CN212609980U - Sewage treatment air supporting unit with adjustable scraper blade - Google Patents
Sewage treatment air supporting unit with adjustable scraper blade Download PDFInfo
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- CN212609980U CN212609980U CN202021065103.3U CN202021065103U CN212609980U CN 212609980 U CN212609980 U CN 212609980U CN 202021065103 U CN202021065103 U CN 202021065103U CN 212609980 U CN212609980 U CN 212609980U
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- scraper blade
- scum
- adjustable
- separation chamber
- clear water
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- 239000010865 sewage Substances 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000000926 separation method Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000007790 scraping Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 23
- 238000005188 flotation Methods 0.000 claims description 14
- 239000002893 slag Substances 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 claims 7
- 210000005056 cell body Anatomy 0.000 abstract description 8
- 239000013049 sediment Substances 0.000 abstract description 4
- 238000007667 floating Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 208000034699 Vitreous floaters Diseases 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Physical Water Treatments (AREA)
- Removal Of Floating Material (AREA)
Abstract
The utility model relates to a sewage treatment air supporting unit with adjustable scraper blade, including the cell body, the cell body left side is fast and slow mixing tank, the cell body middle part is contact chamber and separation chamber, fast and slow mixing tank passes through sewer line intercommunication contact chamber both sides, set up the releaser in the contact chamber, the releaser is connected and is dissolved the gas system, contact chamber one side intercommunication separation chamber, the clear water collecting system intercommunication clear water groove is passed through to the separation chamber bottom, separation chamber one side sets up the scum groove, set up the scum board between separation chamber and the scum groove, scum board top sets up scrapes sediment mechanism, it includes the drive shaft to scrape sediment mechanism, the drive shaft passes through the bearing frame and rotates and install on the cell body. The utility model has simple structure, greatly reduces the separation length, ensures that the rear end of the separation area has sufficient dissolved air water, and improves the quality of the outlet water; the water amount of single air floatation treatment is increased in multiples; the scum scraping mechanism is arranged on the single side of the separation chamber, so that scum is gradually taken away, and the separation chamber is prevented from being disturbed.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, a sewage treatment air supporting unit with adjustable scraper blade is related to.
Background
In the water supply and drainage process, a solid-liquid separation process and equipment are key links, and the conventional air flotation is generally rectangular, and the length-width ratio of the conventional air flotation is 1:3, even 1: 5. The sewage is generally fed from a narrow side, separated in the length direction and finally discharged from the narrow end. The main problems of the conventional air flotation are that firstly, sewage travels tens of meters from water inlet to clear water discharge, bubbles in dissolved air water almost disappear completely in the rear half part of the tank body in the long separation space, suspended matters in the sewage cannot continuously float upwards if no bubble exists in the sewage in the rear half part of the tank body, floating slag floating upwards is also in an unstable state, and the floating slag drops very easily along with disturbance of water flow and the slag scraping process, so that the removal rate is reduced, and the water outlet effect is seriously influenced; secondly, a clear water collecting system is arranged at the rear half part of the tank body, floating slag is pushed by a slag scraper, no bubble buoyancy exists, the floating slag is very easy to drop, the clear water collecting system is arranged at the lower part, and the dropped floating slag flows into a clear water tank along with the clear water collecting system, so that the water quality of effluent is greatly influenced, the air floatation operation efficiency is very low, and even the air floatation can not normally operate. )
The conventional air flotation design has the appearance size of 12000 multiplied by 3800 when the treatment capacity is 150T/h, the transportation limit is reached, and the water dissolved in the tail end of the separation area is little or no when the air dissolved in the tail end of the separation area is calculated according to the length-width ratio of the seven separation areas. The water outlet effect is also poor. Therefore, the water inlet mode of the conventional air floatation can only be 150T/h, and if the SS content of the inlet water exceeds 1000PPm, the treatment capacity of the conventional air floatation can only be reduced to 100-120T/h.
