CN210400942U - Sampling device that municipal administration sewage treatment used - Google Patents
Sampling device that municipal administration sewage treatment used Download PDFInfo
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- CN210400942U CN210400942U CN201921295745.XU CN201921295745U CN210400942U CN 210400942 U CN210400942 U CN 210400942U CN 201921295745 U CN201921295745 U CN 201921295745U CN 210400942 U CN210400942 U CN 210400942U
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Abstract
The utility model relates to a sampling device field provides a sampling device that municipal administration sewage treatment used to the problem that causes inconvenient operation because of debris jam, and this technical scheme is as follows: the water pumping device comprises a water pumping barrel, wherein a spiral groove is formed in the inner wall of the water pumping barrel in a sunken mode, the helix angle of the spiral groove is larger than the friction angle, a rigid piston perpendicular to the axis of the water pumping barrel is arranged in the water pumping barrel, the rigid piston is fixedly connected with a spiral strip, the spiral strip is located in the spiral groove to slide so that the rigid piston is in threaded connection with the water pumping barrel, a lifting ring is rotatably connected onto the rigid piston, a piston rod is fixedly connected onto the lifting ring, a filter cylinder wrapping the opening of a water pumping pipe is rotatably connected to the opening end of the water pumping barrel; through the filter separation of the filter cylinder, sewage pumped into the water pumping cylinder is separated from impurities such as soil and fallen leaves, the treatment work of the sewage pumped into the water pumping pipe before detection is reduced, and the operation is more convenient during sewage detection.
Description
Technical Field
The utility model belongs to the technical field of the sampling device and specifically relates to a sampling device that municipal administration sewage treatment used is related to.
Background
In current environmental protection management, need regularly to sample in order to detect sewage whether exceed standard, then take corresponding measure to solve the sewage problem again, when gathering sewage, use sampling device as the sampling bucket usually, pour into the sampling bottle again after getting the sewage with the sampling bucket, accomplish the sampling process promptly.
However, in the process of taking sewage, impurities such as soil and fallen leaves often enter the sampling barrel, the detection result is affected when the sewage doped with a large amount of impurities such as soil and fallen leaves is detected, the sewage needs to be filtered first to be detected, and the operation steps are complex, so that the improved space is provided.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a sampling device that municipal administration sewage treatment used has the comparatively convenient advantage of operation.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a sampling device that municipal administration sewage treatment used, includes that cavity cylindric and one end open-ended draw water a section of thick bamboo, the inner wall of a section of thick bamboo that draws water is sunken to have along the helicla flute that draws water a section of thick bamboo axis direction and extend, the helix angle of helicla flute is greater than the friction angle, be equipped with the rigid piston that the perpendicular to drawn water a section of thick bamboo axis in drawing water a section of thick bamboo, fixedly connected with spiral strip on the rigid piston lateral wall, the spiral strip is located and slides in the helicla flute so that the rigid piston with draw water a section of thick bamboo threaded connection, rotate on the rigid piston and be connected with the lift ring, lift ring fixedly connected with extends and runs through the drinking-water pipe along a section of thick bamboo axial direction that draws water and keeps away from the open end in order to stretch out.
By adopting the technical scheme, the sewage pumped into the water pumping cylinder is separated from impurities such as soil and fallen leaves through the filter cylinder for separation filtration, so that the treatment work of the sewage pumped into the water pumping pipe before detection is reduced, and the operation is more convenient during sewage detection;
the piston rod is lifted to enable the piston rod to generate relative displacement relative to the water pumping cylinder so as to drive the lifting ring to generate displacement, the lifting ring is fixedly connected to the piston rod and is rotationally connected to the rigid piston, when the lifting ring generates displacement, a spiral groove extending along the axial direction of the water pumping cylinder is sunken on the inner wall of the water pumping cylinder, the helix angle of the spiral groove is larger than the friction angle of the spiral groove (the friction angle is arctan (mu) mu is a friction coefficient, and mu is related to the material of the spiral groove), the rigid piston generates self-rotation in the process of sliding along the axial direction of the water pumping cylinder, the filter cylinder is driven by the transmission device to rotate along with the rigid piston, when the rigid piston rotates, the rigid piston drives the filter cylinder to rotate, and impurities such as soil, fallen leaves and the like adhered to the wall of the filter cylinder are separated towards the direction away from the central, the situation that sundries block the water pumping barrel is reduced, and therefore the water pumping operation is convenient.
