CN112414744A - Drawer type pipeline sediment aboveground sampler and sampling method thereof - Google Patents
Drawer type pipeline sediment aboveground sampler and sampling method thereof Download PDFInfo
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- CN112414744A CN112414744A CN201910774895.7A CN201910774895A CN112414744A CN 112414744 A CN112414744 A CN 112414744A CN 201910774895 A CN201910774895 A CN 201910774895A CN 112414744 A CN112414744 A CN 112414744A
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- rail frame
- sampler
- sampling groove
- slide rail
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- 239000013049 sediment Substances 0.000 title claims abstract description 148
- 238000005070 sampling Methods 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000007689 inspection Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- 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)
- 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)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a drawer type pipeline sediment aboveground sampler and a sampling method thereof, wherein the aboveground sampler comprises a slide rail frame positioned in the horizontal direction, a sediment sampling groove in sliding connection with the slide rail frame, a sediment storage box positioned at the bottom of the rear end of the slide rail frame, a first driving mechanism for driving the sediment sampling groove to slide forwards, a second driving mechanism for driving the sediment sampling groove to slide backwards and a third driving mechanism for driving the sediment sampling groove to incline. When the sampler is used, a person does not need to enter the well, the sampling can be completed on the well, and the sampler is convenient and fast.
Description
Technical Field
The invention relates to the technical field of water environment restoration, in particular to a drawer type pipeline sediment aboveground sampler and a sampling method thereof.
Background
Accumulation of deposits in the drainage pipeline not only reduces the conveying space of the pipeline, but also increases water flow resistance, thereby causing reduction of the drainage capacity of the pipeline, and leading to early arrival of overload and confluence overflow of a drainage system. There are studies that show that deposits in the drain pipes are one of the main factors causing hydraulic and environmental problems. A large amount of organic matters and sulfides are contained in the drainage pipeline and the deposition bed, a series of biochemical reactions occur under the action of anaerobic microorganisms, toxic hydrogen sulfide gas is generated through decomposition, and the toxic hydrogen sulfide gas is oxidized to form sulfuric acid to corrode the pipeline. Under the scouring action of rainwater runoff, pollutants in the sediments are suspended again and released into the water again to cause impact influence on urban water, the sediments in the drainage pipeline are suspended again to expose reduced sediments in an aerobic environment and change the properties of the sediments, and the existing pollutants such as phosphorus and heavy metals are released again into the overlying water under the scouring action of rainwater, so that the bioavailability and the biological toxicity action of the heavy metals are improved, secondary pollution is generated after the pollutants are conveyed into the receiving water through a pipeline, a certain toxic action is generated on the water environment and aquatic organisms, and the sediments are obviously smelly after long-time water deposition. In conclusion, research related to sediments in urban drainage pipelines needs to be developed urgently, and theoretical basis is provided for effectively controlling pollution of drainage pipeline sediment scouring to water bodies.
In order to better study the properties of the pipeline deposit, the pipeline deposit sampling device which is simple and easy to operate needs to be invented. At present, the traditional sampling method is to enter a municipal drainage pipeline through a professional underground frogman to carry out underground sampling operation, but for a small pipe diameter (DN400 and below), the underground space is small, and pipeline sediments at a deep pipeline position are difficult to sample. The large-caliber pipeline (DN800 and above) is taken as a municipal administration main pipe, the general water flow velocity is large, the water flow condition is complex, the concentration of toxic and harmful gases is high, and although frogmans are trained professionally, the frogmans still have great potential safety hazards. There is a need for a simple and feasible sampling apparatus drainage pipeline deposit which can be obtained without manual lowering of the well.
Disclosure of Invention
The invention aims to provide a drawer type pipeline sediment sampler used in an underground well, aiming at the problems of complicated sediment sampling and potential safety hazard in an underground pipeline in the prior art.
On the other hand, the invention provides the sampling method of the drawer type pipeline sediment aboveground sampler, the method has simple and convenient steps and strong operability, and operators are on the ground in the whole sampling process, so that the danger caused by the sampling in the well is avoided.
