CN117848777B - Municipal wastewater quality sampling device and online monitoring system - Google Patents
Municipal wastewater quality sampling device and online monitoring system Download PDFInfo
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- CN117848777B CN117848777B CN202410258013.2A CN202410258013A CN117848777B CN 117848777 B CN117848777 B CN 117848777B CN 202410258013 A CN202410258013 A CN 202410258013A CN 117848777 B CN117848777 B CN 117848777B
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- sealing
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- 238000005070 sampling Methods 0.000 title claims abstract description 159
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 239000010841 municipal wastewater Substances 0.000 title claims description 15
- 238000007789 sealing Methods 0.000 claims abstract description 73
- 238000002955 isolation Methods 0.000 claims abstract description 68
- 239000010865 sewage Substances 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 13
- 239000012535 impurity Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- -1 turbidity Chemical compound 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 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
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution 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 invention belongs to the technical field of water quality sampling, and particularly relates to a municipal sewage water quality sampling device and an online monitoring system. According to the invention, when the sampling depth is regulated, the depth regulating part is regulated, the distance of the depth regulating part triggering the sealing part is changed, the driving part is started to drive the moving part to operate, so that the sampling pipe moves in the porous isolation pipe, when the depth regulating part triggers the sealing part, liquid enters the sampling pipe, the sampling depth can be accurately regulated and controlled according to the sampling requirement, the sampling result is comprehensive, the operation position of the triggering sealing part is ensured to be in a stable state through the cooperation of the friction part and the depth regulating part, the stability of the sampling depth is ensured, and after the sampling, the cleaning part is used for cleaning the porous isolation pipe, so that the sewage inside the protective cover frame can normally enter the porous isolation pipe.
Description
Technical Field
The invention belongs to the technical field of water quality sampling, and particularly relates to a municipal wastewater water quality sampling device and an online monitoring system.
Background
Municipal sewage treatment systems are an important component of urban infrastructure, aiming at removing harmful substances in urban sewage to protect the environment, prevent water pollution and maintain public health. Municipal wastewater treatment not only requires an efficient treatment process, but also requires real-time monitoring and control to ensure that the discharged water quality reaches the standard.
Traditional municipal wastewater quality monitoring typically relies on periodic sampling and laboratory analysis, which has significant delays and shortcomings. Because the monitoring result can be obtained in a time, the real-time response to the water quality problem is difficult. In addition, sampling points are usually limited and cannot fully reflect the water quality of the municipal sewage system.
With advances in science and technology, a range of online water quality monitoring technologies including sensors, instrumentation, and automation systems have emerged. The techniques can monitor water quality parameters such as pH, dissolved oxygen, turbidity, ammonia nitrogen, total phosphorus, etc., and various pollutants such as heavy metals, organics and microorganisms in real time. The monitoring systems can rapidly detect water quality problems, so that a sewage treatment plant can take measures in time.
The utility model discloses a sewage sampling device, like chinese patent publication No. CN115655798a, through placing pipeline and sampling head in sewage and sampling, like chinese patent publication No. CN109883764A again, disclosed an on-line monitoring water quality sampling system of sewage treatment plant, set up the floater below the bracket, its floater supports sampling device and floats on the surface of water, guarantees that its sampling device and the height of cone mouth of pipe are almost fixed on a take off the surface of water height simultaneously, guarantees that the water sample of gathering is the water of fixed depth under the surface of water promptly, and can not change along with the change of water level.
At present, the contents of impurities with different depths are different due to precipitation, so that sampling at different depths is also necessary, and although part of sampling equipment can collect sewage from different depths, the sampling equipment is easy to be blocked due to higher contents of large-particle impurities and the like in the sewage, and sample deviation is larger due to blocking and the like in the sampling process.
Disclosure of Invention
The invention aims to provide a municipal sewage water quality sampling device which can accurately regulate and control the sampling depth according to the sampling requirement, so that the sampling limitation is reduced, and meanwhile, sampling equipment is cleaned during sampling to ensure smooth sampling of sewage.
