CN113720646A - Water quality sampling equipment of different depths for industrial wastewater treatment - Google Patents
Water quality sampling equipment of different depths for industrial wastewater treatment Download PDFInfo
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- CN113720646A CN113720646A CN202111035078.3A CN202111035078A CN113720646A CN 113720646 A CN113720646 A CN 113720646A CN 202111035078 A CN202111035078 A CN 202111035078A CN 113720646 A CN113720646 A CN 113720646A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000005070 sampling Methods 0.000 title claims abstract description 23
- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 19
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 abstract description 3
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 239000013543 active substance Substances 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (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 water quality sampling device with different depths for industrial wastewater treatment, which is structurally provided with a water taking bottle, a balancing weight, a water outlet and a handle, wherein the balancing weight is fixedly arranged below the water taking bottle, two side ends of the handle are hinged with two sides of the upper end of the periphery of the water taking bottle, a movable body is subjected to water pressure to carry out pivot point type swing and fold movement, a flexible deformation block is folded under the matching of a hinge rod, so that the whole deformation rod has elastic deformation force, a certain weight is provided through a bias ball, the rolling movement of the bias ball assists the hinge rod to fold, further the folding plate is assisted to fold downwards, the folding plate is controlled to reset to be transversely placed, the size of a through flow path of an empty port is effectively controlled, a certain degree of control is provided for water flow, large-substance impurities such as weeds can be intercepted, an inertia acting force is generated by an inertia device along with the folding of a plate, the intercepted active substances are effectively, and the ball structure of a rotating block drives water, the water flow can better flow into the water carrying liner through the side opening of the upper cover device.
Description
Technical Field
The invention belongs to the field of industrial wastewater treatment, and particularly relates to water quality sampling equipment with different depths for industrial wastewater treatment.
Background
The water source is as the energy resource in the social life, and it must have the pollution in use, and personnel can detect water pollution degree, pollutant kind etc. through the water quality sample, confirm the quality of water condition, and the water pollutant content on the different degree of depth earth's surface is different, utilizes the quality of water sampling equipment of the different degree of depth can effectively carry out the sample test to the water of the different degree of depth position.
Based on the inventor, the existing water quality sampling equipment with different depths for industrial wastewater treatment has the following defects:
after the personnel put into the aquatic with equipment again, water is usually under gravity, pushes down the top cap, makes the sampling chamber top be the open mode and then flows in the sampling chamber, because often have pasture and water, difficult decomposition rubbish etc. in the water, together flow to the sampling chamber in, cause the too much impurity of sample thing of water quality sample easily, lead to the quality of water sample effect not good.
Therefore, it is necessary to provide a water quality sampling device with different depths for industrial wastewater treatment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide water quality sampling equipment with different depths for industrial wastewater treatment so as to solve the problems in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a quality of water sampling equipment of different degree of depth for industrial waste water treatment, its structure is equipped with gets water bottle, balancing weight, delivery port, handle, balancing weight fixed mounting gets water bottle below, handle both sides end and the articulated connection in water bottle periphery upper end both sides of getting, delivery port and getting water bottle formula structure as an organic whole just link up the setting and locate at its position under left.
The water taking bottle is provided with an outer frame, a water carrying liner, an upper cover device and a filter plate, wherein the water carrying liner is positioned on the inner side of the outer frame, the upper cover device is fixedly installed at the top end of the outer frame and positioned above the water carrying liner, and the filter plate is connected to the middle upper position inside the water carrying liner in an embedded mode.
As a further improvement of the present invention, the upper cover device is provided with a solid plate, an empty opening, two movable bodies and a connecting frame, the empty opening and the solid plate are of an integrated structure and are located at the inner side of the solid plate, the movable bodies are respectively hinged and connected to two side ends of the connecting frame and are movably matched, the movable bodies are movably clamped in the empty opening, the empty opening is in a state of being through up and down, and the two movable bodies are of a symmetrical structure about the connecting frame.
As a further improvement of the invention, the movable body is provided with a deformation rod and a folding plate, the deformation rod is connected below the folding plate and is movably matched with the folding plate, the deformation rod is in an arc shape and has deformation, and the folding plate can be folded in a supporting point mode.
