CN221445490U - Sampling device for heavy metal detection in pipeline sewage - Google Patents
Sampling device for heavy metal detection in pipeline sewage Download PDFInfo
- Publication number
- CN221445490U CN221445490U CN202323519213.9U CN202323519213U CN221445490U CN 221445490 U CN221445490 U CN 221445490U CN 202323519213 U CN202323519213 U CN 202323519213U CN 221445490 U CN221445490 U CN 221445490U
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- Prior art keywords
- sleeve
- sewage
- sampling
- sampling tube
- tube
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- 238000005070 sampling Methods 0.000 title claims abstract description 101
- 239000010865 sewage Substances 0.000 title claims abstract description 73
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The application relates to a sampling device for detecting heavy metals in pipeline sewage, which belongs to the technical field of sewage pipeline sampling detection and comprises a sleeve, a sampling tube, a sealing gasket, a piston, a push rod and a driving assembly; the sleeve is vertically welded on the sewage pipe and communicated with the sewage pipe; the sampling tube is inserted in the sleeve in a sliding manner, a water inlet hole is formed in one end, close to the axis of the sewage pipe, of the side wall of the sampling tube, a water outlet hole is formed in one end, far away from the axis of the sewage pipe, of the side wall of the sampling tube, and a branch pipe corresponding to the water outlet hole is communicated with the side wall of the sleeve; the sealing gasket is fixed at one end part of the sampling tube facing the sewage pipe, and the outer peripheral wall of the sealing gasket is in sealing fit with the inner peripheral wall of the sleeve; the piston is arranged in the sampling tube in a sliding manner and is coaxially distributed with the sampling tube; one end of the push rod is connected with the piston, and the other end extends out of the sleeve; according to the application, on one hand, sampling from a water outlet of a sewage pipeline is not needed, and on the other hand, sewage samples in different links can be collected, so that the accuracy of sampling detection is improved.
Description
Technical Field
The utility model relates to the technical field of sampling and detection of sewage pipelines, in particular to a sampling device for detecting heavy metals in pipeline sewage
Background
The discharge and amplification of industrial sewage and domestic sewage are carried out by adopting pipelines, the sewage is generally sampled only at the water outlet of the pipeline, the water outlet of the pipeline is generally arranged in relatively hidden places such as a sewer or a river side, the environment is relatively dirty, the sampling is very inconvenient, in addition, the samples collected at the water outlet are the sewage collected by each pipeline, the parameters of the sewage in each link cannot be represented, and the inaccurate results after sampling and detection are easily caused.
Disclosure of utility model
The utility model provides a sampling device for detecting heavy metals in pipeline sewage, which solves the technical problems by adopting the following technical scheme: a sampling device for detecting heavy metals in pipeline sewage comprises a sleeve, a sampling tube, a sealing gasket, a piston, a push rod and a driving assembly;
the sleeve is vertically welded on the sewage pipe and is communicated with the sewage pipeline;
The sampling tube is inserted in the sleeve in a sliding manner, a water inlet hole is formed in one end, close to the axis of the sewage pipe, of the side wall of the sampling tube, a water outlet hole is formed in one end, far away from the axis of the sewage pipe, of the side wall of the sleeve, and a branch pipe corresponding to the water outlet hole is communicated with the side wall of the sleeve;
The sealing gasket is fixed at one end part of the sampling tube facing into the sewage pipe, and the peripheral wall of the sealing gasket is in sealing fit with the inner peripheral wall of the sleeve;
The piston is arranged in the sampling tube in a sliding manner and is coaxially distributed with the sampling tube;
One end of the push rod is connected with the piston, and the other end of the push rod extends out of the sleeve;
the driving assembly is used for driving the sampling tube to axially move along the sleeve.
The driving assembly comprises a shaft tube and an adjusting ring, the adjusting ring is located in one end, far away from the sewage pipe, of the sleeve and is coaxially distributed with the sampling tube, a first supporting rod is connected between the adjusting ring and the sleeve, the shaft tube penetrates through the adjusting ring and is in threaded connection with the adjusting ring, and the shaft tube is rotationally connected with the sampling tube and sleeved on the outer side of the push rod.
The sampling tube is internally provided with a second supporting rod which is perpendicular to the axis of the sampling tube through a screw, the shaft tube is rotationally connected with the second supporting rod, and the first supporting rod is fixed with the sleeve through a screw.
The shaft tube extends out of the sleeve, and two symmetrically distributed rotating handles are vertically arranged at one extending end of the shaft tube.
