiment, an installation plate 15 is arranged in the right box body 12, one side of the installation plate 15, which is far away from the left box body 11, is hinged to the right box body 12, a clamping groove 16 for placing a water filtering unit is arranged on the upper surface of the installation plate 15, clamping plates 17 are arranged at positions of the left box body 11, which correspond to the clamping grooves 16 one by one, and rubber pads are arranged on the clamping plates 17.
It should be noted that, after the water filtering unit is placed in the clamping groove 16, the box body is fastened, and the clamping plate 17 can fix the position of the water filtering unit again, so that the problem that the water filtering unit shakes in the box body when the box body moves is avoided. The rubber pad on cardboard 17 can make the drainage unit be tight fit state between draw-in groove 16 and cardboard 17.
In this embodiment, the device further comprises an accelerated filtering mechanism, wherein the accelerated filtering mechanism comprises a fixing rod 18 and accelerated filtering units corresponding to the water filtering units one by one, the fixing rod 18 is fixed in a strip hole formed in the mounting plate 15, and the strip hole is located on one side, close to the purified water storage cylinder 3, of the mounting plate 15;
the accelerated filtration unit comprises a piston disc 19, a traction rope 20, an elastic rope 21 and a fixed pulley 22, wherein the piston disc 19, the traction rope 20 and the elastic rope 21 are arranged in the water purification storage cylinder 3, the fixed pulley 22 is sleeved on the fixed rod 18, and a rubber ring for sealing is arranged on the side wall, matched with the water purification storage cylinder 3, of the piston disc 19;
one end of the hauling rope 20 is fixed at the lower end of the piston disc 19, the other end of the hauling rope 20 penetrates the blocking cover 10 and bypasses the fixed pulley 22 and then is connected with one end of the elastic rope 21, the other end of the elastic rope 21 is connected with a rod body arranged on the lower surface of the mounting plate 15, the rod body is located on one side of the mounting plate 15, away from the strip hole, the elastic rope 21 is in a stretching state, and the hauling rope 20 is fixed through a limiting unit.
It should be noted that, in an initial state, the pulling rope 20 is fixed by the limiting unit, at this time, the water filtering unit is located in the clamping groove 16, the piston disc 19 is close to the ring body 8, no water is in the purified water storage cylinder 3, and the elastic rope 21 is in a stretched state.
When pouring sewage into sewage storage cylinder 1 in and filtering, loosen haulage rope 20 through adjusting spacing unit, at this moment, piston disc 19 is under haulage rope 20 and stretch cord 21's effect, to keeping away from the direction of ring body 8 one side removes, and the part of water purification storage cylinder 3 between inlet tube 9 and piston disc 19 is negative pressure state to can make the water in the sewage storage cylinder 1 flow in to water purification storage cylinder 3 with higher speed, thereby realized the purpose of filter with higher speed, and then improved the efficiency of drainage.
All the joints of the sewage storage cylinder 1, the water filtering cylinder 2 and the water purifying storage cylinder 3 are in airtight connection state.
In this embodiment, the limiting unit includes a latch 23, a snap ring 24, a fixing groove 25 and a pull rope 26, the snap ring 24 and the fixing groove 25 are fixed at the lower end of the blocking cover 10, two ends of the pull rope 26 are respectively connected to one end of the blocking cover 10 and one end of the latch 23, and the other end of the latch 23 passes through the snap ring 24 and a hole formed in the pulling rope 20 and then is inserted into the fixing groove 25.
It should be noted that the pulling rope 20 can be fixed by the limiting unit, so that the piston disc 19 is in the initial state. When the water needs to be filtered, the pulling rope 20 can be loosened after the bolt 23 is pulled out of the fixing groove 25, the hole on the pulling rope 20 and the snap ring 24.
In this embodiment, the limiting unit further includes a fixing nut 27, and an end of the fixing nut 27 is screwed into the threaded hole of the fixing groove 25 and then abuts against the side wall of the plug 23.
It should be noted that the fixing nut 27 can firmly fix the latch 23 in the fixing groove 25 to avoid the problem that the latch 23 is disengaged to cause the worker to repeatedly restore the accelerated filtering unit to the original state.
In this embodiment, the two ends of the elastic rope 21 are detachably connected to the rod body and the pulling rope 20.
It should be noted that the detachable connection facilitates the recovery of the accelerated filtering unit to the initial state by the worker, and also facilitates the taking out of the filtering unit by the worker.
When filtering water, the waste water storage cartridge 1 of the water filtering unit is positioned above, i.e., as shown in fig. 5. Fig. 2 is an expanded view, after the left box body 11 and the right box body 12 are buckled, a worker can hold the box bodies by the left handle and the right handle 14 in the way, and at the moment, the sewage storage cylinder 1 of the water filtering unit is positioned above the box bodies, so that the filtering can be carried out. When the box body is moved by other transportation tools, the left handle and the right handle 14 of the box body are placed upwards to be filtered.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. A filter equipment for hydrology water quality testing which characterized in that: the water filter comprises a box body and a plurality of water filtering units arranged in the box body;
the water filtering unit comprises a sewage storage cylinder (1), a water filtering cylinder (2) and a water purifying storage cylinder (3) which are sequentially arranged from top to bottom; the sewage storage cylinder (1) is connected with the water filtering cylinder (2), and the water filtering cylinder (2) is connected with the purified water storage cylinder (3) through threads;
a primary filter plate (4), a secondary filter plate (5) and a tertiary filter plate (6) are sequentially arranged in the cylinder body of the water filtering cylinder (2) from top to bottom;
a cover cap is arranged at a sewage inlet (7) at the upper end of the sewage storage cylinder (1); a ring body (8) is fixed in the purified water storage cylinder (3), a water inlet pipe (9) is detachably mounted in a hole in the center of the ring body (8), and a one-way valve is arranged in the water inlet pipe (9); the lower end of the purified water storage cylinder (3) is provided with a plug cover (10).