As a further improvement of the invention, the deformation rod is provided with a deformation block, a hinge rod and a press ball, the hinge rod is embedded and connected to the inner side of the deformation block and is movably matched, the press ball is movably arranged in the hinge rod, the deformation block is made of silica gel and has a certain toughness supporting degree, the hinge rod can perform hinge swinging and folding activities by taking the center as a fulcrum and is a rod-shaped object with a hollow inner part, and the press ball is of a spherical structure, has a certain weight and can change the size.
As a further improvement of the invention, the press ball is provided with an expansion ring, a bias ball and a variable rod, the bias ball moves inside the expansion ring, the variable rod is connected between the inner side of the expansion ring and the outer periphery of the bias ball and movably matched, the expansion ring is annular and has annular elasticity, the bias ball is a heavy ball with fixed size, and the variable rod can elastically expand and contract.
As a further improvement of the invention, the folding plate is provided with a plate, an inertia device and a rotating block, the inertia device is positioned at the middle-upper position in the plate, the rotating block is connected at one side end of the plate in a penetrating manner, the plate is a plate object with a groove, the rotating block is in a spherical ball structure, and the penetrating plate can perform displacement and rotation movement in a certain area.
As a further improvement of the invention, the inertia device is provided with a swing plate, a fold block and a fixture block, the swing plate is connected above the fold block and is movably matched, the fixture block is fixedly connected outside the top end surface of the swing plate, the swing plate is in a long plate shape, and the fold block has folding property and can be elastically folded, pressed and unfolded.
As a further improvement of the invention, the rotating block is provided with a cavity, an elastic block, a connecting rod frame and a driving rotating block, the elastic block is connected to the periphery of the cavity, the connecting rod frame is hinged and movably matched with the tail end of the driving rotating block, the front end of the driving rotating block is slidably connected to the inner side of the cavity, the elastic block is made of rubber and has certain flexibility, the connecting rod frame has elasticity, the driving rotating block has certain weight, and the connecting rod frame and the two driving rotating blocks are in a group to be matched and move.
Compared with the prior art, the invention has the following beneficial effects:
1. the movable body is subjected to water pressure to perform pivot type swinging movement, the flexible deformation block is made to be folded under the matching of the hinge rod, so that the whole deformation rod has elastic deformation force, the bias ball has certain weight, the rolling movement of the bias ball assists the hinge rod to fold, the folding plate is further assisted to fold downwards, the folding plate is controlled to be reset to be transversely placed, the size of the flow diameter of a hollow opening is effectively controlled, the water flow has certain control degree, and large-substance impurities such as weeds and the like can be intercepted, an inertia acting force is generated by the inertia device along with the folding of the plate, the intercepted substances are effectively activated, the spherical structure of the rotation block drives the rotation block to water, and water flow can better flow into the water carrying liner through the side opening of the upper cover device.
2. Elasticity fold deformability through the fold piece, the cooperation drives the pendulum folded plate and is fulcrum type book and move, be convenient for the pendulum folded plate have inertia and reciprocal perk pendulum when rolling over along with the folding plate pendulum, be convenient for intercept debris by the protruding form of fixture block, under inertial force, the messenger is held back the debris on the outer terminal surface of pendulum folded plate and is taken off the outer terminal surface of folding plate, can provide the self-rotation power for the cavity through driving the commentaries on classics piece, when being convenient for with the contact of real inboard wall, buffering counterbalance force, and nimble change frictional force, it constantly has the rotation effect to order about the commentaries on classics piece wholly, effectively drive the water circulation.
Drawings
FIG. 1 is a schematic structural diagram of water quality sampling equipment with different depths for industrial wastewater treatment according to the present invention.
Fig. 2 is a schematic view of the internal cross-sectional structure of a water bottle according to the present invention.
Fig. 3 is a schematic view of the internal cross-sectional structure of a cover device according to the present invention.
Fig. 4 is a schematic view of the internal cross-sectional structure of a movable body according to the present invention.
FIG. 5 is a schematic view of the internal cross-sectional structure of a shape-changing rod according to the present invention.
Fig. 6 is a schematic view of the internal cross-sectional structure of a press ball according to the present invention.
Fig. 7 is a schematic view of the internal cross-section of a folding plate according to the present invention.
Fig. 8 is a schematic view of an internal cross-sectional structure of an inertial device according to the present invention.
Fig. 9 is a schematic view of an internal cross-sectional structure of a rotary block according to the present invention.