The technical scheme adopted by the invention is as follows:
a municipal wastewater quality sampling device, comprising:
the lower end of the protective cover frame is provided with a porous isolation pipe;
the driving part is arranged in the protective cover frame, the movable part is arranged in the porous isolation tube and positioned in the protective cover frame, the driving part is connected with the movable part, and the sampling tube is arranged in the porous isolation tube and positioned outside the movable part;
the detection device is used for extracting and detecting the sample in the sampling tube;
the depth adjusting part is arranged in the protective cover frame and penetrates through the sampling tube, and a sealing part is arranged in the sampling tube and near the depth adjusting part;
The depth adjusting part is adjusted, the distance of the depth adjusting part triggering the sealing part is changed, the driving part is started to drive the moving part to operate, the sampling pipe moves in the porous isolation pipe, and liquid sampling is carried out when the depth adjusting part triggering the sealing part.
In a preferred embodiment, the driving part includes a motor, a support is mounted at a lower end of the motor, the support is mounted inside the protective cover frame, and a bevel gear a is fixed to an output of the motor.
In a preferred scheme, the support piece comprises an iron seat, the iron seat is fixed at the lower end of the motor, a plurality of support rods are fixed at the lower end of the iron seat, the support rods are connected with the protection cover frame in a sliding mode, springs are arranged on the outer sides of the support rods and between the iron seat and the protection cover frame, and electromagnets are fixed in the protection cover frame and below the iron seat.
In a preferred scheme, install the cleaning member on the porous isolation tube, the cleaning member includes bevel gear c, bevel gear c rotates the inside of connecting at the protection cover frame, bevel gear c and porous isolation tube fixed connection, the lower extreme of protection cover frame and be close to the position department of porous isolation tube and be fixed with the cleaning brush.
In a preferred scheme, the movable part comprises a screw rod, the screw rod is rotationally connected in the porous isolation tube, a bevel gear b is fixed at the upper end of the screw rod, the bevel gear b is in meshed connection with the bevel gear a, the screw rod is in threaded connection with the sampling tube, a sliding rod is rotationally connected in the porous isolation tube, the sliding rod is fixedly connected with the protective cover frame, and the sliding rod is in sliding connection with the sampling tube.
In a preferred scheme, the degree of depth adjustment portion includes the gear area, the inside meshing of gear area is connected with two spur gears a, spur gear a of the inside lower extreme in gear area is connected with the lower extreme rotation of slide bar, one side of spur gear a of the inside upper end in gear area is fixed with the dwang, the dwang rotates with the protective cover frame to be connected, the gear area runs through the sampling pipe, be fixed with the dog on the gear area, just the dog is located the lower part of sampling pipe, the actuating source is installed to the one end that the gear area was kept away from to the dwang.
In a preferred embodiment, the surface of the gear belt is provided with graduation marks.
In a preferred scheme, the friction piece is installed in the outside of dwang, the friction piece includes spur gear b, spur gear b fixes in the outside of dwang and is close to the position department of protective cover frame, spur gear b's top is provided with the rubber block, the upper end of rubber block is fixed with the connecting rod, connecting rod and protective cover frame sliding connection, the outside of connecting rod just is provided with pressure spring a between rubber block and the protective cover frame.
In a preferred scheme, the sealing part comprises a sealing rod, the sealing rod is slidably connected in the sampling tube and is located above the stop block, a sealing block is fixed at the upper end of the sealing rod, and a pressure spring b is arranged on the outer side of the sealing rod and located in the sampling tube.
The second object of the invention is to provide an on-line municipal wastewater quality monitoring system, which is used for the municipal wastewater quality sampling device and comprises a monitoring module, wherein the monitoring module is integrated with the inside of the detection device and is used for monitoring the wastewater sampled by the sampling tube.