A limiting piece is fixed at one end of the sampling tube, which is far away from the sewage pipeline, a limiting groove extending along the axial direction of the sleeve is formed in the limiting piece, a positioning screw is arranged in the limiting groove in a penetrating manner, and the positioning screw is in threaded connection with the sleeve; when the positioning screw abuts against the first end of the limiting groove, the water inlet hole is positioned in the sleeve, and the water outlet hole is closed by the sampling tube; when the positioning screw is propped against the second end of the limiting groove, the water inlet hole is positioned in the sewage pipeline, and the water outlet hole is communicated with the branch pipe.
The periphery wall of the sampling tube is provided with annular grooves which are coaxially distributed with the water outlet holes, and elastic sealing rings are embedded in the annular grooves.
The shaft tube is vertically provided with a safety pin in a penetrating way, and the push rod is provided with a through hole for the safety pin to penetrate.
The sleeve is connected with a sealing tube in a threaded manner, and one end, far away from the sleeve, of the sealing tube is sealed.
Through the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
1. The sampling devices can be arranged at intervals along the distribution direction of the sewage pipeline and maintain the sealing of sampling positions, so that on one hand, sampling from the water outlet of the sewage pipeline is not needed, and on the other hand, sewage samples in different links can be collected, and the accuracy of sampling detection is improved;
2. After the sampling is finished, an operator can push the piston to discharge sewage in the sampling tube through the push rod, so that sewage residue is reduced, and the influence on the next sewage sampling is reduced;
3. The push rod is fixed through the plug-in fit of the safety pin and the through hole, so that the piston keeps a sealing state of the water inlet hole, and meanwhile, the sealing tube seals the sleeve opening, thereby playing a role in protecting the sampling port of the sewage pipeline at the position.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic representation of the present utility model for embodying a first strut and a second strut;
FIG. 4 is a schematic representation of the present utility model for embodying a sealed tube.
In the figure: 1. a sleeve; 11. a sampling tube; 111. a water inlet hole; 112. a water outlet hole; 113. a second strut; 12. a sealing gasket; 13. a piston; 14. a push rod; 15. a branch pipe; 2. a drive assembly; 21. a shaft tube; 211. a rotating handle; 22. an adjusting ring; 221. a first strut; 3. a limiting piece; 31. a limit groove; 32. a set screw; 4. a ring groove; 41. an elastic sealing ring; 5. a safety pin; 51. a through hole; 6. sealing the tube.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. In the description of the present utility model, it should be understood that the terms "left", "right", "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and "first", "second", etc. do not indicate the importance of the components, and thus are not to be construed as limiting the present utility model. The specific dimensions adopted in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present utility model.
As shown in fig. 1, the sampling device for detecting heavy metals in pipeline sewage comprises a sleeve 1, a sampling tube 11, a sealing gasket 12, a piston 13, a push rod 14 and a driving assembly 2.
The sleeve 1 is vertically welded on the sewage pipe and is communicated with the interior of the sewage pipe, if the material of the sewage pipe can not meet the welding requirement, a sampling port can be drilled on the sewage pipe, an annular steel plate is buried in the sampling port, and the sleeve 1 is welded on the basis of the steel plate.
The sampling tube 11 is in sliding connection in the sleeve 1 and is in sealing fit with the sleeve 1, a water inlet hole 111 is formed in one end, close to the axis of the sewage pipe, of the side wall of the sampling tube 11, a water outlet hole 112 is formed in one end, far away from the axis of the sewage pipe, of the side wall of the sleeve 1, and a branch pipe 15 corresponding to the water outlet hole 112 is communicated with the side wall of the sleeve 1.
The sealing gasket 12 is fixed at one end part of the sampling tube 11 facing the sewage pipe, the outer peripheral wall of the sealing gasket 12 is in sealing fit with the inner peripheral wall of the sleeve 1, and in an initial state, the sealing gasket 12 seals the joint of the sleeve 1 and the sewage pipe to prevent sewage from flowing into the sleeve 1; the piston 13 is arranged in the sampling tube 11 in a sliding manner and is coaxially distributed with the sampling tube 11, the thickness of the piston 13 is larger than the inner diameter of the water inlet 111, and when the piston 13 abuts against the inner bottom of the sampling tube 11, the piston 13 blocks and seals the water inlet 111; one end of the push rod 14 is coaxially connected with the piston 13, the other end of the push rod extends out of the sleeve 1, and the driving assembly 2 is used for driving the sampling tube 11 to axially move along the sleeve 1.
