CN115301642B - Sewage sampling self-cleaning device and sampling method - Google Patents
Sewage sampling self-cleaning device and sampling method Download PDFInfo
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- CN115301642B CN115301642B CN202210818095.2A CN202210818095A CN115301642B CN 115301642 B CN115301642 B CN 115301642B CN 202210818095 A CN202210818095 A CN 202210818095A CN 115301642 B CN115301642 B CN 115301642B
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- 238000005070 sampling Methods 0.000 title claims abstract description 112
- 239000010865 sewage Substances 0.000 title claims abstract description 57
- 238000004140 cleaning Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 122
- 238000001514 detection method Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- 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
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical 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 sewage sampling self-cleaning device and a sampling method, and relates to the technical field of sewage discharge monitoring. This self-cleaning device of sewage sampling, the easy problem that influences the detection precision because of remaining such as impurity when mainly used solves the continuous sample of sewage, with the device assembly to sewage discharge pipeline, then control pneumatic cylinder drives the sampling tube through the locating rack and inserts sewage for drive the clearance ring piece operation of tip in the transmission interior axle operation through the transmission outer axle, strike off and clear up the pipeline inner wall of sampling tube, guarantee that the sewage sample does not receive the residue pollution at every turn, improve the accuracy of detection. After the sampling is finished, the hydraulic cylinder drives the sampling tube to reset, so that the transmission inner shaft drives the transmission block at the end part to be separated from the transmission groove, the device is kept static, and the using effect and the efficiency of equipment can be improved.
Description
Technical Field
The invention relates to the technical field of sewage discharge monitoring, in particular to a sewage sampling self-cleaning device and a sampling method.
Background
Water is a life source, and human beings cannot leave water in life and production activities, so that the quality of drinking water is closely related to human health. A large amount of domestic sewage, industrial sewage, medical wastewater and the like can be generated in the economic and social development process, and a plurality of sewage can be discharged only when reaching national, local or industrial standards, so that whether the sewage or the treated sewage reaches the standard or not needs to be accurately monitored. At present, various sampling devices are generally used for sampling sewage in real time, and the pump body is used for pumping the sewage and conveying the sewage to a detection device for detection. After continuous operation for many times, the inner wall of the sampling pipeline can be provided with residues of last water quality sampling, so that samples conveyed to the detection device are polluted, deviation of detection results is caused, and accuracy and reliability of monitoring data are seriously affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a self-cleaning device and a sampling method for sewage sampling, which solve the problem that the detection precision is easily affected by residues such as impurities during sewage sampling.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a sewage sample is from cleaning device, includes the collar, there is the locating sleeve at the outside middle part of collar through threaded connection, one side tip fixed mounting of locating sleeve has the linking return bend, the outside fixed mounting of locating sleeve has the pump body, and the water inlet end of the pump body and the one end fixed connection of linking return bend, the constant head tank has all been offered to the equal symmetry in both sides of collar, and the inside equal fixed mounting of constant head tank has sealed backing ring, the inside of locating sleeve is provided with the sampling subassembly, the sampling subassembly includes the sampling tube, the outside fixed cover of sampling tube has locating rack, and through locating rack slidable mounting in the inside of sampling tube, the middle part fixed mounting of sampling tube has the elastic tube, and the tip fixed mounting of sampling tube has the filter plate, the inside of filter plate is provided with the transmission in the axle, and the one end fixed sleeve joint of transmission in the axle has the clearance ring piece, the clearance ring piece is through the inside central point of transmission rotation installation in the filter plate, and with the sampling tube between can the relative slip in the transmission in the axle, the other end fixed mounting has the drive piece, the inside of installing the sampling tube.
Preferably, the transmission assembly comprises a transmission outer shaft, the transmission outer shaft is rotatably installed in the installation ring, a plurality of arc-shaped blades are fixedly sleeved on the outer side of the transmission outer shaft, and the installation position of the transmission outer shaft is the same as that of the circle center shaft of the transmission inner shaft.
Preferably, a transmission groove is formed in one end of the inner part of the transmission outer shaft, a transmission block fixedly mounted at the end part of the transmission inner shaft is in sliding connection with the transmission groove, and a cleaning brush plate is fixedly mounted at the outer side of the transmission outer shaft.