The invention has the technical effects that:
according to the invention, when the sampling depth is regulated, the depth regulating part is regulated, the distance of the depth regulating part triggering the sealing part is changed, the driving part is started to drive the moving part to operate, so that the sampling pipe moves in the porous isolation pipe, when the depth regulating part triggers the sealing part, the sealing part cancels the sealing of the sampling pipe, impurities are isolated outside the porous isolation pipe through the porous isolation pipe arranged in the sewage, the sewage enters the inside of the porous isolation pipe through the holes of the porous isolation pipe, the sewage enters the inside of the sampling pipe, the sampling depth can be accurately regulated and controlled according to the sampling requirement, the sampling limitation is reduced, the sampling result comprehensiveness is improved, and the sampling accuracy is ensured;
After sampling, the supporting piece is started to drive the driving part to move downwards and match with the cleaning piece, the driving part is started to drive the cleaning piece to operate, the porous isolation pipe rotates to generate centrifugal force, the porous isolation pipe is cleaned through the cleaning piece, impurities attached to the porous isolation pipe are separated from the porous isolation pipe, the separated impurities can be reduced through the centrifugal force and attached to the porous isolation pipe again, the sewage can be guaranteed to normally enter the inside of the porous isolation pipe, and the accuracy of sampling at different depths is improved;
According to the invention, when the sampling depth is adjusted, the friction piece is matched with the depth adjusting part, so that the running resistance of the depth adjusting part can be increased, the depth adjusting part can be prevented from running easily, when the depth adjusting part runs, the running of the depth adjusting part is limited by the friction piece, the running position of the trigger sealing part is ensured to be in a stable state, the position of the trigger sealing part cannot deviate, the position of the trigger sealing part of the depth adjusting part cannot be changed, and the stability of the sampling depth is further ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the porous spacer tube, the driving part, the moving part, the depth adjusting part, the friction member, the supporting member and the cleaning member of the present invention;
FIG. 3 is a perspective view of the porous spacer tube, drive section, moving section, depth adjustment section, friction member, support member and cleaning member of the present invention;
FIG. 4 is a schematic view of the structure of the driving part and the moving part of the present invention;
FIG. 5 is a schematic view of the structure of the support of the present invention;
FIG. 6 is a schematic view of the structure of the cleaning member of the present invention;
FIG. 7 is a schematic view of the structure of the depth adjustment portion and friction member of the present invention;
FIG. 8 is an enlarged view of the invention at A in FIG. 7;
FIG. 9 is a schematic view of the structure of the interior of a sampling tube of the present invention;
Fig. 10 is a cross-sectional view of the application of the present invention to a sewage treatment tank.
In the drawings, the names of the components represented by the reference numerals are as follows:
1. A protective cover frame; 2. a detection device; 3. a sampling tube; 4. a porous isolation tube;
10. A driving section; 11. a motor; 12. bevel gear a;
20. a moving part; 21. a screw; 22. bevel gear b; 23. a slide bar;
30. A depth adjusting section; 31. a rotating lever; 32. spur gear a; 33. a gear belt; 34. a stop block; 35. a driving source;
40. a friction member; 41. spur gear b; 42. a rubber block; 43. a connecting rod; 44. pressure spring a
50. A sealing part; 51. a sealing rod; 52. a sealing block; 53. a compression spring b;
60. A support; 61. an iron base; 62. a support rod; 63. a spring; 64. an electromagnet;
70. a cleaning member; 71. bevel gear c; 72. a cleaning brush.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one preferred embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Referring to fig. 1 to 10, there is provided a municipal sewage water sampling device, which comprises a protective cover frame 1, a detection device 2, a driving part 10 and a depth adjusting part 30, wherein a porous isolation tube 4 is installed at the lower end of the protective cover frame 1, the driving part 10 is installed inside the protective cover frame 1, a moving part 20 is installed inside the porous isolation tube 4 and inside the protective cover frame 1, the driving part 10 is connected with the moving part 20, a sampling tube 3 is arranged inside the porous isolation tube 4 and outside the moving part 20, the detection device 2 is used for extracting and detecting a sample in the sampling tube 3, the depth adjusting part 30 is installed inside the protective cover frame 1 and penetrates through the sampling tube 3, and a sealing part 50 is installed inside the sampling tube 3 and at a position close to the depth adjusting part 30;
wherein, adjust the degree of depth adjustment portion 30, change the degree of depth adjustment portion 30 and trigger the distance of sealing portion 50, start drive portion 10 and drive the moving part 20 operation for sampling pipe 3 removes in porous isolation tube 4's inside, carries out liquid sampling when the degree of depth adjustment portion 30 triggers sealing portion 50.
Specifically, the porous isolation tube 4 is arranged in the sewage to be sampled, or impurities are isolated outside the porous isolation tube 4, so that the sewage enters the porous isolation tube 4 through holes, when the sampling depth is adjusted, the depth adjusting part 30 is adjusted, the distance of the depth adjusting part 30 triggering the sealing part 50 is changed, the driving part 10 is started to drive the moving part 20 to move, so that the sampling tube 3 moves in the porous isolation tube 4, when the depth adjusting part 30 triggers the sealing part 50, the sealing part 50 cancels the sealing of the sampling tube 3, so that the sewage enters the sampling tube 3, and the sewage is collected and sampled.