At present, the treatment capacity of industrial sewage exceeds 300T/h, in the process of advanced treatment, the inlet water SS is low, the required separation time is short, the amount of scum is small, and 3 100T/h air floaters are required to be configured in the conventional air floaters, so that the cost and the occupied area of sewage treatment are increased. Therefore, the development of an advanced treatment device with the treatment capacity of more than 300T/h and the transportation of high-efficiency air flotation is needed to replace the conventional air flotation.
Disclosure of Invention
An object of the utility model is to provide a sewage treatment air supporting unit with adjustable scraper blade can solve foretell problem.
According to the utility model provides a technical scheme: a sewage treatment air flotation unit with adjustable scraping plates comprises a pool body, wherein a fast-slow mixing groove is formed in the left side of the pool body, a contact chamber and a separation chamber are formed in the middle of the pool body, the fast-slow mixing groove is communicated with two sides of the contact chamber through a sewage pipeline, a releaser is arranged in the contact chamber and connected with a dissolved air system, one side of the contact chamber is communicated with the separation chamber, the bottom of the separation chamber is communicated with a clear water groove through a clear water collecting system, a scum groove is formed in one side of the separation chamber, a scum board is arranged between the separation chamber and the scum groove, a scum scraping mechanism is arranged above the scum board and comprises a driving shaft, the driving shaft is rotatably installed on the pool body through a bearing seat and is driven by a driving device, a fixed plate is radially installed on the driving shaft and connected with an adjusting plate through a threaded structure, an adjusting bolt is, the adjusting plate is provided with an adjusting groove, the adjusting bolt penetrates through the adjusting groove and then is connected with a locking nut, and the other side of the adjusting plate is connected with a scraper.
As a further improvement of the present invention, the driving device is a driving speed reducer.
As a further improvement of the present invention, the scraper comprises a rigid scraper and a flexible scraper, the rigid scraper is connected to the adjusting plate, and the flexible scraper is located outside.
As a further improvement of the utility model, the flexible scraper is made of polyurethane material.
As a further improvement, be provided with agitating unit in the fast and slow mixing groove, agitating unit is including stirring the support, install the speed reducer on the stirring support, the speed reducer passes through the coupling joint connecting axle, adjustable (mixing) shaft is established to connecting axle lower part cover, install stirring paddle leaf on the adjustable (mixing) shaft, adjustable (mixing) shaft with the connecting axle is adjusted fixedly through holding screw.
As a further improvement of the utility model, the upper end of the slag separating plate is provided with a transition sloping plate.
As a further improvement of the utility model, the clear water collecting system is divided into a clear water collecting pipe; the inner surface of the clear water collecting pipe is provided with spiral ribs, the outer surface of the clear water collecting pipe is adhered with a sound insulation layer, and the outer surface of the sound insulation layer is provided with a damping layer.
As a further improvement of the utility model, the bottom of the contact chamber is provided with a turbulent flow plate, and gradually-changed grooves gradually changing from the middle to the two sides are transversely distributed on the turbulent flow plate.
The positive progress effect of this application lies in:
the utility model has simple structure, greatly reduces the separation length, ensures that the rear end of the separation area has sufficient dissolved air water, and improves the quality of the outlet water; the water amount of single air floatation treatment is increased in multiples; the scum scraping mechanism is arranged on the single side of the separation chamber, so that scum is gradually taken away, and the separation chamber is prevented from being disturbed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the clean water collecting pipe of the present invention.
Fig. 3 is a schematic structural view of the turbulent plate of the present invention.
Fig. 4 is a schematic structural diagram of the stirring device of the present invention.
Fig. 5 is a side sectional view of fig. 1.
Fig. 6 is a schematic structural view of the slag scraping mechanism of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
In the figures 1-6, the device comprises a tank body 1, a fast and slow mixing tank 2, a stirring device 3, a sewage pipeline 4, a contact chamber 5, a releaser 6, a separation chamber 7, a clean water collecting pipe 8, spiral ribs 8-1, a sound insulation layer 8-2, a shock absorption layer 8-3, a clean water tank 9, a residue scraping mechanism 10, a driving speed reducer 11, a bearing seat 12, a driving shaft 13, a fixing plate 14, an adjusting plate 15, a rigid scraper 16, a flexible scraper 17, a residue floating tank 18, a connecting shaft 19, an adjustable stirring shaft 20, a stirring paddle 21, a coupling 22, a residue isolating plate 23, a transition inclined plate 23-1, scum 24, a liquid level 25 and the like.