The utility model discloses further set up to: the helix angle of the spiral groove is 15-60 degrees.
By adopting the technical scheme, the helix angle of the spiral groove is 15-60 degrees, when the opening end of the piston rod far away from the water pumping pipe extends out of the water pumping cylinder, the piston rod drives the lifting ring to move along the piston rod, so that the rigid piston can better rotate along the axis direction of the water pumping cylinder and towards the end part of the water pumping pipe far away from the opening end, and the condition that the rigid piston cannot rotate due to the matching of the spiral groove and the spiral strip is reduced.
The utility model discloses further set up to: the end, facing the rigid piston, of the lifting ring is fixedly connected with a dovetail block, one end, facing the lifting ring, of the rigid piston is provided with a dovetail groove which is communicated in the circumferential direction of the rigid piston in an end-to-end mode, and the dovetail block is located in the dovetail groove and slides along the dovetail groove.
By adopting the technical scheme, the dovetail block slides in the dovetail groove, so that the connection stability of the lifting ring and the rigid piston along the axis direction of the water pumping cylinder is higher, and the condition that the lifting ring is separated from the rigid piston is reduced.
The utility model discloses further set up to: the utility model discloses a pump, including the pump, the pump is connected to the pump, drive device keeps away from the transfer line of the tip of open end including rotating, the transfer line runs through the rigid piston, the axis of rotation of transfer line and the axis of rotation coincidence of rigid piston, the transfer line is personally submitted the polygon along the transversal of a section of thick bamboo axis direction extension and transfer line that draws water, the one end that the transfer line is close to a section of thick bamboo open end that draws water is equipped with the one-way transmission device that.
By adopting the technical scheme, when the rigid piston rotates, the transmission rod is rotationally connected with the water pumping cylinder, the cross section of the transmission rod is polygonal, so that the rigid piston drives the transmission rod to rotate, the filter cylinder is driven by the rotating device to rotate in a one-way mode, the filter cylinder can continuously rotate towards one direction, and the effect of throwing away impurities such as soil and fallen leaves by the filter cylinder is better.
The utility model discloses further set up to: the cross section of the transmission rod is square.
By adopting the technical scheme, the cross section of the transmission rod is square, so that when the rigid piston rotates, the transmission rod is stably driven to rotate, and the filter cartridge rotates.
The utility model discloses further set up to: the filter cylinder is cylindrical, one end, far away from the transmission rod, of the filter cylinder is closed, and a plurality of circular filter holes are formed in the side wall of the filter cylinder and one end, close to the transmission rod, of the filter cylinder.
Through adopting above-mentioned technical scheme, pass the filtration pore through sewage and enter into straining in the section of thick bamboo, when straining a section of thick bamboo and take place to rotate, utilize the produced centrifugal force of a section of thick bamboo for debris orientation in the sewage is kept away from a section of thick bamboo axis direction and is removed, reduces the condition that debris blockked up a section of thick bamboo that draws water, and then makes sampling operation comparatively convenient, keeps away from the one end of transfer line through straining a section of thick bamboo and seals, makes debris be difficult for entering into a section of thick bamboo center pin position department, and then.
The utility model discloses further set up to: the diameter of the filter hole is 0.01mm-0.2 mm.
By adopting the technical scheme, the diameter of the filter hole is 0.01-0.2 mm, so that sundries in sewage are not easy to enter the filter cylinder, and the situation that the water pumping cylinder is blocked by the sundries is reduced.
The utility model discloses further set up to: the groove bottom of the spiral groove is provided with a through groove with the extending direction consistent with the extending direction of the spiral groove, the through groove is communicated with the spiral groove, and the side wall of the spiral strip, far away from the rigid piston, is connected with a slide bar with the extending direction consistent with the extending direction of the spiral strip.
Through adopting above-mentioned technical scheme, through draw runner and logical groove cooperation for when the air passes through from the clearance between helicla flute and the helical strip, need pass through from the clearance between draw runner and the logical groove, prolonged the route that the air flows, make the air be difficult for passing through from the clearance between helicla flute and the helical strip, guarantee that the rigid piston moves in the section of thick bamboo that draws water with the effect of drawing water.
The utility model discloses further set up to: one end of the water pumping cylinder, which is close to the filter cylinder, is fixedly connected with a cleaning piece, and the cleaning piece is abutted to the outer wall of the filter cylinder.