In the figure: the water taking bottle comprises a water taking bottle-1, a balancing weight-2, a water outlet-3, a lifting handle-4, an outer frame-11, a water carrying liner-12, an upper cover device-13, a filter plate-14, a solid plate-131, an empty port-132, a movable body-133, a connecting frame-134, a deformation rod-a 1, a folding plate-a 2, a deformation block-a 11, a hinge rod-a 12, a press ball-a 13, a telescopic ring-s 1, a bias weight ball-s 2, a change rod-s 3, a plate-a 21, an inertia device-a 22, a rotating block-a 23, a swing plate-q 1, a folding block-q 2, a clamping block-q 3, a cavity-w 1, an elastic block-w 2, a rod frame-w 3 and a driving and rotating block-w 4.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 7:
the invention provides water quality sampling equipment with different depths for industrial wastewater treatment, which is structurally provided with a water taking bottle 1, a balancing weight 2, a water outlet 3 and a handle 4, wherein the balancing weight 2 is fixedly arranged below the water taking bottle 1, two side ends of the handle 4 are hinged with two sides of the upper end of the periphery of the water taking bottle 1, and the water outlet 3 and the water taking bottle 1 are of an integrated structure and are arranged at a lower position of the integrated structure in a penetrating way.
The water taking bottle 1 is provided with an outer frame 11, a water carrying liner 12, an upper cover device 13 and a filter plate 14, wherein the water carrying liner 12 is positioned on the inner side of the outer frame 11, the upper cover device 13 is fixedly installed at the top end of the outer frame 11, the upper cover device 13 is positioned above the water carrying liner 12, and the filter plate 14 is embedded and connected at the middle upper position inside the water carrying liner 12.
The upper cover device 13 is provided with a solid plate 131, two empty openings 132, two movable bodies 133 and a connecting frame 134, the empty openings 132 and the solid plate 131 are integrated and located on the inner side of the solid plate, the movable bodies 133 are respectively hinged to two side ends of the connecting frame 134 and movably matched, the movable bodies 133 are movably clamped in the empty openings 132, the empty openings 132 are in a vertically through state, the two movable bodies 133 are in a symmetrical structure with respect to the connecting frame 134, and the through state of the empty openings 132 facilitates the movable bodies 133 to perform pivot type swing and folding activities under the water pressure.
The movable body 133 is provided with a deformation rod a1 and a folding plate a2, the deformation rod a1 is connected below the folding plate a2 and is movably matched with the folding plate a2, the deformation rod a1 is in an arc shape and has deformation performance, the folding plate a2 can be folded in a fulcrum mode, the flexible deformation of the deformation rod a1 assists the folding plate a2 to fold downwards, and the folding plate a2 is controlled to be reset to be transversely placed.
Wherein, deformation pole a1 is equipped with deformation piece a11, articulated pole a12, presses ball a13, articulated pole a12 embedding is connected at deformation piece a11 inboard and clearance fit, press ball a13 activity in articulated pole a12, deformation piece a11 is the silica gel material, has certain toughness support degree, articulated pole a12 can be the center and do articulated pendulum and roll over the activity as the fulcrum, and be the shaft-like thing of inside hollow, press ball a13 to be the ball structure, have certain weight and can carry out the size change, press ball a13 roll extrusion in articulated pole a12, supplementary articulated pole a12 atress is carried out the pendulum and is rolled over, be convenient for articulated pole a12 by the toughness of deformation piece a11 to roll over and make the whole tangible variable force of deformation pole a 1.
Wherein, pressure ball a13 is equipped with expansion ring s1, heavy ball s2, change pole s3, heavy ball s2 activity is inboard in expansion ring s1, change pole s3 connect between expansion ring s1 is inboard and heavy ball s2 periphery and clearance fit, expansion ring s1 is cyclic annular, and has annular elasticity, heavy ball s2 is the globular thing of fixed size's heavyweight, change pole s3 can carry out elastic expansion and contraction, the elastic expansion power cooperation heavy ball s2 displacement of change pole s3, exert the weight to expansion ring s1 different positions, make expansion ring s1 expand and contract the change to make pressure ball a13 have better displacement roll extrusion activity on the whole.
The folding plate a2 is provided with a plate a21, an inertia device a22 and a rotating block a23, the inertia device a22 is located at the middle-upper position inside the plate a21, the rotating block a23 is connected to one side end of the plate a21 in a penetrating manner, the plate a21 is a plate object with a groove, the rotating block a23 is of a spherical structure and can perform displacement and rotation movement in a certain area after penetrating through the side end of the plate a21, the inertia device a22 generates acting force along with the folding of the plate a21, and the spherical structure of the rotating block a23 facilitates the continuous rotation and has power for water.