The technical scheme adopted for realizing the purpose of the invention is as follows:
a drawer type pipeline sediment aboveground sampler comprises a slide rail frame, a sediment sampling groove, a sediment storage box, a first driving mechanism, a second driving mechanism and a third driving mechanism, wherein the slide rail frame is positioned in the horizontal direction, the sediment sampling groove is connected with the slide rail frame in a sliding mode, the sediment storage box is positioned at the bottom of the rear end of the slide rail frame, the first driving mechanism drives the sediment sampling groove to slide forwards, the second driving mechanism drives the sediment sampling groove to slide backwards, and the third driving mechanism is used for driving the sediment sampling groove to incline;
wherein: the rear end of the slide rail frame is hinged with the top of the sediment storage box, two ends of the sediment sampling groove are open, the top of the sediment storage box is open, and a control frame positioned in the vertical direction is fixed at the top of the sediment storage box;
the first driving mechanism comprises a first fixed pulley fixed at the top of the control frame, a second fixed pulley fixed at the rear part of the slide rail frame, a third fixed pulley fixed at the front end of the slide rail frame and a first rigid rope, the first rigid rope sequentially bypasses the first fixed pulley and the second fixed pulley from top to bottom, passes through the bottom of the slide rail frame, bypasses the third fixed pulley, then passes through a gap between the sediment sampling groove and the slide rail frame, and is finally fixed on a first buckle positioned at the rear part of the sediment sampling groove;
the second driving mechanism comprises a fourth fixed pulley fixed at the top of the control frame, a fifth fixed pulley fixed at the rear part of the slide rail frame and a second rigid rope, and the second rigid rope sequentially bypasses the fourth fixed pulley from top to bottom and is fixed on a second buckle positioned at the rear part of the sediment sampling groove;
the third driving mechanism comprises a sixth fixed pulley fixed at the top of the control frame and a third rigid rope, wherein the third rigid rope is fixed on a third buckle positioned at the front part of the slide rail frame after passing around the sixth fixed pulley.
In the technical scheme, the bottom of the sediment storage box is fixedly provided with the supporting rod.
In the above technical scheme, the supporting rod is a telescopic rod.
In the technical scheme, the rear part of the sediment storage box is provided with an auxiliary support rod hinged with the sediment storage box.
In the above technical scheme, the auxiliary supporting rod is a telescopic rod.
In the above technical solution, the control frame is a rectangular frame structure.
In the above technical scheme, the inner sides of the two side walls of the slide rail frame are both fixed with slide rails, the outer sides of the two side walls of the sediment sampling groove are both fixed with slide bars, and the slide bars are slidably connected with the slide rails.
In the technical scheme, the slide rail frame is of a strip-shaped groove body structure with a right-angle U-shaped cross section, and the sediment sampling groove is of a strip-shaped groove body structure with a right-angle U-shaped cross section.
In the above technical scheme, the bottom surface of the sediment sampling groove is of a cambered surface structure.
In another aspect of the present invention, the sampling method of the drawer-type pipeline sediment aboveground sampler comprises the following steps:
step 4, continuously drawing the third rigid rope, attaching the sediment sampling groove to the control frame, and enabling the sediment to fall into the sediment storage box under the action of gravity;
and 5: and taking the pipeline sediment aboveground sampler out of the inspection well and putting the pipeline sediment aboveground sampler on the well, and taking sediment out of the upper opening of the sediment storage box.
Compared with the prior art, the invention has the beneficial effects that:
1. when using this device, arrange this device in the observation well, pass in and out the deposit with the help of first actuating mechanism and second actuating mechanism drive deposit sample groove and have the pipeline of deposit, whole sample operation process, operating personnel can accomplish subaerial, avoids artifical sample of going into the well, and the sample is simple safety.
2. Each driving mechanism and other components of the device are simple, the operation is time-saving and labor-saving, and the device is convenient for commercial popularization and application;
3. the equipment flexibility is great, is applicable to the inspection shaft of the different degree of depth, the pipeline of different models, and application scope is extensive.
