CN220589031U - Improved radial sedimentation tank - Google Patents
Improved radial sedimentation tank Download PDFInfo
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- CN220589031U CN220589031U CN202322008717.8U CN202322008717U CN220589031U CN 220589031 U CN220589031 U CN 220589031U CN 202322008717 U CN202322008717 U CN 202322008717U CN 220589031 U CN220589031 U CN 220589031U
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- water
- sedimentation tank
- water spraying
- pipe
- longitudinal
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 174
- 238000005507 spraying Methods 0.000 claims abstract description 73
- 239000007921 spray Substances 0.000 claims description 31
- 239000002893 slag Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000007667 floating Methods 0.000 description 11
- 239000010410 layer Substances 0.000 description 9
- 239000010802 sludge Substances 0.000 description 8
- 238000007790 scraping Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model discloses an improved radial sedimentation tank, which comprises a circular tank body, a central cylinder, a working bridge and a driving device, wherein the central cylinder is arranged at the center of the sedimentation tank; the system also comprises a spraying system which at least comprises a longitudinal water spraying pipe extending from the central cylinder to the direction of the sedimentation tank wall, wherein the longitudinal water spraying pipe is provided with straight pipe water spraying ports at intervals in the reverse direction of the rotation and the advancing direction of the skimming plate, and the pressurized water enters through the water inlets of the longitudinal water spraying pipe and is emitted to the water surface in the reverse direction of the advancing direction of the skimming plate from each water spraying port. Solves the problems of the existing skimming plate that the rear mud is collected, the water treatment effect is affected and the production environment of the water treatment structure is affected, and the skimming plate is easy to reform, simple in structure and high in efficiency, and greatly facilitates operation, management, daily maintenance and the like.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to an improved radial flow sedimentation tank.
Background
The radial flow sedimentation tank has the characteristics of high mud discharge concentration and convenient mud discharge, and is widely applied to a secondary sedimentation process in the sewage treatment industry. Generally, radial sedimentation tanks are divided into two main forms, namely a central drive and a peripheral drive. However, no matter which transmission mode is adopted, the main structure and the working principle are not very different. Taking center transmission as an example, the radial sedimentation tank mud scraping system comprises a working bridge, a driving device, a mud scraping arm, a skimming plate and a slag discharging port structure.
The sewage evenly flows to the periphery through the central turbulent flow cylinder, the flow velocity can be correspondingly reduced along with the increase of the overflow area, sediment in the sewage is sunk at the bottom of the tank, the working bridge and the mud scraping arm synchronously rotate under the drive of the driving device, and the settled mud is scraped into a central mud collecting pit, and is discharged by utilizing water pressure or a pump. However, part of the sludge in the sewage can float up due to anaerobic fermentation, and the part of the sludge is discharged out of the sedimentation tank along with the precipitated effluent, so that the SS index of the effluent of the sedimentation tank is influenced, and meanwhile, the surface of the sedimentation tank floats with a layer of sludge, so that the sensory effect is also very influenced. In order to solve the problem, the lower part of the sludge scraper bridge is provided with a strip-shaped skimming plate, and the floating sludge is hung to a slag discharge port to be discharged out of the pool through synchronous rotation of the bridge and the skimming plate.
In the actual operation process, the problem of floating mud is found to be not thoroughly solved: in the forward movement process of the bridge frame, sludge at the front part of the skimming plate enters the slag discharge port to be discharged out of the tank under the pushing action of the skimming plate, but negative pressure rotational flow can be generated on the water surface at the rear part of the skimming plate, so that floating sludge behind the skimming plate always moves along with the scraping plate, the floating sludge on the tank surface cannot be completely removed, the attractiveness is very influenced, and the final effect of water treatment is further influenced.
Therefore, how to design an improved radial sedimentation tank to solve the problem that the water surface at the rear part of the skimming plate is influenced by negative pressure rotational flow, is very necessary and urgent.
Disclosure of Invention
In order to solve the problems, the utility model provides an improved radial sedimentation tank, which solves the problems of influencing the water treatment effect and influencing the production environment of water treatment structures by collecting mud at the rear part of the existing skimming plate, and has simple structure, high efficiency, simple production operation management, daily maintenance and the like.