Preferably, the cleaning brush plate has a plurality of, and a plurality of cleaning brush plate is annular and tip fixed mounting to the holding ring cover, the holding ring cover is fixed to be cup jointed in the outside of transmission outer axle.
Preferably, the installation positions of the cleaning brush plates are always parallel to the filter plates fixedly installed at the end parts of the sampling tubes, and the positioning ring sleeve is identical to the center shaft of the positioning sleeve.
Preferably, a positioning plate is fixedly arranged on one side of the inner part of the positioning sleeve, a hydraulic cylinder is fixedly arranged at the bottom of the positioning plate, and the end part of the hydraulic cylinder is fixedly connected with one side of the top surface of the positioning frame.
The invention also discloses a working method of the sewage sampling self-cleaning device, which specifically comprises the following steps:
s1, assembling the device to a sewage discharge pipe, and then connecting a pump body to a detection module through a water pipe;
s2, in the sampling process, one end of a sampling tube in the locating rack on one side is pushed to move downwards through the operation of a hydraulic cylinder, so that one end of the sampling tube is inserted into the sewage in the sewage discharge pipe while the sampling tube is stretched through the elastic tube, then a sample is extracted and transmitted to the water quality detection module through the opening of the pump body, and when the sampling tube moves downwards, the transmission inner shaft can be driven through the filter plate, so that a transmission block at the end part of the sampling tube is inserted into the transmission groove;
s3, when sewage is discharged through the sewage pipe, the transmission outer shaft which is rotatably installed can be driven to operate through the cooperation of a plurality of arc-shaped blades, and meanwhile, the transmission inner shaft is inserted into the transmission outer shaft through the transmission block, so that the transmission inner shaft can drive the cleaning ring piece at the end part to operate while the transmission outer shaft operates, the inner wall of the pipeline of the sampling pipe is cleaned and scraped, the detection accuracy of each sewage sampling is ensured, meanwhile, after the single sampling is finished, the hydraulic cylinder drives the sampling pipe to reset, the transmission inner shaft can drive the transmission block at the end part to be separated from the transmission groove, the transmission inner shaft is kept stationary when the transmission outer shaft rotates, the abrasion of the cleaning ring piece is reduced, and the use effect and the service life of equipment are improved;
s4, in the process that equipment is taking a sample, can stop debris such as floating leaves in sewage through the setting of filter plate, can drive the holding ring cover and the clearance brush board in the outside to clear up the filter plate when the outer operation of transmission simultaneously, take a sample through the device, can be through the clearance to the sampling tube, guarantee the detection accuracy of many times sewage sampling, simultaneously through the cooperation of components such as filter plate, clearance brush board, promoted the sampling effect of equipment.
S5, respectively conveying the samples taken out for multiple times to a water quality detection module, detecting components in the samples collected by the sampling module through the water quality detection module, and transmitting detection results to a terminal module through a transmission module.
Advantageous effects
The invention provides a sewage sampling self-cleaning device and a sampling method. Compared with the prior art, the method has the following beneficial effects:
(1) The sewage sampling self-cleaning device and the sampling method can realize automatic cleaning of the water intake pipeline, are simple and easy to operate, and have high cleaning speed, high efficiency and long service cycle. When sampling is carried out through the sampling assembly, the hydraulic cylinder is controlled to drive the sampling tube to move downwards through the locating rack to insert sewage, the transmission block fixedly installed at the end part of the transmission inner shaft can be inserted into the transmission groove, the transmission inner shaft can drive the cleaning ring piece at the end part to operate while the transmission outer shaft operates, the inner wall of a pipeline of the sampling tube is cleaned and scraped, the detection accuracy of sampling of sewage at each time is guaranteed, meanwhile, the hydraulic cylinder drives the sampling tube to reset after single sampling is finished, and the transmission block at the end part of the transmission inner shaft is driven to be separated from the transmission groove, so that the transmission inner shaft is kept stationary when the transmission outer shaft rotates.