By adopting the technical scheme, the one end of the water pumping cylinder close to the filter cylinder is fixedly connected with the brushing part and the brushing part is abutted to the outer wall of the filter cylinder, when the filter cylinder rotates, the brushing part is utilized to brush sundries on the side wall of the filter cylinder, so that the filtering effect is good, the extra energy is not needed to drive the brushing part to brush the filter cylinder, and the operation is convenient.
The utility model discloses further set up to: the cleaning and brushing part comprises two strip-shaped brushes positioned at two sides of the water pumping barrel.
By adopting the technical scheme, the brushing piece comprises the two long-strip-shaped brushes positioned on two sides of the water pumping cylinder, so that the brushing filter cylinder is quick and convenient to clean.
To sum up, the utility model discloses following beneficial effect has:
1. the sewage pumped into the water pumping cylinder is separated from impurities such as soil and fallen leaves through the filtering of the filter cylinder, so that the treatment work of the sewage pumped into the water pumping pipe before detection is reduced, and the operation is more convenient during sewage detection;
2. one end of the filter cylinder, which is far away from the transmission rod, is closed, so that sundries are not easy to enter the central shaft of the filter cylinder, and the water pumping cylinder is not easy to be blocked by the sundries;
3. through the cooperation of draw runner and logical groove for air and from the clearance between helicla flute and the helical strip when passing through, need pass through from the clearance between draw runner and the logical groove, prolonged the route that the air flows, make the air difficult pass through between helicla flute and the helical strip, guarantee the effect of rigid piston motion in order to draw water in the section of thick bamboo that draws water.
Drawings
FIG. 1 is a schematic view of the overall structure of a sampling device for municipal sewage treatment according to the present invention;
FIG. 2 is a schematic view of the internal structure of a sampling device for municipal sewage treatment according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of part B of fig. 2.
In the figure: 1. a water pumping cylinder; 11. a water pumping pipe; 12. a helical groove; 13. a through groove; 14. a rigid piston; 141. a helical strip; 142. a slide bar; 15. an outlet hole; 16. a lifting ring; 161. a dovetail block; 162. a dovetail groove; 17. a piston rod; 18. a secondary bearing; 2. a transmission device; 21. a transmission rod; 3. a main bearing; 4. a rotating device; 41. a fixed block; 42. a spring; 43. a pawl; 44. a ratchet wheel; 45. a fixing plate; 5. a filter cartridge; 51. filtering holes; 6. cleaning the workpiece; 61. and a brush.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
A sampling device for municipal sewage treatment comprises a cylindrical water pumping barrel 1, wherein polyformaldehyde is coated on the whole water pumping barrel 1, a cylindrical water pumping pipe 11 is fixedly connected to one end of the water pumping barrel 1, the water pumping pipe 11 is communicated with the water pumping barrel 1, a spiral groove 12 is recessed in the inner wall of the water pumping barrel 1, the spiral groove 12 spirally extends towards one end far away from the water pumping pipe 11 along the axial direction of the water pumping barrel 1, the helix angle of the spiral groove 12 is larger than the friction angle of the spiral groove 12 (the friction angle is arctan (mu) mu is a friction coefficient, mu is related to the material of the spiral groove 12), the helix angle of the spiral groove 12 is 15 degrees in the embodiment, the helix angles can be 20 degrees, 30 degrees, 45 degrees, 60 degrees and the like in other embodiments, a cylindrical rigid piston 14 extending along the radial direction of the water pumping barrel 1 is further included in the water pumping barrel 1, the water pumping cylinder 1 is rotatably connected with a cylindrical filter cylinder 5, and a transmission device 2 for driving the filter cylinder 5 to rotate along with the rigid piston 14 is further arranged in the water pumping cylinder 1.
Referring to fig. 3, a through groove 13 is recessed at the bottom of the spiral groove 12, the extending direction of the through groove 13 is consistent with the extending direction of the spiral groove 12, the through groove 13 is communicated with the spiral groove 12, and the depth of the through groove 13 is smaller than that of the spiral groove 12.
Referring to fig. 2 and 3, the outer side surface of the rigid piston 14 abuts against the inner wall of the water pumping cylinder 1, and a spiral bar 141 is fixedly connected to the outer side surface of the rigid piston 14, and the spiral bar 141 is positioned in the spiral groove 12 and slides along the spiral groove 12.