The technical scheme adopted by the utility model is as follows:
the utility model provides an improved generation radial sedimentation tank, includes circular cell body, central section of thick bamboo, working bridge, drive arrangement and spraying system, and central section of thick bamboo sets up in sedimentation tank center, and the working bridge center is arranged in central section of thick bamboo top, and its both ends are arranged in the radial both ends at circular cell body top to rotate along central section of thick bamboo under drive arrangement's drive, skimming plate is fixed under the working bridge, can rotate along with the working bridge in surface of water department; the spraying system at least comprises a longitudinal water spraying pipe extending from the central cylinder to the wall direction of the sedimentation tank, wherein the longitudinal water spraying pipe is provided with spaced water spraying ports towards the reverse direction of the rotating and advancing direction of the skimming plate, and pressurized water enters through the water inlets of the longitudinal water spraying pipe and is sprayed to the water surface of the skimming plate in the reverse direction of the advancing direction from the water spraying ports of the longitudinal water spraying pipe.
The utility model relates to an improved radial sedimentation tank, the spraying system also comprises an annular water spraying pipe which is arranged around the top of a central cylinder, water spraying ports are arranged on the annular water spraying pipe at intervals outwards in an annular way, and pressurized water is ejected from the water spraying ports of the annular water spraying pipe to the water surface around the central cylinder.
According to the improved radial sedimentation tank disclosed by the utility model, the longitudinal water spraying pipe is fixed on the skimming plate.
According to the improved radial sedimentation tank, the annular water spraying pipe and the longitudinal water spraying pipe are mutually communicated.
According to the improved radial sedimentation tank, the pressurized water is provided by pumping the water in the sedimentation tank through the water pump, and the water outlet of the water pump is connected with the annular water spraying pipe or the longitudinal water spraying pipe.
According to the improved radial sedimentation tank, the water pump is fixed at the tail end of the working bridge, the water intake of the water pump is positioned between the outer edge of the central cylinder and the slag discharge port, and the water intake is positioned between 0.5 meters and 1 meter under water.
According to the improved radial sedimentation tank, water spraying openings arranged on the annular water spraying pipe and/or the longitudinal water spraying pipe are divided into an upper layer and a lower layer at intervals, the included angle between the two layers is 20-45 degrees, and the included angle between the water spraying openings on the upper layer and the horizontal plane is 25-40 degrees.
According to the improved radial sedimentation tank, the circuit of the water pump is connected with the circuit of the driving device in parallel, the water pump circuit and the driving device circuit can be controlled simultaneously through the master switch, and the parallel branch circuit where the water pump is arranged is provided with the independent water pump control switch.
The improved radial sedimentation tank is characterized in that water spraying openings of the longitudinal water spraying pipes are arranged at intervals of 35-50 cm; the annular water spraying pipes are arranged at intervals of 5-10 degrees in each annular direction.
According to the improved radial sedimentation tank, the longitudinal water spraying pipe and/or the annular water spraying pipe are/is made of PP material or PPR material and are/is fixed on the rear side of the skimming plate through the binding belt or the anchor ear.
The utility model has the beneficial effects that: through setting up water supply system and spraying system on the work bridge, realize the hydraulic defoaming to the floating mud, reduced the production of floating mud, simultaneously through hydraulic driving, avoided the condition of the regional mud enrichment of whirl behind the skimming board, make behind the skimming board mud can enter into the sediment mouth through the effect of scraper blade in, reach the pleasing to the eye purpose of promotion radial sedimentation tank pond face. The system can work synchronously with the mud scraper to clean the whole pool surface. Meanwhile, the effluent of the radial sedimentation tank is used as spray water, which is beneficial to saving water resources. The utility model has simple structure and high efficiency.
Drawings
FIG. 1 is a schematic diagram of a modified radial flow sedimentation tank of the present utility model;
FIG. 2 is a schematic diagram II of an improved radial flow sedimentation tank of the present utility model;
FIG. 3 is a schematic view of a dual layer water jet arrangement of the present utility model;
FIG. 4 is a circuit control diagram of the present utility model.