(2) According to the self-cleaning device and the sampling method for sewage sampling, the cleaning effect of the filter plate can be effectively improved, the abrasion of the cleaning ring piece is reduced, and the use effect of water taking equipment and the sample detection accuracy are improved. When cleaning debris such as floating leaves attached to the surfaces of sewage and filter plates, debris such as floating leaves in sewage can be blocked through the setting of filter plates, and the outer locating ring sleeve and the cleaning brush plate can be driven to clean the filter plates simultaneously when the transmission outer shaft operates, so that the cleaning effect of the severe filter plates is guaranteed, and the detection precision is easily influenced by residues such as impurities when sewage sampling is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at point A;
FIG. 4 is a schematic cross-sectional view of a sampling tube according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of the present invention at point B;
FIG. 6 is a flow chart of the present invention.
In the figure: 1. a mounting ring; 101. a positioning groove; 102. a seal grommet; 2. positioning a sleeve; 201. connecting the bent pipe; 3. a pump body; 4. a sampling tube; 401. an elastic tube; 402. a filter plate; 5. a positioning frame; 6. an outer shaft is driven; 601. a transmission groove; 7. an arc-shaped blade; 8. a positioning plate; 801. a hydraulic cylinder; 9. a drive inner shaft; 901. cleaning the ring piece; 902. a transmission block; 10. a positioning ring sleeve; 1001. and cleaning the brush plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a sewage sampling self-cleaning device, including collar 1, there is positioning sleeve 2 in the middle part in the outside of collar 1 through threaded connection, one side tip fixed mounting of positioning sleeve 2 has joint return bend 201, the outside fixed mounting of positioning sleeve 2 has pump body 3, and the water inlet end of pump body 3 and the one end fixed connection of joint return bend 201, positioning groove 101 has all been seted up to the both sides of collar 1 symmetrically, and the inside fixed mounting of positioning groove 101 has seal gasket ring 102, the inside of positioning sleeve 2 is provided with the sample subassembly, the sample subassembly includes sampling tube 4, positioning frame 5 has been cup jointed in the outside fixed of sampling tube 4, and through positioning frame 5 slidable mounting in the inside of sampling tube 4, the middle part fixed mounting of sampling tube 4 has elastic tube 401, and the tip fixed mounting of sampling tube 4 has filter plate 402, the inside of the filter plate 402 is provided with a transmission inner shaft 9, one end of the transmission inner shaft 9 is fixedly sleeved with a cleaning ring piece 901, the longest sliding distance between the transmission inner shaft 9 and the cleaning ring piece 901 in the sampling tube 4 is the length of the sampling tube 4, so that the transmission inner shaft 9 can be driven to move when the sampling tube 4 moves downwards or upwards, the cleaning ring piece 901 is rotatably arranged in the inner central position of the filter plate 402 through the transmission inner shaft 9 and can slide relatively with the sampling tube 4, the other end of the transmission inner shaft 9 is fixedly provided with a transmission block 902, the inside of the mounting ring 1 is provided with a transmission assembly, the transmission assembly comprises a transmission outer shaft 6, the transmission outer shaft 6 is rotatably arranged in the mounting ring 1, the outer side of the transmission outer shaft 6 is fixedly sleeved with a plurality of arc-shaped blades 7, the mounting position of the transmission outer shaft 6 is the same as the circle center shaft of the transmission inner shaft 9, one end of the inside of the transmission outer shaft 6 is provided with a transmission groove 601, the transmission block 902 fixedly mounted at the end part of the transmission inner shaft 9 is in sliding connection with the transmission groove 601, the cleaning brush plates 1001 are fixedly mounted at the outer side of the transmission outer shaft 6, the cleaning brush plates 1001 are in a plurality of shapes, the cleaning brush plates 1001 are in a ring shape and are fixedly mounted at the end part to the positioning ring sleeve 10, the positioning ring sleeve 10 is fixedly sleeved on the outer side of the transmission outer shaft 6, the mounting positions of the cleaning brush plates 1001 are always parallel to the filter plate 402 fixedly mounted at the end part of the sampling tube 4, the positioning ring sleeve 10 is identical to the center shaft of the positioning sleeve 2, the positioning plate 8 is fixedly mounted at one side of the inner part of the positioning sleeve 2, the hydraulic cylinder 801 is fixedly mounted at the bottom of the positioning plate 8, and the end part of the hydraulic cylinder 801 is fixedly connected with one side of the top surface of the positioning frame 5.