Referring to fig. 2 and 3, a slide bar 142 is fixedly connected to a side wall of the spiral bar 141 away from the rigid piston 14, an extending direction of the slide bar 142 is the same as an extending direction of the spiral groove 12, and the slide bar 142 is located in the through groove 13 and slides along the through groove 13.
Referring to fig. 2 and 3, one end of the water pumping cylinder 1, which is far away from the water pumping pipe 11, is provided with two extending holes 15, the two extending holes 15 are respectively consistent in length from the central axis of the water pumping cylinder 1, one end, which faces the extending holes 15, of the rigid piston 14 is fixedly connected with a cylindrical lifting ring 16, the diameter of the lifting ring 16 is smaller than that of the rigid piston 14, two piston rods 17 are fixedly connected to the end parts, which are close to the extending holes 15, of the lifting ring 16, and the piston rods 17 extend along the axial direction of the water pumping cylinder 1 to penetrate through the extending holes 15 and extend out.
Referring to fig. 3, a dovetail block 161 is fixedly connected to an end of the lifting ring 16 away from the extension hole 15, a dovetail groove 162 is formed at an end of the rigid piston 14 close to the extension hole 15, and the dovetail block 161 slides in the dovetail groove 162 so that the lifting ring 16 and the rigid piston 14 are rotatably connected and are not easily separated.
Referring to fig. 2 and 3, the transmission device 2 includes a transmission rod 21 rotatably connected to one end of the pumping barrel 1 near the extending hole 15, the transmission rod 21 is rectangular, the cross section of the transmission rod 21 is square, a secondary bearing 18 is fixedly connected to an inner wall of the pumping barrel 1 at one end of the extending hole 15, an outer wall of the transmission rod 21 is fixedly connected to an inner wall of the secondary bearing 18, and the transmission rod 21 extends through a middle position of the rigid piston 14 along a central axis direction of the pumping barrel 1 to penetrate out of the pumping pipe 11 to communicate with the outside.
Referring to fig. 1 and 4, one end of the pumping tube 11, which is far away from the pumping cylinder 1, is connected with a main bearing 3, the inner ring of the main bearing 3 is rotatably connected with a rotating device 4, the outer ring of the main bearing 3 is fixedly connected with a filter cartridge 5, the rotating device 4 comprises two opposite fixed blocks 41 fixedly connected with the inner ring of the main bearing 3, the two fixed blocks 41 extend along the radial direction of the main bearing 3, one end of the fixed block 41, which is far away from the outer ring of the main bearing 3, is fixedly connected with a spring 42, the spring 42 extends along the radial direction of the main bearing 3, the fixed block 41 is hinged with a pawl 43, one end of the spring 42, which is far away from the fixed block 41, is fixedly connected with the pawl 43 to drive the pawl to slide towards the direction, which is far away.
Referring to fig. 4, a plurality of circular filter holes 51 are formed in the side wall of the filter cartridge 5, in the present embodiment, the diameter of each filter hole 51 is 0.01mm, in other embodiments, the diameter of each filter hole 51 may also be 0.02mm, 0.05mm, 0.1mm, 0.2mm, and the like, a fixing plate 45 is fixedly connected to one end of the filter cartridge 5 close to the water pumping pipe 11, the fixing plate 45 is in a circular plate shape, the diameter of the fixing plate 45 is smaller than the diameter of the outer ring of the main bearing 3, one end of the fixing plate 45 close to the water pumping pipe 11 is fixedly connected to one end of the fixing block 41 close to the filter cartridge 5, a plurality of circular dense holes (not labeled in the drawing) are formed in the plate surface of the fixing plate 45 facing the water pumping pipe.
Referring to fig. 1, a cleaning member 6 is fixedly connected to the side wall of the pumping pipe 11, the cleaning member 6 extends along the axial direction of the pumping pipe 11, the cleaning member 6 is a strip-shaped brush 61, and the brush 61 abuts against the outer side wall of the filter cartridge 5.