4. The driving system composed of the rigid rope and the pulley block is convenient for manual force application, does not need power supply equipment, and reduces the cost of the device.
Drawings
Fig. 1 is an isometric view of the structure of the sampler body of the present invention.
Fig. 2 is a front view of the sampler body according to the present invention.
Fig. 3 is a left side view showing the structure of the sampler body in the present invention.
Fig. 4 is a top view of the sampler body according to the present invention.
Fig. 5 shows a schematic folding of the sampler body according to the invention.
In the figure: 1-a slide rail frame, 2-a slide rail, 3-a sediment sampling groove, 4-a third fixed pulley, 5-a control frame, 6-a fourth fixed pulley, 7-a first fixed pulley, 8-a sixth fixed pulley, 9-a second rigid rope, 10-a first rigid rope, 11-a third rigid rope, 12-a fifth fixed pulley, 13-a second fixed pulley, 14-an auxiliary support rod, 15-a sediment storage box, 16-a support rod, 17-a first buckle, 18-a second buckle and 19-a third buckle.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A drawer type pipeline sediment aboveground sampler comprises a slide rail frame 1 positioned in the horizontal direction, a sediment sampling groove 3 connected with the slide rail frame 1 in a sliding manner, a sediment storage box 15 positioned at the bottom of the rear end of the slide rail frame 1, a first driving mechanism driving the sediment sampling groove 3 to slide forwards, a second driving mechanism driving the sediment sampling groove 3 to slide backwards and a third driving mechanism used for driving the sediment sampling groove 3 to incline;
wherein: the rear end of the slide rail frame 1 is hinged with the top of the sediment storage box 15, two ends of the sediment sampling groove 3 are open, the top of the sediment storage box 15 is open, and the top of the sediment storage box 15 is fixedly provided with a control frame 5 positioned in the vertical direction;
the first driving mechanism comprises a first fixed pulley 7 fixed at the top of the control frame 5, a second fixed pulley 13 fixed at the rear of the slide rail frame 1, a third fixed pulley 4 fixed at the front end of the slide rail frame 1 and a first rigid rope 10, wherein the first rigid rope 10 sequentially bypasses the first fixed pulley 7 and the second fixed pulley 13 from top to bottom, passes through the bottom of the slide rail frame 1, bypasses the third fixed pulley 4, then passes through a gap between the sediment sampling groove 3 and the slide rail frame 1, and is finally fixed on a first buckle 17 positioned at the rear of the sediment sampling groove 3;
the second driving mechanism comprises a fourth fixed pulley 6 fixed at the top of the control frame 5, a fifth fixed pulley 12 fixed at the rear part of the slide rail frame 1, and a second rigid rope 9, wherein the second rigid rope 9 sequentially bypasses the fourth fixed pulley 6 from top to bottom, and the fifth fixed pulley 12 is fixed on a second buckle 18 positioned at the rear part of the sediment sampling groove 3;
the third driving mechanism comprises a sixth fixed pulley 8 fixed on the top of the control frame 5 and a third rigid rope 11, wherein the third rigid rope 11 is fixed on a third buckle 19 positioned at the front part of the slide rail frame 1 after passing around the sixth fixed pulley 8.
A sediment sampling method comprises the following steps:
and 2, loosening the third rigid rope 11 to enable the sediment sampling groove 3 and the sliding rail frame 1 to be approximately flush with the pipeline. The first rigid rope 10 is pulled, and the sediment sampling groove 3 moves forwards along the sliding rail frame 1 under the traction of the first rigid rope 10 and enters the pipeline to move to obtain sediment;
and 4, pulling the third rigid rope 11, inclining the sediment sampling groove 3 until the sediment sampling groove is attached to the control frame 5, and enabling the sediment to fall into the sediment storage box 15 under the action of gravity.
And 5: taking out the pipeline sediment aboveground sampler from the inspection well and putting the pipeline sediment aboveground sampler on the well; the sediment is taken out of the upper opening of the sediment storage tank 15.