The embodiment of the invention also discloses a working method of the sewage sampling self-cleaning device, which comprises the following steps:
s1, firstly, assembling a sampling module to a sewage discharge pipe through the matching of the mounting ring 1, positioning grooves 101 on two sides and bolts;
s2, during sampling, firstly, one end of a sampling tube 4 in the locating frame 5 at one side of the locating frame 5 is pushed to move downwards through the operation of the hydraulic cylinder 801, so that one end of the sampling tube 4 is inserted into sewage in the sewage discharge pipe while being stretched through the elastic tube 401, then a sample is extracted and transmitted to a water quality detection module through the opening of the pump body 3, and when the sampling tube 4 moves downwards, the transmission inner shaft 9 can be driven through the filter plate 402, so that a transmission block 902 at the end part of the sampling tube is inserted into the transmission groove 601;
s3, when sewage is discharged through the sewage pipe, the transmission outer shaft 6 which is rotatably installed can be driven to operate through the cooperation of the plurality of arc blades 7, meanwhile, the transmission block 902 is inserted into the transmission outer shaft 6, so that the transmission inner shaft 9 can drive the cleaning ring piece 901 at the end part to operate while the transmission outer shaft 6 operates, the inner wall of the pipeline of the sampling pipe 4 is cleaned and scraped, the detection accuracy of each sewage sampling is ensured, meanwhile, when the single sampling is finished, the hydraulic cylinder 801 drives the sampling pipe 4 to reset, the transmission block 902 at the end part of the transmission inner shaft 9 can be simultaneously separated from the transmission groove 601, the transmission inner shaft 9 is kept stationary when the transmission outer shaft 6 rotates, the abrasion of the cleaning ring piece 901 is reduced, the use effect and the service life of equipment are improved,
s4, in the process of sampling by the equipment, sundries such as floating leaves in sewage can be blocked through the setting of the filter plate 402, and meanwhile, when the transmission outer shaft 6 runs, the outer positioning ring sleeve 10 and the cleaning brush plate 1001 can be driven to clean the filter plate 402, so that the cleaning effect and the sampling effect of the filter plate 402 are guaranteed, and after components in the sample collected by the sampling module are detected through the water quality detection module, detection values are transmitted to the terminal module through the transmission module.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a sewage sampling is from cleaning device, includes collar (1), there is positioning sleeve (2) in the middle part in the outside of collar (1) through threaded connection, one side tip fixed mounting of positioning sleeve (2) has linking return bend (201), the outside fixed mounting of positioning sleeve (2) has pump body (3), and the water inlet end of pump body (3) and the one end fixed connection who links up return bend (201), its characterized in that: positioning grooves (101) are symmetrically formed in two sides of the mounting ring (1), sealing gasket rings (102) are fixedly arranged in the positioning grooves (101), and sampling assemblies are arranged in the positioning sleeve (2);
the sampling assembly comprises a sampling tube (4), a positioning frame (5) is fixedly sleeved on the outer side of the sampling tube (4), the sampling tube is slidably mounted in the sampling tube (4) through the positioning frame (5), an elastic tube (401) is fixedly mounted in the middle of the sampling tube (4), a filter plate (402) is fixedly mounted at the end of the sampling tube (4), a transmission inner shaft (9) is arranged in the filter plate (402), a cleaning ring piece (901) is fixedly sleeved at one end of the transmission inner shaft (9), the cleaning ring piece (901) is rotatably mounted in the center of the inside of the filter plate (402) through the transmission inner shaft (9) and can slide relatively with the sampling tube (4), a transmission block (902) is fixedly mounted at the other end of the transmission inner shaft (9), and a transmission assembly is arranged in the installation ring (1).