The working conditions and principles of the embodiment are as follows:
when the lifting device is used, the piston rod 17 is pulled, so that the piston rod 17 moves towards the direction far away from the filter cartridge 5, the piston rod 17 slides in the extending hole 15, the lifting ring 16 moves along the direction of the movement of the piston rod 17, the lifting ring 16 is rotationally connected to the rigid piston 14, when the piston rod 17 is pulled at a high speed to drive the lifting ring 16 to move, the lifting ring is slidably connected into the spiral groove 12 through the spiral strip 141 on the side wall of the rigid piston 14, the sliding strip 142 is located in the through groove 13 and slides along the through groove 13, the rigid piston 14 can rotate, and the rigid piston 14 spirally slides anticlockwise towards the direction far away from the filter cartridge 5.
When the rigid piston 14 spirally slides in a direction away from the filter cartridge 5, the rectangular transmission rod 21 is driven to rotate, the ratchet 44 is fixedly connected to the transmission rod 21, so that the ratchet 44 and the transmission rod 21 rotate in the same direction, when the ratchet 44 rotates counterclockwise relative to the water pumping cartridge 1, the pawl 43 abuts against a driving surface of the ratchet 44, so that the ratchet 44 drives the pawl 43 to rotate, and the fixed block 41 is fixedly connected to the filter cartridge 5 because the pawl 43 is hinged to the fixed block 41, so that the filter cartridge 5 also rotates.
When the filter cartridge 5 rotates at a high speed, the sampling device is put into the sewage, and impurities adhered to the side wall of the filter cartridge 5 are easily separated by using the centrifugal force generated by the rotation of the filter cartridge 5.
The brush 61 is fixedly connected to the outer wall of the water pumping pipe 11, and the brushing surface of the brush 61 abuts against the outer wall of the filter cartridge 5, so that when the filter cartridge 5 rotates at a high speed in sewage, the brush 61 can brush away impurities on the outer wall of the filter cartridge 5, and the condition that the water pumping pipe 11 is blocked by the impurities is reduced.
When the piston rod 17 stops being pulled, the rigid piston 14 stops rotating, the driving rod 21 and the ratchet 44 stop moving, inertia generated by movement of the ratchet 44 and the pawl 43 is utilized, the pawl 43 is bounced off along the guide surface of the ratchet 44, and the filter cartridge 5 continues rotating, so that more impurities in the sewage are separated from the outer wall of the filter cartridge 5, meanwhile, the impurities on the outer wall of the filter cartridge 5 can be brushed away by the brush 61, the blocking condition of the impurities is further reduced, and the sewage can easily enter the water pumping cylinder 1.
The rigid piston 14 makes a spiral anticlockwise movement towards the direction far away from the filter cartridge 5, and is slidably connected in the spiral groove 12 through the spiral strip 141, so that the sewage is collected in the water pumping cartridge 1 to realize the sampling work.
When air flows in the water pumping cylinder 1, the sliding strip 142 is matched with the through groove 13, so that when the air passes through a gap between the spiral groove 12 and the spiral strip 141, the air needs to pass through the gap between the sliding strip 142 and the through groove 13, the air flowing path is prolonged, the air is not easy to pass through the gap between the spiral groove 12 and the spiral strip 141, the sealing performance between the rigid piston 14 and the water pumping cylinder 1 is improved, and the effect that the rigid piston 14 moves in the water pumping cylinder 1 to pump water is ensured.
The side wall of the filter cylinder 5 is provided with the plurality of circular filter holes 51, sewage passes through the filter holes 51 and enters the filter cylinder 5, when the filter cylinder 5 rotates, impurities attached to the side wall of the filter cylinder 5 are separated towards the direction away from the axis of the filter cylinder 5, and meanwhile, one end, away from the transmission rod 21, of the filter cylinder 5 is closed, so that the impurities are not easy to enter the position of the central axis of the filter cylinder 5, and the impurities are not easy to be thrown out by using centrifugal force at the central position of the filter cylinder 5, and further the impurities are not easy to block the water pumping.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a sampling device that municipal administration sewage treatment used which characterized by: including hollow cylinder and one end open-ended section of thick bamboo (1) that draws water, the inner wall of a section of thick bamboo (1) that draws water is sunken to have spiral groove (12) along the extension of a section of thick bamboo (1) axis direction that draws water, the helix angle of spiral groove (12) is greater than the friction angle, be equipped with rigid piston (14) of the perpendicular to section of thick bamboo (1) axis that draws water in the section of thick bamboo (1) of drawing water, fixedly connected with ribbon (141) on rigid piston (14) lateral wall, ribbon (141) are located and slide in spiral groove (12) so that rigid piston (14) and a section of thick bamboo (1) threaded connection draws water, rotate on rigid piston (14) and be connected with lifting ring (16), lifting ring (16) fixedly connected with along drawing water a section of thick bamboo (1) axial direction extension and running through drinking water pipe (11) and keeping away from the open end in order to stretch out the outer piston rod (17) of a section of drawing water section, and a transmission device (2) for driving the filter cartridge (5) to rotate along with the rigid piston (14) is arranged in the water pumping cylinder (1).