As shown in fig. 1 and 5, the utility model relates to a sewage treatment air supporting unit with adjustable scraper blade, including cell body 1, cell body 1 left side is fast and slow mixing tank 2, and cell body 1 middle part is contact chamber 5 and separation chamber 7, and fast and slow mixing tank 2 passes through sewage pipe 4 intercommunication contact chamber 5 both sides, sets up releaser 6 in the contact chamber 5, and the gas system is dissolved in the connection of releaser 6, and 5 one side intercommunication separation chambers 7 of contact chamber, separation chamber 7 bottom are through clear water collecting system intercommunication clear water groove 9. Separating chamber 7 one side sets up scum groove 18, set up slag trap 23 between separating chamber 7 and the scum groove 18, slag trap 23 top sets up scrapes sediment mechanism 10, as shown in fig. 6, it includes drive shaft 13 to scrape sediment mechanism 10, drive shaft 13 passes through bearing frame 12 and rotates and install on cell body 1, drive shaft 13 is driven by drive arrangement, in this embodiment, drive arrangement is drive speed reducer 11, drive shaft 13 radially installs two fixed plates 14 through welding process, fixed plate 14 passes through threaded structure and connects regulating plate 15, set up adjusting bolt on the fixed plate 14, it has the adjustment tank to open on the regulating plate 15, adjusting bolt passes and connects lock nut behind the adjustment tank. The other side of the adjusting plate 15 is connected with a scraper which comprises a rigid scraper 16 and a flexible scraper 17, and the rigid scraper 16 is positioned on the inner side and connected with the adjusting plate 15. The flexible scraper 17 is located on the outside, in contact with the slag trap 23. In this embodiment, the flexible scraper 17 is made of a polyurethane material.
The upper end of the slag separator 23 is transited to the sloping plate 23-1 to buffer the deformation of the scraper.
The fast and slow mixing tank 2 is internally provided with a stirring device 3, as shown in fig. 4, the stirring device 3 comprises a stirring support arranged on the tank body, a speed reducer, a coupler 22 connected with an output shaft of the speed reducer, and a connecting shaft 19 and a stirring paddle 21 arranged in the fast and slow mixing tank, the coupler 22 is welded with the connecting shaft 19, the lower part of the connecting shaft 19 is sleeved with an adjustable stirring shaft 20, the stirring paddle 21 is arranged on the adjustable stirring shaft 20, and the adjustable stirring shaft 20 and the connecting shaft 19 are adjusted and fixed through a supporting screw. After the fastening screws are loosened, the adjustable stirring shaft 20 is lifted or lowered, the horizontal height of the stirring paddle blade 21 in the fast and slow mixing groove 2 can be controlled, and then the fastening screws are screwed down to fix the adjustable stirring shaft 20 and the connecting shaft 19.
When the suspended solid is not many, adjustable (mixing) shaft 20 is adjusted to the shortest, and when the suspended solid is many, adjustable (mixing) shaft 20 is adjusted to the longest, through the regulation of stirring degree of depth, can make the utilization ratio of medicament the highest.
The releaser 6 is a key device in the dissolved air floatation water purification system. Compressed air enters the air dissolving system, the air and the water in the air dissolving system are mixed into pressure air dissolving water, the pressure air dissolving water can release a large amount of micro bubbles only after the pressure reducing and energy dissipating through the releaser 6, the performance of the releaser 8 relates to the micro degree of the bubbles, and the effect of air floatation water purification is directly influenced.
The clear water collecting system is divided into a plurality of clear water collecting pipes 8.
The water inlet end of the clear water collecting pipe 8 is positioned in the separating chamber 7, and the water outlet end of the clear water collecting pipe 8 is positioned in the clear water tank 9. The clear water tank 9 is provided with a clear water outlet.