2. The filtering device for hydrological water quality detection according to claim 1, wherein: the box is including articulated left box (11) and right box (12) of connecting, be equipped with matched with fixed band (13) and fixed the knot on left side box (11) and right box (12) respectively, be equipped with matched with left handle and right handle (14) on left side box (11) and right box (12) respectively.
3. The filtering device for hydrological water quality detection as claimed in claim 2, wherein: be equipped with mounting panel (15) in right side box (12), keeping away from of mounting panel (15) one side of left side box (11) articulated connect in right side box (12), the upper surface of mounting panel (15) is equipped with draw-in groove (16) that are used for placing drainage unit, left side box (11) are in draw-in groove (16) one-to-one's position department is equipped with cardboard (17), is equipped with the rubber pad on cardboard (17).
4. The filtering device for hydrological water quality detection as claimed in claim 3, wherein: the water purifying device is characterized by further comprising an accelerating filtering mechanism, wherein the accelerating filtering mechanism comprises a fixing rod (18) and accelerating filtering units which correspond to the water filtering units one by one, the fixing rod (18) is fixed in a strip-shaped hole formed in the mounting plate (15), and the strip-shaped hole is located on one side, close to the water purifying storage cylinder (3), of the mounting plate (15);
the accelerated filtration unit comprises a piston disc (19) arranged in the water purification storage cylinder (3), a traction rope (20), an elastic rope (21) and a fixed pulley (22) sleeved on a fixed rod (18), and a rubber ring for sealing is arranged on the side wall of the piston disc (19) matched with the water purification storage cylinder (3);
the one end of haulage rope (20) is fixed in the lower extreme of piston dish (19), and the other end of haulage rope (20) passes blanking cover (10) and bypass be connected with the one end of stretch cord (21) behind fixed pulley (22), the other end and the body of rod of setting at mounting panel (15) lower surface of stretch cord (21) are connected, the body of rod is located keeping away from of mounting panel (15) one side in rectangular hole, stretch cord (21) are tensile state, haulage rope (20) are fixed through spacing unit.
5. The filtering device for hydrological water quality detection according to claim 4, wherein: spacing unit includes bolt (23), snap ring (24), fixed slot (25) and stay cord (26), snap ring (24) and fixed slot (25) are fixed the lower extreme of blanking cover (10), and stay cord (26) both ends are connected respectively in the one end of blanking cover (10) and bolt (23), the other end of bolt (23) passes snap ring (24) and sets up and is in insert behind the hole on haulage rope (20) fixed slot (25).
6. The filtering device for hydrological water quality detection according to claim 5, wherein: the limiting unit further comprises a fixing nut (27), and the end of the fixing nut (27) is abutted to the side wall of the bolt (23) after being screwed into a threaded hole in the fixing groove (25).
7. The filtering device for hydrological water quality detection according to claim 5, wherein: both ends of the elastic rope (21) are detachably connected with the rod body and the traction rope (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221611.0A CN112516638A (en) | 2020-11-05 | 2020-11-05 | A filter equipment for hydrology water quality testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221611.0A CN112516638A (en) | 2020-11-05 | 2020-11-05 | A filter equipment for hydrology water quality testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112516638A true CN112516638A (en) | 2021-03-19 |
Family
ID=74980717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011221611.0A Pending CN112516638A (en) | 2020-11-05 | 2020-11-05 | A filter equipment for hydrology water quality testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112516638A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301010A (en) * | 1980-03-10 | 1981-11-17 | Spectrum Medical Industries, Inc. | Vacuum filter |
| CN201894877U (en) * | 2010-06-11 | 2011-07-13 | 中国人民解放军军事医学科学院卫生学环境医学研究所 | Filter for water-quality bacterial examination |
| CN108996733A (en) * | 2018-10-10 | 2018-12-14 | 郭楠 | Water intaking resampling filter device |
| CN111085018A (en) * | 2019-12-30 | 2020-05-01 | 陕西博睿信息科技有限公司 | Filter for detecting water quality by using filter membrane method |
-
2020
- 2020-11-05 CN CN202011221611.0A patent/CN112516638A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301010A (en) * | 1980-03-10 | 1981-11-17 | Spectrum Medical Industries, Inc. | Vacuum filter |
| CN201894877U (en) * | 2010-06-11 | 2011-07-13 | 中国人民解放军军事医学科学院卫生学环境医学研究所 | Filter for water-quality bacterial examination |
| CN108996733A (en) * | 2018-10-10 | 2018-12-14 | 郭楠 | Water intaking resampling filter device |
| CN111085018A (en) * | 2019-12-30 | 2020-05-01 | 陕西博睿信息科技有限公司 | Filter for detecting water quality by using filter membrane method |
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Application publication date: 20210319 |
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| RJ01 | Rejection of invention patent application after publication |