In a preferred embodiment, referring to fig. 2 to 4, the driving part 10 includes a motor 11, a support 60 is installed at a lower end of the motor 11, the support 60 is installed inside the protective cover frame 1, and a bevel gear a12 is fixed to an output of the motor 11.
The moving part 20 includes a screw 21, the screw 21 is rotatably connected to the inside of the porous isolation tube 4, a bevel gear b22 is fixed to the upper end of the screw 21, the bevel gear b22 is engaged with the bevel gear a12, the screw 21 is in threaded connection with the sampling tube 3, a slide bar 23 is rotatably connected to the inside of the porous isolation tube 4, the slide bar 23 is fixedly connected to the protective cover frame 1, and the slide bar 23 is slidably connected to the sampling tube 3.
In this embodiment, during sampling, the starting motor 11 drives the bevel gear a12 to rotate in a following manner, so that the bevel gear a12 drives the bevel gear b22 to rotate, and then the screw 21 rotates in a following manner, and the sampling tube 3 is in sliding connection with the slide rod 23 due to the threaded connection of the sampling tube 3 and the screw 21, so that the sampling tube 3 moves outside the screw 21, and the sampling tube 3 moves downwards to a specified depth for sampling.
Next, referring to fig. 2, 7 and 8 again, the depth adjusting part 30 includes a gear belt 33, two spur gears a32 are engaged and connected in the gear belt 33, the spur gear a32 at the lower end of the inner portion of the gear belt 33 is rotatably connected with the lower end of the slide bar 23, a rotating rod 31 is fixed at one side of the spur gear a32 at the upper end of the inner portion of the gear belt 33, the rotating rod 31 is rotatably connected with the protective cover 1, the gear belt 33 penetrates through the sampling tube 3, a stop block 34 is fixed on the gear belt 33, the stop block 34 is located at the lower portion of the sampling tube 3, and a driving source 35 is installed at one end of the rotating rod 31 far from the gear belt 33.
The surface of the gear belt 33 is provided with graduation marks, so that the depth of the stop block 34 can be identified by observing the graduation marks on the gear belt 33, so that the sampling depth can be observed conveniently and intuitively, and the position, close to the gear belt 33, on the protective cover frame 1 is made of transparent materials and is used for observing the graduation marks on the gear belt 33.
It should be noted that the driving source 35 may be a handle, the handle is mounted at one end of the rotating rod 31 far away from the gear belt 33, and the handle is manually rotated to drive the gear belt 33 to run, so that the position of the stop block 34 is changed, the driving source 35 may also be a motor, the motor is fixed on the protective cover frame 1 through a mounting plate, wherein a coupling is provided corresponding to an output shaft of the motor, the motor is connected with the rotating rod 31 through the coupling, a rotary encoder is further provided for sensing a rotation state of the motor, and an angular displacement amount of the rotary encoder is identified by counting pulse signals, so that a rotation distance of the motor is determined, and a depth of the stop block 34 is identified in a feedback manner.
In this embodiment, when the sampling depth is adjusted, the driving source 35 drives the rotating rod 31 to rotate, so that the spur gear a32 at the upper end inside the gear belt 33 rotates, and the gear belt 33 moves, and the depth of the inside of the sewage to be sampled at the stop block 34 is changed, or the depth of the inside of the sewage treatment tank is changed, when the sampling tube 3 moves downwards and contacts the sealing part 50, the sealing part 50 is triggered, the sealing part 50 is enabled to cancel the sealing of the sampling tube 3, the sewage enters the inside of the sampling tube 3 to be sampled and collected, and the sealing part 50 is triggered to operate according to different positions of the stop block 34 to perform sampling and collection.
Still further, referring to fig. 2, 7 and 8 again, the friction member 40 is mounted on the outer side of the rotating rod 31, the friction member 40 includes a spur gear b41, the spur gear b41 is fixed on the outer side of the rotating rod 31 and near the position of the protective cover frame 1, a rubber block 42 is disposed above the spur gear b41, a connecting rod 43 is fixed on the upper end of the rubber block 42, the connecting rod 43 is slidably connected with the protective cover frame 1, and a compression spring a44 is disposed between the rubber block 42 and the protective cover frame 1 on the outer side of the connecting rod 43.