2. The sampling device of claim 1, wherein: the helix angle of the spiral groove (12) is 15-60 degrees.
3. The sampling device of claim 1, wherein: the lifting ring (16) is towards one end fixedly connected with dovetail block (161) of rigid piston (14), rigid piston (14) is opened along rigid piston (14) circumferencial direction and end to end's dovetail groove (162) towards the one end of lifting ring (16), dovetail block (161) are located dovetail groove (162) and slide along dovetail groove (162).
4. A sampling means for municipal sewage treatment according to claim 3, wherein: describe transmission (2) including rotate connect in the transfer line (21) of the tip of keeping away from the open end in a section of thick bamboo (1) that draws water, rigid piston (14) is run through in transfer line (21), the axis of rotation of transfer line (21) coincides with the axis of rotation of rigid piston (14), transfer line (21) are along drawing water a section of thick bamboo (1) axis direction extension and transfer line (21) the transversal polygon of personally submitting, transfer line (21) are close to the one end of drawing water a section of thick bamboo (1) open end and are equipped with drive and strain a section of thick bamboo (5) one-way rotary device (4) of following transfer line (21).
5. A sampling device for municipal sewage treatment according to claim 4, wherein: the cross section of the transmission rod (21) is square.
6. The sampling device of claim 1, wherein: the filter cartridge (5) is cylindrical, one end, far away from the transmission rod (21), of the filter cartridge (5) is closed, and a plurality of circular filter holes (51) are formed in the side wall of the filter cartridge (5) and one end, close to the transmission rod (21), of the filter cartridge.
7. A sampling device for municipal sewage treatment according to claim 6, wherein: the diameter of the filter holes (51) is 0.01mm-0.2 mm.
8. The sampling device of claim 1, wherein: open logical groove (13) that extending direction and spiral groove (12) extending direction are unanimous on the tank bottom of spiral groove (12), logical groove (13) communicate in spiral groove (12), be connected with on the lateral wall that rigid piston (14) was kept away from in spiral strip (141) and extend direction and spiral strip (141) extending direction unanimous draw runner (142).
9. The sampling device of claim 1, wherein: one end, close to the filter cylinder (5), of the water pumping cylinder (1) is fixedly connected with a cleaning piece (6), and the cleaning piece (6) is abutted to the outer wall of the filter cylinder (5).
10. A sampling means for municipal sewage treatment according to claim 9, wherein: the cleaning and brushing part (6) comprises two long-strip-shaped brushes (61) which are positioned at two sides of the water pumping barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295745.XU CN210400942U (en) | 2019-08-10 | 2019-08-10 | Sampling device that municipal administration sewage treatment used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295745.XU CN210400942U (en) | 2019-08-10 | 2019-08-10 | Sampling device that municipal administration sewage treatment used |
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| CN210400942U true CN210400942U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921295745.XU Active CN210400942U (en) | 2019-08-10 | 2019-08-10 | Sampling device that municipal administration sewage treatment used |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156527A (en) * | 2020-09-24 | 2021-01-01 | 张健波 | Filter screen frame rotation type edulcoration device for sewage extraction |
| CN116106069A (en) * | 2023-04-11 | 2023-05-12 | 绵阳师范学院 | Observation device for ecological hydrologic response of plateau wetland |
-
2019
- 2019-08-10 CN CN201921295745.XU patent/CN210400942U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156527A (en) * | 2020-09-24 | 2021-01-01 | 张健波 | Filter screen frame rotation type edulcoration device for sewage extraction |
| CN112156527B (en) * | 2020-09-24 | 2022-07-22 | 无锡博美环境科技有限公司 | Filter screen frame rotation type edulcoration device is used in sewage extraction |
| CN116106069A (en) * | 2023-04-11 | 2023-05-12 | 绵阳师范学院 | Observation device for ecological hydrologic response of plateau wetland |
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