The specific use mode and function of the embodiment are as follows: a person puts the whole equipment into water by tying a rope on a handle 4, the equipment can sink under the action of the weight of a balancing weight 2, the person controls the sinking depth of the water bottle 1 by pulling the rope oppositely, the water flows into a water carrying liner 12 through an opening structure of an empty opening 132, water pressure generates acting force on a movable body 133 to enable the movable body to move, water drained into the water carrying liner 12 is filtered through a filter plate 14, impurities carried in the water are intercepted on the filter plate 14, the phenomenon that the impurities are mixed in the liquid water excessively to affect the sampling and detection of the water body is avoided, the movable body 133 is subjected to pivot point type swing movement under the water pressure, a flexible deformation block a11 is folded under the matching of a hinge rod a12 to enable the deformation rod a1 to have elastic deformation force integrally, a certain weight is achieved through a bias ball s2, the bias ball is displaced under the elastic telescopic matching of a variable rod s3 to generate impact pressure on a telescopic ring s1, the water-carrying bladder 12 is provided with an annular expansion and contraction change, so that the water-carrying bladder is beneficial to continuously having a rolling effect, the auxiliary hinge rod a12 is folded, the deformation rod a1 can be flexibly deformed conveniently, the auxiliary folding plate a2 is folded downwards, the folding plate a2 is controlled to be reset to be transversely placed, the size of the through flow diameter of the air hole 132 is effectively controlled, the water flow rate is controlled to a certain degree, large-substance impurities such as weeds can be intercepted, an inertia acting force is generated by the inertia device a22 along with the folding of the plate a21, the intercepted substances are effectively activated to be far away from the upper end face of the folding plate a2, the self and aquatic-generated liquid are rubbed by the spherical structure of the rotating block a23 to continuously rotate, water is provided with power, and the better water flow can conveniently flow into the water-carrying bladder 12 through the side opening of the upper cover device 13.
Example 2:
as shown in fig. 8 to 9:
the inertia device a22 is provided with a swing flap q1, a fold block q2 and a fixture block q3, the swing flap q1 is connected above the fold block q2 and is in movable fit, the fixture block q3 is fixedly connected outside the top end surface of the swing flap q1, the swing flap q1 is long plate-shaped, the fold block q2 has fold property and can be elastically folded, unfolded and changed, the elastic fold shape of the fold block q2 is changed to assist in driving the swing flap q1 to perform pivot point type folding, the convex shape of the fixture block q3 is convenient for intercepting sundries, and the sundries intercepted on the outer end surface of the swing flap q1 are separated under the inertia force generated by driving the swing flap q1 to fold by the fold block q 2.
Wherein, commentaries on classics piece a23 is equipped with cavity w1, bullet piece w2, links up lever frame w3, drives commentaries on classics piece w4, bullet piece w2 is connected in cavity w1 periphery, link up lever frame w3 and drive commentaries on classics piece w4 end hinged joint and clearance fit, it is inboard in cavity w1 to drive commentaries on classics piece w4 front end sliding connection, bullet piece w2 is the rubber material, has certain pliability, it has the elasticity to link up lever frame w3, it has certain weight to drive commentaries on classics piece w4, link up lever frame w3 and two and drive commentaries on classics piece w4 and do the cooperation activity for a set of, the weight of driving commentaries on classics piece w4 is convenient for cavity w1 provides from the rotating force, and the toughness of bullet piece w2 is convenient for when it contacts with the foreign object, the buffering counterbalance force, makes commentaries on classics piece a23 flexible rotation in an entirety.