In this embodiment, when the depth of the stopper 34 is adjusted, the driving source 35 drives the rotation rod 31 to rotate, so that the spur gear b41 moves along, the compression spring a44 generates a downward thrust to the rubber block 42, so that the rubber block 42 contacts with the spur gear b41, friction force between the spur gear b41 and the rubber block 42 is increased, the rotation speed of the rotation rod 31 can be slowed down, the situation that the gear belt 33 is in a static state after the position of the stopper 34 is adjusted is avoided, the gear belt 33 moves due to the limitation of the spur gear b41 by the rubber block 42, the position where the trigger seal part 50 operates is ensured to be in a stable state, and the stability of the sampling depth is improved.
Referring to fig. 2, 7 and 9, the sealing portion 50 includes a sealing rod 51, the sealing rod 51 is slidably connected inside the sampling tube 3 and above the stopper 34, a sealing block 52 is fixed at an upper end of the sealing rod 51, and a compression spring b53 is disposed outside the sealing rod 51 and inside the sampling tube 3.
It should be noted that, the through hole is formed in the position of the sampling tube 3, which is close to the sealing block 52, so that the sewage enters the sampling tube 3 through the through hole for sampling, when the sealing block 52 contacts with the sampling tube 3, the sealing block 52 seals the through hole on the sampling tube 3, and when the sealing block 52 is far away from the sampling tube 3, the sealing block 52 cancels the sealing of the through hole on the sampling tube 3, so that the sewage can conveniently enter the sampling tube 3.
In this embodiment, during sampling, the sampling tube 3 drives the sealing rod 51 to move downwards and approach the stop block 34, when the sealing rod 51 moves downwards and contacts the stop block 34, the sealing rod 51 moves upwards in the sampling tube 3, the pressure spring b53 is stressed and compressed, the sealing block 52 is enabled to cancel sealing of the sampling tube 3, sewage enters the sampling tube 3 to be sampled and collected, after the sampling tube 3 moves upwards, the stop block 34 cancels pushing of the sealing rod 51, the sealing rod 51 moves downwards in the sampling tube 3 through the elastic force of the pressure spring b53, the sampling tube 3 is sealed through the sealing block 52, and the sewage at the rest height is prevented from entering the sampling tube 3 during moving the sampling tube 3, so that sampling accuracy is ensured.
Referring to fig. 2, 4, 5 and 6, the supporting member 60 includes an iron base 61, the iron base 61 is fixed at the lower end of the motor 11, a plurality of supporting rods 62 are fixed at the lower end of the iron base 61, the supporting rods 62 are slidably connected with the protecting cover frame 1, a spring 63 is disposed between the iron base 61 and the protecting cover frame 1 outside the supporting rods 62, and an electromagnet 64 is fixed inside the protecting cover frame 1 and below the iron base 61.
It should be noted that, the sampling interface of the detecting device 2 is fixed on one side of the iron seat 61, and the sampling interface of the detecting device 2 stretches into the inside of the porous isolation tube 4, a rubber sealing port is arranged on the sampling tube 3, the sampling interface is attracted by the electromagnet 64 to move downwards through the iron seat 61, so that the sampling interface is close to the rubber sealing port of the sampling tube 3, the sampling interface is inserted into the rubber sealing port to extract and monitor sewage, the control stop block 34 is close to the sealing part 50, the sealing part 50 is triggered, the sewage inside the sampling tube 3 is discharged, and the cleaning is performed by injecting clean water into the sampling tube 3 through the detecting device 2, so that the sampling accuracy of the next time is improved.