As shown in fig. 1 and 2, the driving assembly 2 comprises a shaft tube 21 and an adjusting ring 22, the adjusting ring 22 is positioned in one end of the sleeve 1 far away from the sewage pipe and is coaxially distributed with the sampling tube 11, a first supporting rod 221 is connected between the adjusting ring 22 and the sleeve 1, the first supporting rod 221 is fixed with the sleeve 1 through a screw, the adjusting ring 22 is fixed through the first supporting rod 221, and the shaft tube 21 passes through the adjusting ring 22 and is in threaded connection with the adjusting ring 22; a second supporting rod 113 perpendicular to the axis of the sampling tube 11 is fixed in the sampling tube 11 through a screw, one end of the shaft tube 21 is rotatably connected with the second supporting rod 113 and sleeved outside the push rod 14, the other end of the shaft tube extends out of the sleeve 1, and the push rod 14 penetrates out of the shaft tube 21. The end of the shaft tube 21 extending out of the sleeve 1 is vertically provided with two handles 211 symmetrically distributed about the axis of the shaft tube 21.
When the sampling tube 11 is in an initial state, the water inlet hole 111 is positioned in the sleeve 1, the water outlet hole 112 is staggered with the branch pipe 15 and is blocked by the sampling tube 11, and the piston 13 is positioned at the bottom in the sampling tube 11; the operator rotates the rotating handle 211 to drive the shaft tube 21 to rotate, the shaft tube 21 is driven to advance through the threaded engagement of the shaft tube 21 and the adjustment and replacement to push the sampling tube 11, so that the sampling tube 11 partially moves into the sewage pipeline until the water outlet 112 is communicated with the branch pipe 15, at the moment, the water inlet 111 is in contact with sewage, the operator pulls the push rod 14 outwards to drive the piston 13 to move away from the water inlet 111, so that the sewage enters the sampling tube 11 from the water inlet 111, the operator continues to pull the push rod 14 until the piston 13 leaves the water outlet 112, and the sewage in the sewage pipeline flows out through the water inlet 111, the sampling tube 11, the water outlet 112 and the branch pipe 15; after the sampling is finished, an operator pushes the push rod 14 to enable the piston 13 to move to the bottom of the sampling tube 11, sewage in the sampling tube 11 is discharged, then the shaft tube 21 is rotated to drive the sampling tube 11 to move back and reset, and the water outlet 112 is blocked. When the sampling tube 11 moves into the sewage pipeline, the sealing gasket 12 can remove impurities at the joint of the sleeve 1 and the sewage pipeline so as not to interfere or block the sampling.
As shown in fig. 2, the outer peripheral wall of the sampling tube 11 is provided with annular grooves 4 coaxially distributed with the water outlet 112, and the annular grooves 4 are embedded with elastic sealing rings 41. The elastic sealing ring 41 is beneficial to increasing the tightness of the sampling tube 11 between the water outlet holes 112 and the sleeve 1.
A limiting piece 3 is fixed at one end of the sampling tube 11 far away from the sewage pipeline, a limiting groove 31 extending along the axial direction parallel to the sleeve 1 is formed in the limiting piece 3, a positioning screw 32 is arranged in the limiting groove 31 in a penetrating manner, and the positioning screw 32 is in threaded connection with the sleeve 1; the limiting groove 31 has a first end and a second end, the first end is close to the sampling tube 11, the second end is far away from the sampling tube 11, when the positioning screw 32 abuts against the first end of the limiting groove 31, the water inlet 111 is positioned in the sleeve 1, and the water outlet 112 is closed by the sampling tube 11; when the positioning screw 32 abuts against the second end of the limiting groove 31, the water inlet 111 is positioned in the sewage pipeline, and the water outlet 112 is communicated with the branch pipe 15; the restriction by the limiting groove 31 facilitates the operator to control the moving position of the sampling tube 11.
As shown in fig. 1 and 3, the shaft tube 21 is vertically provided with a safety pin 5, and the push rod 14 is provided with a through hole 51 through which the safety pin 5 passes. When the sampling is finished and the piston 13 abuts against the inner bottom of the sampling tube 11, the safety pin 5 is opposite to the through hole 51, and an operator passes the push rod 14 through the through hole 51 to limit the movement of the push rod 14 and the rotation of the shaft tube 21, so that the sealing gasket 12 is maintained at the joint of the sleeve 1 and the sewage pipeline for sealing; when sampling is to be performed, the operator only needs to pull out the safety pin 5.
As shown in fig. 4, the sleeve 1 is connected with a sealing tube 6 in a threaded manner, one end of the sealing tube 6 far away from the sleeve 1 is closed, when leakage occurs in the sleeve 1, the sealing tube 6 blocks sewage in the sleeve 1 to play a role in protection, and meanwhile, the sealing tube 6 also prevents internal components of the sleeve 1 from contacting the outside.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" in the present application means that each exists alone or both exist.