The specific use mode and function of the embodiment are as follows: through the elastic fold deformation of the fold block q2, the swing flap plate q1 is driven to perform pivot type folding in a matching mode, the swing flap plate q1 is convenient to have inertia to tilt and swing back and forth when being folded along with the folding plate a2, sundries are conveniently intercepted by the convex shape of the clamping block q3, under the action of inertia force, the sundries intercepted on the outer end face of the swing flap plate q1 are separated from the outer end face of the folding plate a2, the rotation block w4 has certain weight and can provide self-rotation force for the cavity w1, the elastic block w2 has self toughness, when being convenient to be in contact with the inner side wall of the solid plate 131, the abutting force is buffered, the friction force is flexibly changed, the rotation block a23 is driven to have a self-rotation effect integrally, water body circulation is effectively driven, and large substances can be intercepted.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (8)
1. The utility model provides a quality of water sampling equipment of different degree of depth for industrial waste water treatment, its structure is equipped with gets water bottle (1), balancing weight (2), delivery port (3), handle (4), balancing weight (2) fixed mounting is in getting water bottle (1) below, handle (4) both sides end and getting water bottle (1) periphery upper end both sides are articulated to be connected, delivery port (3) and get water bottle (1) structure as an organic whole and link up the setting in its position department under the left side, its characterized in that:
get water bottle (1) and be equipped with frame (11), carry water courage (12), upper cover device (13), filter plate (14), it is inboard that carry water courage (12) are located frame (11), upper cover device (13) fixed mounting is on frame (11) top, upper cover device (13) are located and carry water courage (12) top, filter plate (14) embedding connection is in carrying the inside middle upper position department of water courage (12).
2. The water quality sampling device with different depths for industrial wastewater treatment as set forth in claim 1, wherein: the upper cover device (13) is provided with a solid plate (131), an empty opening (132), a movable body (133) and a connecting frame (134), the empty opening (132) and the solid plate (131) are of an integrated structure and are located on the inner side of the empty opening, the movable body (133) is respectively hinged to two side ends of the connecting frame (134) and is movably matched with the two side ends of the connecting frame, and the movable body (133) is movably clamped in the empty opening (132).
3. The water quality sampling device with different depths for industrial wastewater treatment as set forth in claim 2, wherein: the movable body (133) is provided with a deformation rod (a1) and a folding plate (a2), and the deformation rod (a1) is connected below the folding plate (a2) and is in movable fit with the folding plate.
4. The water quality sampling device with different depths for industrial wastewater treatment as set forth in claim 3, wherein: deformation pole (a1) are equipped with deformation piece (a11), articulated rod (a12), press ball (a13), articulated rod (a12) embedding is connected at deformation piece (a11) inboard and clearance fit, press ball (a13) activity in articulated rod (a 12).
5. The water quality sampling device with different depths for industrial wastewater treatment as set forth in claim 4, wherein: the pressure ball (a13) is provided with a telescopic ring (s1), a weight biasing ball (s2) and a variable rod (s3), the weight biasing ball (s2) is movable on the inner side of the telescopic ring (s1), and the variable rod (s3) is connected between the inner side of the telescopic ring (s1) and the periphery of the weight biasing ball (s2) and is in movable fit with the periphery of the weight biasing ball.
6. The water quality sampling device with different depths for industrial wastewater treatment as set forth in claim 3, wherein: the folding plate (a2) is provided with a plate (a21), an inertia device (a22) and a rotating block (a23), the inertia device (a22) is positioned at the middle-upper position in the plate (a21), and the rotating block (a23) is connected with one side end of the plate (a21) in a penetrating way.
7. The water quality sampling device with different depths for industrial wastewater treatment as set forth in claim 6, wherein: the inertia device (a22) is provided with a swing plate (q1), a crumple block (q2) and a clamping block (q3), the swing plate (q1) is connected above the crumple block (q2) and movably matched with the crumple block, and the clamping block (q3) is fixedly connected to the top end face of the swing plate (q 1).
8. The water quality sampling device with different depths for industrial wastewater treatment as set forth in claim 6, wherein: commentaries on classics piece (a23) is equipped with cavity (w1), bullet piece (w2), links up pole frame (w3), drives commentaries on classics piece (w4), bullet piece (w2) are connected in cavity (w1) periphery, link up pole frame (w3) and drive commentaries on classics piece (w4) end hinged joint and clearance fit, it is inboard in cavity (w1) to drive commentaries on classics piece (w4) front end sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111035078.3A CN113720646A (en) | 2021-09-05 | 2021-09-05 | Water quality sampling equipment of different depths for industrial wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111035078.3A CN113720646A (en) | 2021-09-05 | 2021-09-05 | Water quality sampling equipment of different depths for industrial wastewater treatment |
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| CN113720646A true CN113720646A (en) | 2021-11-30 |
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| CN202111035078.3A Pending CN113720646A (en) | 2021-09-05 | 2021-09-05 | Water quality sampling equipment of different depths for industrial wastewater treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102724860B1 (en) * | 2024-03-28 | 2024-11-01 | 송호철 | Apparatus for collecting underwater suspended matter |
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