It should be noted that the cleaning member 70 is installed on the porous isolation tube 4, the cleaning member 70 includes a bevel gear c71, the bevel gear c71 is rotationally connected in the interior of the protection cover frame 1, the bevel gear c71 is fixedly connected with the porous isolation tube 4, a cleaning brush 72 is fixed at the lower end of the protection cover frame 1 and near the position of the porous isolation tube 4, after sampling, the supporting member 60 is started, the driving part 10 is driven to move downwards and is matched with the bevel gear c71, the driving part 10 is started to drive the bevel gear c71 to rotate, so that the porous isolation tube 4 rotates along with the rotation, centrifugal force is generated by the rotation of the porous isolation tube 4, the porous isolation tube 4 is cleaned through the cleaning brush 72, impurities attached to the porous isolation tube 4 are separated from the porous isolation tube 4, the separated impurities can be reduced through the centrifugal force and are attached to the porous isolation tube 4 again, sewage can be guaranteed to enter the interior of the porous isolation tube 4 normally, the sewage with different depths can be guaranteed to enter the interior of the porous isolation tube 4 through holes on the porous isolation tube 4, and the accuracy of sampling with different depths is improved.
In this embodiment, after sampling, the electromagnet 64 is started to generate attractive force, the iron seat 61 is attracted to move downwards, so that the spring 63 is stressed and compressed, the motor 11 is driven to move downwards, the motor 11 is separated from the bevel gear b22, the motor 11 is close to and meshed with the bevel gear c71, the motor 11 is started to drive the bevel gear a12 to rotate, the bevel gear c71 rotates along with the rotation, centrifugal force is generated by the rotation of the porous isolation tube 4, the porous isolation tube 4 is cleaned through the cleaning brush 72, and impurities attached to the porous isolation tube 4 are separated from the porous isolation tube 4, so that sewage with various depths can normally enter the porous isolation tube 4.
The invention also discloses an on-line municipal wastewater quality monitoring system which is used for the municipal wastewater quality sampling device and comprises a monitoring module, wherein the monitoring module is integrated in the detection device 2 and is used for monitoring the wastewater sampled by the sampling tube 3.
Specifically, the monitoring module comprises a sensor, an instrument and an automatic system, and the devices are matched with each other to monitor and sample water quality parameters such as pH, dissolved oxygen, turbidity, ammonia nitrogen, total phosphorus and the like in real time, and various pollutants such as heavy metals, organic matters and microorganisms, so that the monitoring system can rapidly detect water quality problems, and a sewage treatment plant can take measures in time.
The working principle of the invention is as follows: the porous isolation tube 4 is arranged in the sewage to be sampled, or impurities are isolated outside the porous isolation tube 4, so that the sewage enters the porous isolation tube 4 through holes, when the sampling depth is adjusted, the depth adjusting part 30 is adjusted, the distance of the depth adjusting part 30 triggering the sealing part 50 is changed, the driving part 10 is started to drive the moving part 20 to move, so that the sampling tube 3 moves in the porous isolation tube 4, when the depth adjusting part 30 triggers the sealing part 50, the sealing part 50 cancels the sealing of the sampling tube 3, so that the sewage enters the sampling tube 3, the sampling depth can be accurately adjusted according to the sampling requirement, the limitation of sampling is reduced, the comprehensiveness of the sampling result is increased, the sampling accuracy is guaranteed, the matching of the friction piece 40 and the depth adjusting part 30 can prevent the operation position of the depth adjusting part 30 from changing after the depth adjusting part 30 is adjusted, the depth adjusting part 30 triggers the sealing part 50 to operate, the stability of the sampling depth is guaranteed, after sampling, the supporting piece 60 is started, the driving part 10 is driven to move downwards and matched with the cleaning piece 70, the driving part 10 is started to drive the cleaning piece 70 to operate, the porous isolation pipe 4 is enabled to rotate to generate centrifugal force, the cleaning piece 70 is enabled to clean the porous isolation pipe 4, sewage can be guaranteed to normally enter the inside of the porous isolation pipe 4, and the accuracy of sampling different depths is improved.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (7)
1. Municipal wastewater quality sampling device, characterized by comprising:
the protective cover comprises a protective cover frame (1), wherein a porous isolation pipe (4) is arranged at the lower end of the protective cover frame (1);
The driving part (10), the driving part (10) is installed inside the protective cover frame (1), the moving part (20) is installed inside the porous isolation tube (4) and positioned inside the protective cover frame (1), the driving part (10) is connected with the moving part (20), and the sampling tube (3) is arranged inside the porous isolation tube (4) and positioned outside the moving part (20);