Example 2
Preferably, a support bar 16 is fixed to the bottom of the sediment storage tank 15. The support bar 16 may support the sediment sampling tank 3 to a height such that it is aligned with the sediment in the pipeline.
Preferably, the support rod 16 is a telescopic rod. The length of the sampling device can be adjusted according to actual working conditions, and the sampling device is suitable for sediment sampling operation under different environments.
Preferably, the rear part of the sediment storage box 15 is provided with an auxiliary support rod 14 hinged with the sediment storage box. When in use, the auxiliary support rod 14 is adjusted to form an included angle with the sediment storage box 15, so that the device is stably supported at the bottom of the inspection well. The auxiliary support bar 14 is attached to the control frame 5 in a non-operating state.
Preferably, the auxiliary support bar 14 is a telescopic bar. The length of the device can be adjusted according to actual working conditions.
As a preferable mode, the control frame 5 is a rectangular frame structure, so that the weight of the sampler can be effectively reduced, and the sampler is more convenient to carry.
Example 3
Preferably, the inner sides of the two side walls of the slide rail frame 1 are both fixed with slide rails 2, the outer sides of the two side walls of the sediment sampling groove 3 are both fixed with slide bars, and the slide bars are slidably connected with the slide rails 2. The slide rail is a dovetail groove guide rail, the structure of the slide bar is matched with the dovetail groove guide rail, and the slide rail is used for sliding the sediment sampling groove 3 to play a guiding role.
As a preferred mode, the slide rail frame is of a strip-shaped groove body structure with a right-angle U-shaped cross section, and the sediment sampling groove 3 is of a strip-shaped groove body structure with a right-angle U-shaped cross section. The width of the sediment sampling groove 3 is slightly smaller than that of the slide rail frame 1.
Preferably, the bottom surface of the sediment sampling groove 3 is of a cambered surface structure. The bottom surface has a groove-like structure with a certain curvature, so that the sediment sampling groove 3 can take sediment at the bottom of the columnar pipeline.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A drawer type pipeline sediment sampler in a well is characterized by comprising a slide rail frame, a sediment sampling groove, a sediment storage box, a first driving mechanism, a second driving mechanism and a third driving mechanism, wherein the slide rail frame is positioned in the horizontal direction, the sediment sampling groove is connected with the slide rail frame in a sliding manner, the sediment storage box is positioned at the bottom of the rear end of the slide rail frame, the first driving mechanism drives the sediment sampling groove to slide forwards, the second driving mechanism drives the sediment sampling groove to slide backwards, and the third driving mechanism is used for driving the sediment sampling groove to incline;
wherein: the rear end of the slide rail frame is hinged with the top of the sediment storage box, two ends of the sediment sampling groove are open, the top of the sediment storage box is open, and a control frame positioned in the vertical direction is fixed at the top of the sediment storage box;
the first driving mechanism comprises a first fixed pulley fixed at the top of the control frame, a second fixed pulley fixed at the rear part of the slide rail frame, a third fixed pulley fixed at the front end of the slide rail frame and a first rigid rope, the first rigid rope sequentially bypasses the first fixed pulley and the second fixed pulley from top to bottom, passes through the bottom of the slide rail frame, bypasses the third fixed pulley, then passes through a gap between the sediment sampling groove and the slide rail frame, and is finally fixed on a first buckle positioned at the rear part of the sediment sampling groove;
the second driving mechanism comprises a fourth fixed pulley fixed at the top of the control frame, a fifth fixed pulley fixed at the rear part of the slide rail frame and a second rigid rope, and the second rigid rope sequentially bypasses the fourth fixed pulley from top to bottom and is fixed on a second buckle positioned at the rear part of the sediment sampling groove;
the third driving mechanism comprises a sixth fixed pulley fixed at the top of the control frame and a third rigid rope, wherein the third rigid rope is fixed on a third buckle positioned at the front part of the slide rail frame after passing around the sixth fixed pulley.