Description of the embodiments
Specific embodiments of the present utility model will now be described in order to provide a clearer understanding of the technical features, objects and effects of the present utility model. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
The embodiment relates to an improved radial sedimentation tank, which comprises a circular tank body 1, a central cylinder 2, a working bridge 3, a driving device 31 and a spraying system, wherein the central cylinder 2 is arranged at the center of the sedimentation tank, the center of the working bridge 3 is arranged at the top of the central cylinder 2, two ends of the working bridge 3 are arranged at the radial two ends of the top of the circular tank body 1, the working bridge is driven by the driving device to rotate along the central cylinder 2, and a skimming plate 4 is fixed below the working bridge 3 and can rotate together with the working bridge 3 at the water surface; the spraying system at least comprises a longitudinal water spraying pipe 51 extending from the central cylinder 2 to the wall direction of the sedimentation tank, wherein the longitudinal water spraying pipe 51 is provided with water spraying ports 53 at intervals in the opposite direction of the rotation travel of the skimming plate 4, and pressurized water enters through the water inlets of the longitudinal water spraying pipe 51 and is sprayed to the water surface in the opposite direction of the travel of the skimming plate 4 from the water spraying ports 53 of the longitudinal water spraying pipe 51.
The spray system further comprises an annular spray pipe 52 arranged around the top of the central cylinder 2, the annular spray pipe 52 being provided with spray openings 53 at intervals circumferentially outwards, and pressurized water being ejected from the spray openings 53 of the annular spray pipe 52 towards the water surface around the central cylinder 2.
The longitudinal water spray pipe 51 is fixed to the skimming plate 4. Specifically, the longitudinal water spray pipe 51 is fixed at the rear side of the skimming plate 4, and the fixing manner can be that the longitudinal water spray pipe is fixed at the rear side of the skimming plate 4 through a binding belt or through a hoop.
The annular water spray pipe 52 and the longitudinal water spray pipe 51 are communicated with each other. Specifically, the annular water spraying pipe 52 and the longitudinal water spraying pipe 51 are connected through a connecting pipe 54, and further, the connecting pipe 54 is made of soft plastic.
The pressurized water is provided by pumping water in the sedimentation tank through a water pump 6, and the water outlet of the water pump 6 is connected with an annular water spraying pipe 52 or a longitudinal water spraying pipe 51. As shown in the figure, the water pump 6 is a submersible pump 6, the water pump 6 is positioned at the central cylinder 2 and is connected with the annular water spray pipe 52 through a water outlet pipe 61 of the water pump 6, and the annular water spray pipe 52 is respectively connected with the longitudinal water spray pipes 51 at two ends through connecting pipes 54, so that the water pump 6 can simultaneously supply water to the longitudinal water spray pipes 51 through the connecting pipes 54.
Further preferably, the water pump 6 may be fixed at the tail end of the working bridge 3, the water intake of the water pump 6 is located between the outer edge of the central cylinder 2 and the slag discharge port 7, and the water intake is located between 0.5 meters and 1 meter under water. The water pump 6 is directly connected to the longitudinal water jet pipe 51 at the end, and then water is simultaneously supplied to the annular water jet pipe 52 and the longitudinal water jet pipe 51 at the other end through the longitudinal water jet pipe 51. There is also the advantage that the water in this region from the central cylinder 3 to the end of the sediment, where the impurities have been substantially removed, is relatively clean.
Further, the annular water spray pipes 52 are respectively connected with the longitudinal water spray pipes 51 through tee joints to form a through waterway system.
As shown in FIG. 3, the water spray openings 53 of the annular water spray pipe 52 and/or the longitudinal water spray pipe 51 are divided into an upper layer and a lower layer at intervals, the included angle between the two layers is 20-45 degrees, and the included angle between the water spray openings 53 of the upper layer and the horizontal plane is 25-40 degrees.
The water spraying openings 53 of the longitudinal water spraying pipes 51 are arranged at intervals of 35-50 cm; the annular water jets 52 are disposed one at each circumferential interval of 5-10 degrees. Through experiments, the set density of the water jet can achieve a better process effect.
The longitudinal water spraying pipe 51 and/or the annular water spraying pipe 52 are made of PP material or PPR material and are fixed on the rear side of the skimming plate 4 through a binding belt or a hoop.
Preferably, the annular water spraying pipe 52 has 4 fixing points which are arranged at 90 degrees apart, so that the purposes of balancing and fixing and avoiding the collapse of the annular water spraying pipe 52 are achieved.