a detection device (2), wherein the detection device (2) is used for extracting and detecting a sample in the sampling tube (3);
a depth adjusting part (30), wherein the depth adjusting part (30) is arranged inside the protective cover frame (1) and penetrates through the sampling tube (3), and a sealing part (50) is arranged inside the sampling tube (3) and at a position close to the depth adjusting part (30);
The depth adjusting part (30) is adjusted, the distance of the depth adjusting part (30) triggering the sealing part (50) is changed, the driving part (10) is started to drive the moving part (20) to operate, the sampling tube (3) moves in the porous isolation tube (4), and liquid sampling is carried out when the depth adjusting part (30) triggers the sealing part (50);
The driving part (10) comprises a motor (11), a supporting piece (60) is arranged at the lower end of the motor (11), the supporting piece (60) is arranged in the protective cover frame (1), and a bevel gear a (12) is fixed at the output of the motor (11);
the movable part (20) comprises a screw (21), the screw (21) is rotationally connected to the inside of the porous isolation tube (4), a bevel gear b (22) is fixed at the upper end of the screw (21), the bevel gear b (22) is in meshed connection with a bevel gear a (12), the screw (21) is in threaded connection with the sampling tube (3), a sliding rod (23) is rotationally connected to the inside of the porous isolation tube (4), the sliding rod (23) is fixedly connected with the protective cover frame (1), and the sliding rod (23) is in sliding connection with the sampling tube (3);
The depth adjusting part (30) comprises a gear belt (33), two spur gears a (32) are connected with the gear belt (33) in a meshed mode, the spur gears a (32) at the lower end of the inner portion of the gear belt (33) are rotationally connected with the lower end of the sliding rod (23), a rotating rod (31) is fixed to one side of the spur gears a (32) at the upper end of the gear belt (33), the rotating rod (31) is rotationally connected with the protective cover frame (1), the gear belt (33) penetrates through the sampling tube (3), a stop block (34) is fixed to the gear belt (33), the stop block (34) is located at the lower portion of the sampling tube (3), and a driving source (35) is installed at one end, far away from the gear belt (33), of the rotating rod (31).
2. The municipal wastewater water sampling device according to claim 1, wherein the supporting piece (60) comprises an iron seat (61), the iron seat (61) is fixed at the lower end of the motor (11), a plurality of supporting rods (62) are fixed at the lower end of the iron seat (61), the supporting rods (62) are slidably connected with the protective cover frame (1), springs (63) are arranged on the outer sides of the supporting rods (62) and between the iron seat (61) and the protective cover frame (1), and electromagnets (64) are fixed inside the protective cover frame (1) and below the iron seat (61).
3. The municipal sewage water sampling device according to claim 1, wherein the porous isolation tube (4) is provided with a cleaning piece (70), the cleaning piece (70) comprises a bevel gear c (71), the bevel gear c (71) is rotationally connected inside the protective cover frame (1), the bevel gear c (71) is fixedly connected with the porous isolation tube (4), and a cleaning brush (72) is fixed at the lower end of the protective cover frame (1) and at a position close to the porous isolation tube (4).
4. The municipal sewage water sampling device according to claim 1, wherein the surface of the gear belt (33) is provided with graduation marks.
5. The municipal wastewater water sampling device according to claim 1, wherein the friction piece (40) is installed on the outer side of the rotating rod (31), the friction piece (40) comprises a spur gear b (41), the spur gear b (41) is fixed on the outer side of the rotating rod (31) and is close to the position of the protection cover frame (1), a rubber block (42) is arranged above the spur gear b (41), a connecting rod (43) is fixed at the upper end of the rubber block (42), the connecting rod (43) is in sliding connection with the protection cover frame (1), and a pressure spring a (44) is arranged between the rubber block (42) and the protection cover frame (1) on the outer side of the connecting rod (43).
6. The municipal sewage water sampling device according to claim 1, wherein the sealing part (50) comprises a sealing rod (51), the sealing rod (51) is slidably connected inside the sampling tube (3) and located above the stop block (34), a sealing block (52) is fixed at the upper end of the sealing rod (51), and a compression spring b (53) is arranged outside the sealing rod (51) and located inside the sampling tube (3).
7. An on-line municipal wastewater quality monitoring system adopting the municipal wastewater quality sampling device according to any one of claims 1 to 6, comprising a monitoring module, wherein the monitoring module is integrated with the inside of the detection device (2) and is used for monitoring the wastewater sampled by the sampling tube (3).
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| CN117848777A (en) | 2024-04-09 |
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