2. The drawer-type pipe sediment uphole sampler of claim 1, wherein a support rod is fixed to the bottom of the sediment storage tank.
3. A drawer-type pipe sediment uphole sampler of claim 2 wherein the support rod is a telescoping rod.
4. The drawer-type pipeline sediment uphole sampler of claim 1, wherein the rear of the sediment storage tank is provided with an auxiliary support rod hinged thereto.
5. The drawer-type pipe sediment uphole sampler of claim 4, wherein the auxiliary support rod is a telescopic rod.
6. A drawer-type pipe sediment uphole sampler as claimed in claim 1 wherein the control frame is a rectangular frame structure.
7. The drawer-type pipeline sediment uphole sampler of claim 1, wherein a slide rail is fixed on the inner side of each of the two side walls of the slide rail frame, a slide bar is fixed on the outer side of each of the two side walls of the sediment sampling groove, and the slide bars are slidably connected with the slide rails.
8. The drawer-type pipeline sediment uphole sampler of claim 1, wherein the slide rail frame is a bar-shaped groove body structure with a right-angle U-shaped cross section, and the sediment sampling groove is a bar-shaped groove body structure with a right-angle U-shaped cross section.
9. The drawer-type pipeline sediment uphole sampler of claim 1, wherein the bottom surface of the sediment sampling groove is a cambered surface structure.
10. A method of sampling a drawer-type pipe deposit uphole sampler as claimed in any of claims 1-9 comprising the steps of:
step 1, rotating a sliding rail frame to enable the sliding rail frame to be attached to a control frame, conveying a pipeline sediment aboveground sampler into an inspection well, and positioning the top of the control frame on the well;
step 2, loosening the third rigid rope to enable the sediment sampling groove, the sliding rail frame and the pipeline to be approximately flush, enabling the sliding rail frame to be perpendicular to the control frame, drawing the first rigid rope, enabling the sediment sampling groove to move forwards along the sliding rail frame and enter the pipeline to move, and obtaining sediment;
step 3, the third rigid rope is pulled, an acute angle is formed between the sliding rail frame and the horizontal plane, the second rigid rope is pulled, the sediment sampling groove moves backwards along the sliding rail frame under the traction of the second rigid rope and moves outwards the pipeline until the sediment sampling groove returns to the original position and is completely positioned in the sliding rail frame;
step 4, continuously drawing the third rigid rope, attaching the sediment sampling groove to the control frame, and enabling the sediment to fall into the sediment storage box under the action of gravity;
and 5: and taking the pipeline sediment aboveground sampler out of the inspection well and putting the pipeline sediment aboveground sampler on the well, and taking sediment out of the upper opening of the sediment storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774895.7A CN112414744B (en) | 2019-08-21 | 2019-08-21 | Drawer type pipeline sediment uphole sampler and sampling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774895.7A CN112414744B (en) | 2019-08-21 | 2019-08-21 | Drawer type pipeline sediment uphole sampler and sampling method thereof |
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| Publication Number | Publication Date |
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| CN112414744A true CN112414744A (en) | 2021-02-26 |
| CN112414744B CN112414744B (en) | 2024-09-06 |
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| CN201910774895.7A Active CN112414744B (en) | 2019-08-21 | 2019-08-21 | Drawer type pipeline sediment uphole sampler and sampling method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791250A (en) * | 2022-11-10 | 2023-03-14 | 中国长江三峡集团有限公司 | Sampler and using method |
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| FR2779909A1 (en) * | 1998-06-19 | 1999-12-24 | Jean Luc Chauvineau | Cage for raising domestic animals |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115791250A (en) * | 2022-11-10 | 2023-03-14 | 中国长江三峡集团有限公司 | Sampler and using method |
| CN115791250B (en) * | 2022-11-10 | 2023-09-12 | 中国长江三峡集团有限公司 | Sampler and application method |
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| Publication number | Publication date |
|---|---|
| CN112414744B (en) | 2024-09-06 |
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