As shown in fig. 4, the circuit of the water pump 6 is connected in parallel with the circuit of the driving device 31, the common power source 81, the circuit of the water pump 6 and the circuit of the driving device 31 can be controlled simultaneously by the total switch 82, and a parallel branch circuit where the water pump 6 is located is provided with a separate water pump control switch 83. Thus, by applying the system, after the driving motor of the driving device 31 of the working bridge 3 is electrified, when the vehicle walks, the spraying system is automatically powered on and starts to supply water to the spraying system. The water pump control switch 83 can independently control the spraying system to start or stop, so that when the mud scraping operation is performed, if the water surface foam or the floating mud is light, the water pump control switch 83 can be turned off to save energy. The spraying system sprays water to the water surface to form two functions of hydraulic defoaming and driving the floating mud, on one hand, the floating mud is separated from the negative pressure cyclone area through hydraulic driving, so that the floating mud can be skimmed by the skimming plate and enters the slag discharge port 7 to be discharged, on the other hand, the hydraulic defoaming can reduce the generation amount of foam, and the sensory influence of the floating mud on the pool surface is reduced.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. An improved generation radial flow sedimentation tank, its characterized in that: the device comprises a round tank body, a central cylinder, a working bridge, a driving device and a spraying system, wherein the central cylinder is arranged at the center of the sedimentation tank, the working bridge is arranged at the top of the central cylinder, two ends of the working bridge are arranged at the radial two ends of the top of the round tank body, the working bridge is driven by the driving device to rotate along the central cylinder, and a skimming plate is fixed below the working bridge and can rotate along with the working bridge at the water surface; the spraying system at least comprises a longitudinal water spraying pipe extending from the central cylinder to the wall direction of the sedimentation tank, wherein the longitudinal water spraying pipe is provided with spaced water spraying ports towards the reverse direction of the rotating and advancing direction of the skimming plate, and pressurized water enters through the water inlets of the longitudinal water spraying pipe and is sprayed to the water surface of the skimming plate in the reverse direction of the advancing direction from the water spraying ports of the longitudinal water spraying pipe.
2. An improved radial flow sedimentation tank as set forth in claim 1, wherein: the spray system further comprises an annular spray pipe arranged around the top of the central cylinder, the annular spray pipe is provided with spray openings towards the outer ring at intervals, and pressurized water is ejected from the spray openings of the annular spray pipe to the water surface around the central cylinder.
3. An improved radial flow sedimentation tank as set forth in claim 2, wherein: the longitudinal water spraying pipe is fixed on the skimming plate.
4. An improved radial flow sedimentation tank as set forth in claim 3 wherein: the annular water spraying pipe and the longitudinal water spraying pipe are mutually communicated.
5. The improved radial flow sedimentation tank of claim 4, wherein: the pressurized water is provided by pumping water in the sedimentation tank through a water pump, and the water outlet of the water pump is connected with an annular spray pipe or a longitudinal spray pipe.
6. An improved radial flow sedimentation tank as set forth in claim 5 wherein: the water pump is fixed at the tail end of the working bridge, the water intake of the water pump is positioned between the outer edge of the central cylinder and the slag discharge port, and the water intake is positioned between 0.5 meter and 1 meter under water.
7. The improved radial flow sedimentation tank of claim 6, wherein: the water jet arranged on the annular water jet pipe and the longitudinal water jet pipe is divided into an upper layer and a lower layer at intervals, the included angle between the two layers is 20-45 degrees, and the included angle between the water jet on the upper layer and the horizontal plane is 25-40 degrees.
8. The improved radial flow sedimentation tank of claim 7, wherein: the circuit of the water pump is connected with the circuit of the driving device in parallel, the water pump circuit and the driving device circuit can be controlled simultaneously through the master switch, and an independent water pump control switch is arranged on a parallel branch where the water pump is located.
9. The improved radial flow sedimentation tank of claim 7, wherein: the water spraying openings of the longitudinal water spraying pipes are arranged at intervals of 35-50 cm; the annular water spraying pipes are arranged at intervals of 5-10 degrees in each annular direction.
10. An improved radial flow sedimentation tank as set forth in claim 2, wherein: the longitudinal water spraying pipe and the annular water spraying pipe are made of PP material or PPR material and are fixed on the rear side of the skimming plate through a binding belt or a hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322008717.8U CN220589031U (en) | 2023-07-28 | 2023-07-28 | Improved radial sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322008717.8U CN220589031U (en) | 2023-07-28 | 2023-07-28 | Improved radial sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220589031U true CN220589031U (en) | 2024-03-15 |
Family
ID=90175505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322008717.8U Active CN220589031U (en) | 2023-07-28 | 2023-07-28 | Improved radial sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220589031U (en) |
-
2023
- 2023-07-28 CN CN202322008717.8U patent/CN220589031U/en active Active
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