"Connected" as used herein means either a direct connection between components or an indirect connection between components via other components.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. The sampling device for detecting heavy metals in pipeline sewage is characterized by comprising a sleeve (1), a sampling tube (11), a sealing gasket (12), a piston (13), a push rod (14) and a driving assembly (2);
The sleeve (1) is vertically welded on the sewage pipe and is communicated with the sewage pipeline;
The sampling tube (11) is inserted in the sleeve (1) in a sliding manner, a water inlet hole (111) is formed in one end, close to the axis of the sewage pipe, of the side wall of the sampling tube (11), a water outlet hole (112) is formed in one end, far away from the axis of the sewage pipe, of the side wall of the sleeve (1), and a branch pipe (15) corresponding to the water outlet hole (112) is communicated with the side wall of the sleeve (1);
the sealing gasket (12) is fixed at one end part of the sampling tube (11) facing the sewage pipe, and the outer peripheral wall of the sealing gasket (12) is in sealing fit with the inner peripheral wall of the sleeve (1);
the piston (13) is arranged in the sampling tube (11) in a sliding manner and is coaxially distributed with the sampling tube (11);
one end of the push rod (14) is connected with the piston (13), and the other end extends out of the sleeve (1);
The driving assembly (2) is used for driving the sampling tube (11) to axially move along the sleeve (1).
2. A sampling device for heavy metal detection in pipeline sewage according to claim 1, characterized in that the driving assembly (2) comprises a shaft tube (21) and an adjusting ring (22), the adjusting ring (22) is located in one end of the sleeve (1) far away from the sewage pipe and is coaxially distributed with the sampling tube (11), a first supporting rod (221) is connected between the adjusting ring (22) and the sleeve (1), the shaft tube (21) penetrates through the adjusting ring (22) and is in threaded connection with the adjusting ring (22), and the shaft tube (21) is rotatably connected with the sampling tube (11) and sleeved on the outer side of the push rod (14).
3. A sampling device for detecting heavy metals in sewage in a pipeline according to claim 2, characterized in that a second supporting rod (113) perpendicular to the axis of the sampling tube (11) is fixed in the sampling tube (11) through a screw, the shaft tube (21) is rotatably connected with the second supporting rod (113), and the first supporting rod (221) is fixed with the sleeve (1) through a screw.
4. A sampling device for the detection of heavy metals in a pipeline effluent according to claim 2, wherein the shaft tube (21) extends out of the sleeve (1) and two symmetrically distributed handles (211) are vertically arranged at the extending end.
5. The sampling device for detecting heavy metals in pipeline sewage according to claim 1, wherein a limiting piece (3) is fixed at one end of the sampling tube (11) far away from the sewage pipeline, a limiting groove (31) extending along the axial direction parallel to the sleeve (1) is formed in the limiting piece (3), a positioning screw (32) is arranged in the limiting groove (31) in a penetrating manner, and the positioning screw (32) is in threaded connection with the sleeve (1); when the positioning screw (32) is abutted against the first end of the limiting groove (31), the water inlet hole (111) is positioned in the sleeve (1), and the water outlet hole (112) is closed by the sampling tube (11); when the positioning screw (32) is propped against the second end of the limiting groove (31), the water inlet hole (111) is positioned in the sewage pipeline, and the water outlet hole (112) is communicated with the branch pipe (15).
6. The sampling device for detecting heavy metals in pipeline sewage according to claim 1, wherein annular grooves (4) coaxially distributed with the water outlet holes (112) are formed in the peripheral wall of the sampling tube (11), and elastic sealing rings (41) are embedded in the annular grooves (4).
7. The sampling device for detecting heavy metals in pipeline sewage according to claim 2, wherein a safety pin (5) is vertically arranged on the shaft tube (21), and a through hole (51) for the safety pin (5) to pass through is arranged on the push rod (14).
8. A sampling device for the detection of heavy metals in pipeline sewage according to claim 1, characterized in that the sleeve (1) is screwed with a sealing tube (6), and the end of the sealing tube (6) far away from the sleeve (1) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323519213.9U CN221445490U (en) | 2023-12-22 | 2023-12-22 | Sampling device for heavy metal detection in pipeline sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323519213.9U CN221445490U (en) | 2023-12-22 | 2023-12-22 | Sampling device for heavy metal detection in pipeline sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221445490U true CN221445490U (en) | 2024-07-30 |
Family
ID=92062968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323519213.9U Active CN221445490U (en) | 2023-12-22 | 2023-12-22 | Sampling device for heavy metal detection in pipeline sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221445490U (en) |
-
2023
- 2023-12-22 CN CN202323519213.9U patent/CN221445490U/en active Active
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