The transmission assembly comprises a transmission outer shaft (6), the transmission outer shaft (6) is rotatably installed in the mounting ring (1), a plurality of arc-shaped blades (7) are fixedly sleeved on the outer side of the transmission outer shaft (6), the installation position of the transmission outer shaft (6) is the same as that of a circle center shaft of the transmission inner shaft (9), a transmission groove (601) is formed in one end of the inner portion of the transmission outer shaft (6), a transmission block (902) fixedly installed at the end portion of the transmission inner shaft (9) is in sliding connection with the transmission groove (601), and a cleaning brush plate (1001) is fixedly installed on the outer side of the transmission outer shaft (6).
2. The wastewater sampling self-cleaning device according to claim 1, wherein: the cleaning brush plate (1001) is provided with a plurality of cleaning brush plates (1001) which are annular and are fixedly arranged at the end parts to the positioning ring sleeve (10), and the positioning ring sleeve (10) is fixedly sleeved on the outer side of the transmission outer shaft (6).
3. The wastewater sampling self-cleaning device according to claim 2, wherein: the installation positions of the cleaning brush plates (1001) are always parallel to the filter plates (402) fixedly installed at the end parts of the sampling tubes (4), and the center axes of the positioning ring sleeves (10) and the positioning sleeve (2) are the same.
4. A sewage sampling self-cleaning device according to claim 3, wherein: the positioning sleeve is characterized in that a positioning plate (8) is fixedly arranged on one side of the inside of the positioning sleeve (2), a hydraulic cylinder (801) is fixedly arranged at the bottom of the positioning plate (8), and the end part of the hydraulic cylinder (801) is fixedly connected with one side of the top surface of the positioning frame (5).
5. A method of operating a self-cleaning device for sampling contaminated water according to claim 4, comprising the steps of:
s1, firstly assembling the device to a sewage discharge pipe, and then connecting a pump body (3) to a detection module through a water pipe;
s2, in the sampling process, one end of a sampling tube (4) in the locating frame (5) at one side of the locating frame (5) is pushed to move downwards through the operation of a hydraulic cylinder (801), so that one end of the sampling tube (4) is inserted into the sewage of the sewage discharge pipe while being stretched through the elastic tube (401), then a sample is extracted and transmitted to a water quality detection module through the opening of a pump body (3), and when the sampling tube (4) moves downwards, a transmission inner shaft (9) is driven through a filter plate (402), so that a transmission block (902) at the end of the sampling tube is inserted into a transmission groove (601);
s3, when sewage is discharged through a sewage pipe, the transmission outer shaft (6) which is rotatably installed can be driven to operate through the cooperation of the plurality of arc-shaped blades (7), meanwhile, the transmission outer shaft (6) can be inserted into the transmission outer shaft through the transmission block (902), the transmission inner shaft (9) can drive the cleaning ring piece (901) at the end part to operate while the transmission outer shaft (6) operates, the inner wall of a pipeline of the sampling pipe (4) is cleaned and scraped, the detection accuracy of each sewage sampling is guaranteed, meanwhile, after the single sampling is finished, the hydraulic cylinder (801) drives the sampling pipe (4) to reset, the transmission inner shaft (9) can be simultaneously enabled to drive the transmission block (902) at the end part to be separated from the transmission groove (601), the transmission inner shaft (9) is kept stationary when the transmission outer shaft (6) rotates, and the abrasion of the cleaning ring piece (901) is reduced;
s4, in the process of sampling equipment, sundries such as floating leaves in sewage can be blocked through the arrangement of the filter plate (402), and meanwhile, when the transmission outer shaft (6) runs, the outer positioning ring sleeve (10) and the cleaning brush plate (1001) can be driven to clean the filter plate (402);
s5, respectively conveying the samples taken out for multiple times to a water quality detection module, detecting components in the samples collected by the sampling module through the water quality detection module, and transmitting detection results to a terminal module through a transmission module.
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CN202210818095.2A CN115301642B (en) | 2022-07-12 | 2022-07-12 | Sewage sampling self-cleaning device and sampling method |
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CN202210818095.2A CN115301642B (en) | 2022-07-12 | 2022-07-12 | Sewage sampling self-cleaning device and sampling method |
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CN115301642B true CN115301642B (en) | 2023-12-22 |
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