As shown in figure 3, the inner surface of the clear water collecting pipe 8 is provided with a spiral rib 8-1, the outer surface of the clear water collecting pipe 8 is adhered with a sound insulation layer 8-2, and the outer surface of the sound insulation layer 8-2 is provided with a shock absorption layer 8-3.
The spiral ribs 8-1 are made of hard plastic materials and can elastically bear strong water flow impact. The sound insulation layer 8-2 is filled with gradient sound absorption cotton, the shock absorption layer 8-3 is composed of a plurality of groups of annular synthetic rubber, and the sound insulation layer 8-2, the shock absorption layer 8-3 and the clear water collection pipe 8 are of concentric circle structures.
Water flows through the clear water collecting pipe 8, the spiral ribs 8-1 inside the pipe cavity 2 are distributed in a continuous spiral descending mode with an equal-division interval curve, the contact area of the water flow can be increased, stable and compact water film rotational flow is formed, the descending limit flow rate of the water flow is reduced to some extent, the pressure fluctuation in the noise reduction pipe can be reduced remarkably, and the sound insulation and noise reduction effects are improved to a certain extent.
As shown in FIG. 2, a turbulent flow plate is arranged at the bottom of the contact chamber 5, and gradual grooves gradually changing from the middle to two sides are transversely distributed on the turbulent flow plate. The gradual change groove has increased the circulation of sewage, and sewage passes through gradual change groove evenly distributed in contact chamber 5.
The working process of the utility model is as follows:
the sewage firstly enters a fast and slow mixing tank 2, a coagulant and a flocculant are added into the fast and slow mixing tank 2, the sewage is fully mixed with the coagulant and the flocculant through a stirring device 3, the fast and slow mixing tank 2 is communicated with each other, the internal sewage is uniformly distributed to a left contact chamber 5 and a right contact chamber 5 which are symmetrical, and a compressed air source enters the contact chambers 5 through a releaser 6 to form gas-dissolved water with the sewage and then enters a separation chamber 7 for separation.
The separated scum 24 is positioned on the surface of the separating chamber 7, and the adjusting plate 15 is moved in the size range of the adjusting groove to adjust the distance between the scraper and the driving shaft 13 so as to adapt to different liquid level heights. And after the adjustment is finished, tightening the locking nut to fix the two. The drive speed reducer 11 drives the scraper blade to rotate clockwise through the drive shaft 13, the scraper blade brings scum 24 to the scum groove 18, when scum on the side is taken away, the scum on the other side can be moved, the gentle deslagging process avoids the disturbance of water flow in the separating chamber, the flexible scraper blade 17 generates certain elastic deformation when contacting the scum separating plate 23, and the breaking is avoided due to the transition sloping plate 23-1.
The bottom of the separation chamber 7 is provided with a clear water collecting pipe 8, and clear water collected by the clear water collecting pipe 8 enters a clear water tank 9.
Claims (8)
1. The utility model provides a sewage treatment air supporting unit with adjustable scraper blade which characterized in that: the unit comprises a pool body (1), wherein a fast-slow mixing groove (2) is formed in the left side of the pool body (1), a contact chamber (5) and a separation chamber (7) are formed in the middle of the pool body (1), the fast-slow mixing groove (2) is communicated with the two sides of the contact chamber (5) through a sewage pipeline (4), a releaser (6) is arranged in the contact chamber (5), the releaser (6) is connected with a dissolved air system, one side of the contact chamber (5) is communicated with the separation chamber (7), the bottom of the separation chamber (7) is communicated with a clear water groove (9) through a clear water collecting system, one side of the separation chamber (7) is provided with a scum groove (18), a scum board (23) is arranged between the separation chamber (7) and the scum groove (18), a scum scraping mechanism (10) is arranged above the scum board (23), the scum scraping mechanism (10) comprises a driving shaft (13), and the driving shaft (13) is rotatably installed on the pool body (1) through a bearing, drive shaft (13) are driven by drive arrangement, drive shaft (13) radially install fixed plate (14), fixed plate (14) pass through helicitic texture connection regulating plate (15), set up adjusting bolt on fixed plate (14), it has the adjustment tank to open on regulating plate (15), adjusting bolt passes and connects lock nut behind the adjustment tank, regulating plate (15) opposite side connection scraper blade.
2. The air flotation unit for wastewater treatment with adjustable scraper blade of claim 1, wherein: the driving device is a driving speed reducer (11).
3. The air flotation unit for wastewater treatment with adjustable scraper blade of claim 1, wherein: the scraper blade includes rigidity scraper blade (16) and flexible scraper blade (17), rigidity scraper blade (16) with regulating plate (15) are connected, flexible scraper blade (17) are located the outside.
4. The air flotation unit for wastewater treatment with adjustable scraper blade of claim 3, wherein: the flexible scraper (17) is made of polyurethane material.
5. The air flotation unit for wastewater treatment with adjustable scraper blade of claim 1, wherein: be provided with agitating unit (3) in fast and slow mixing tank (2), agitating unit (3) are including stirring the support, install the speed reducer on the stirring support, the speed reducer passes through shaft coupling (22) and connects connecting axle (19), adjustable (mixing) shaft (20) are established to connecting axle (19) lower part cover, install stirring paddle leaf (21) on adjustable (mixing) shaft (20), adjustable (mixing) shaft (20) with connecting axle (19) are adjusted fixedly through holding screw.
6. The air flotation unit for wastewater treatment with adjustable scraper blade of claim 1, wherein: the upper end of the slag trap (23) is provided with a transition sloping plate (23-1).
7. The air flotation unit for wastewater treatment with adjustable scraper blade of claim 1, wherein: the clear water collecting system is divided into a clear water collecting pipe (8); the inner surface of the clear water collecting pipe (8) is provided with a spiral rib (8-1), the outer surface of the clear water collecting pipe (8) is adhered with a sound insulation layer (8-2), and the outer surface of the sound insulation layer (8-2) is provided with a damping layer (8-3).
8. The air flotation unit for wastewater treatment with adjustable scraper blade of claim 1, wherein: the bottom of the contact chamber (5) is provided with a turbulent flow plate, and the turbulent flow plate is transversely provided with gradual change grooves which gradually change from the middle to two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065103.3U CN212609980U (en) | 2020-06-10 | 2020-06-10 | Sewage treatment air supporting unit with adjustable scraper blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021065103.3U CN212609980U (en) | 2020-06-10 | 2020-06-10 | Sewage treatment air supporting unit with adjustable scraper blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212609980U true CN212609980U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021065103.3U Active CN212609980U (en) | 2020-06-10 | 2020-06-10 | Sewage treatment air supporting unit with adjustable scraper blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212609980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573910A (en) * | 2020-06-10 | 2020-08-25 | 无锡沪东麦斯特环境科技股份有限公司 | Sewage treatment air supporting unit with adjustable scraper blade |
| CN113461094A (en) * | 2021-07-06 | 2021-10-01 | 无锡海拓环保装备科技有限公司 | High-efficient dissolved air flotation device |
-
2020
- 2020-06-10 CN CN202021065103.3U patent/CN212609980U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573910A (en) * | 2020-06-10 | 2020-08-25 | 无锡沪东麦斯特环境科技股份有限公司 | Sewage treatment air supporting unit with adjustable scraper blade |
| CN113461094A (en) * | 2021-07-06 | 2021-10-01 | 无锡海拓环保装备科技有限公司 | High-efficient dissolved air flotation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 214000 Shuofang Industrial Park, Wuxi City, Jiangsu Province Patentee after: Maester Technology (Wuxi) Co.,Ltd. Patentee after: Lu Pengfei Address before: 214142 No.1, Jingfa 8th Road, Shuofang Industrial Park, Xinwu District, Wuxi City, Jiangsu Province Patentee before: HUDONG MASCOT ENVIRONMENTAL ENGINEERING CO.,LTD. Patentee before: Lu Pengfei |
|
| CP03 | Change of name, title or address |